Tiêu chuẩn iso 17738 1 2017

5.2.6 Using the thick es s ipulated b the EIFS man factur er, an the density of the mate ial as pr ovided b the EIFS manufactur er, the r eq ir ed mas of mate ial to be a pled to the tes

Thermal insulation pr oducts —

Part 1:

Produits isola t the miques — Systèmes de finition et d’isolation

COPYRIGHT PROTECTED DOCUMENT

© ISO 2017, P blshed in Sw itz rlan

A ll rig hts r eserved Unles otherw ise spe ified, nopar of this p blc tion ma y be r epr od c d or utilz d otherw ise in an form

or b an me ns, ele tr onic or me hanic l, inclu in p oto opying , or postin on the internet or an intranet , w ithout prior

written permis ion Permis ion c n be req esed from either ISO at the ad r es below or ISO’s member bod y in the c u try of

F reword i v

Introduction v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms and definitions 2

4 Req irements 4

5 Testing 5

6 Mar king, packag ing and labeling 14

A nne x A (normative) Bo d streng th testin (r eferenc e:5.3.3 and 5.4.3) 19

A nne x B (normative) Wate absorptio c oeficient of the LA-WRB (r eferenc e: 5.4.2) 22 A nne x C (normative) Joint durabiity test (referenc e:5.4.5) 27 A nne x D (normative) Nai p pping r esistanc e test (refer enc e: 5.4.6) 33 A nne x E (normative) A sses in durabi ity of EIFS under cyclc envir onmental c onditions (referenc e: 5.5.2) 38 A nne x F (normative)A sses ing drainag e per for manc e of EIFS (referenc e: 5.5.3) 49

A nne x G (informative) Wind load testing (r eferenc e: 5.2.5 and A nnex D) 57

A nne x H (informative)Test specimen pr eparatio for infr ar ed anal ysis 61

Biblog raphy 62

ISO (he Int ernational Org nization for Stan ardization) is a worldwidefede ation of national s an ards

b dies (ISO membe b dies) The work of pr p ring Int ernational Stan ards is normaly car ied out

through ISO t ech ical committ ees Each membe b dy int er st ed in a subje t for w hich a t ech ical

committ ee has be n es a lshed has the right t o be r pr sent ed on that committ ee Int ernational

org nizations, g ove nmental an non-g ove nmental, in laison with ISO, also take part in the work

ISO cola orat es closely with the Int ernational Ele trot ech ical C mmis ion (IEC) on al matt ers of

ele trot ech ical s an ardization

The proc d r s used t o develo this document an those int en ed for it furthe maint enanc ar

desc ibed in the ISO/IEC Dir ctives, Part 1 In p rticular the dife ent a pro al c it eria ne ded for the

dife ent ty es of ISO document should be not ed This document was draft ed in ac ordanc with the

edit orial rules of the ISO/IEC Dir ctives, Part 2 ( e www iso org dir ctives)

A tt ention is drawn t o the p s ibi ity that some of the element of this document ma be the subje t of

p t ent right ISO shal not be held r sponsible for identifying any or al such p t ent right Detais of

any p t ent right identified d ring the develo ment of the document wi be in the Introd ction an / r

on the ISO ls of p t ent de larations r c ived ( e www iso org p t ent )

Any trade name used in this document is information given for the convenienc of use s an does not

cons itut e an en orsement

F or an ex lanation on the v lu tary natur of s an ards, the meaning of ISO spe if ic t erms an

ex r s ions r lat ed t o conformity as es ment, as wel as information a out ISO’ s adhe enc t o the

World Trade Org nization (WTO) principles in the Te hnical Bar ie s t o Trade (TBT) se the folowing

URL: www iso org iso / for word html

This document was pr par d b ISO/TC 1 3, Thermal pe frma c e a d ene g use in the b it

env iro ment, Subcommitt ee SC 3, The mal ins ulatio produc ts

A l s of al p rt in theISO 1 7 8 se ies can be fou d on the ISO websit e

ISO 1 7 8 comprises thr e p rt : this document deals with the mat erial pe formanc of ext erior

insulation an f inish syst ems(EIFS), ISO 1 7 8- 2

Thermal insulation products — Ex terior insulation and

Part 1:

This document outlnes r q ir ment for ext erior insulation an f inish sy st ems (EIFS), used in

combination with a drained air spac as an ext erior wal clad ing sy st em It also outl nes the

r q ir ment for wat er r sis ive b r ie sy st ems that ar t o be used with EIFS

The EIFS w al cla dding system is comprised of lq id -a ppled w ater r sis ive b r ie , an ad esive for

at a chment ofthe the mal insulation b ards to the subs rate, rigid the mal insulation b ards, a glas fibr

r infor ing mesh embed ed in a b se co t on the fa ce of the the mal insulation b ards an a finish co t

The use of me hanical fast ene s is out ide the sco e of this document, but is ac epta le as a complement

an / r as an alt ernat e t o ad esive for at achment w he e the subs rat e wi l not sup ort ad esive

at achment of the EIFS

In EIFS, the the mal insulation b ardssupp rt he b se co t with int egral glas f ibr r infor ing mesh

Syst ems w he e the r infor ement is the sup orting element of the r n e ing, e.g conventional s uc o,

ar not cover d b this document

This document does not purp rt t o ad r s al the health an safety aspe t as ociat ed with it use

Any ne using this document has the r sponsibi ity to consult he a pro riat e authoritiesan t o es a lsh

health an safety practic s, in conju ction with any exis ing a plca le r gulat ory r q ir ment , prior

t o it use

2 Normati ve r eferences

The folowing document ar r fe r d t o in the t ext in such a wa that some or al of their cont ent

cons itut es r q ir ment of this document F or dat ed r fe enc s, only the edition cit ed a ples F or

un at ed r fe enc s, the lat es edition of the r fe enc d document ( inclu ing any amen ment ) a ples

ISO 846, Plas tic s — Ev lu tio o the ac tio o mic ro rg ni s ms

ISO 146 , Metal c a d ox ide c oatin s — Meas ur ment o c oatin thicknes s — Mic rosc opic al meth d

ISO 1 6 :2 0 , Rigid c elular plas tic s — Dete min tio o wate v p ur tra s mi s s ion pro erties

ISO 1 2 , Rigid c elular plas tic s — Dete min tio o tens ile pro erties

ISO 345 -1, Plas tic s — Dete min tio o ash — Part 1: G ene al meth ds

ISO 46 6, Tex tie glas s — Wo en fbric — Dete min tio o tens ile br akin frc e a d elo g tio at br ak

b the s trip meth d

ISO 46 11, Plas tic s — Dete min tion o the efec ts o expos ur to damp hea wate s pra ,a d s alt mi s t

ISO 46 8:2 1 , Paints a d v rni shes — Ev lu tio o degradatio o c oatin s — Des ig atio o q a tit y

a d s i ze o defec ts , a d o intens it y o u ifrm cha ges in a peara c e — Part 4 : As ses s ment o degr e o

c rackin

ISO 48 8, Rigid c elular plas tic s — The mal ins ulatio produc ts fr b idin s — S ec ific atio s

ISO 8 45, The mal ins ulatio — Mine al wo l b ard fr o e deck ins ulatio o ro fs — S ec ific atio

ISO 1 148, Hy rothe mal pe frma c e o b idin materials a d produc ts — Dete min tio o wate

a s orption c oeffic ient b p rtial imme s io

ISO 1 8 1, Do rset a d w indows — Wate -tig tnes s tes t u de dy namic pr s s ur — Cyclo ic as pec ts

ISO 1 474-3, Paint a d v rni shes — Meth ds o ex pos ur to la oratory lg t s ources — Part 3 : Flu r s cent

UVlamps

3 Terms and definitions

F or the purp ses of this document, the t erms an definitions given in ISO 7345 an ISO 9 2 an the

folowing a ply

ISO an IEC maintain t erminolo ical data ases for use in s an ardization at the folowing ad r s es:

— IECEle tro edia: a aia le at ht p:/ www ele tro edia org

— ISO Onlnebrow sing plat orm:a ai a le at ht p:/ www iso org o p

p lymer-b sed co ting, eithe fc tory-blended (3.1 )or field-mixed (3.1 ), a pled dir ctly t o the the mal

ins ulatio b ard (3.2 ), fuly embed ing the r in orc in mesh (3.1 ) pro iding the primary b r ie t o

spac between the WRB an the mal ins ulatio b ard (3.2 ) that alow s for the fr e drainag e of wat er

that penetrat es the EIFS (3 9)

a i ity of a bui ding or any of it comp nent t o pe form it r q ir d fu ctions in it se vic environment

o e a pe iod of time without u for se n cos for maint enanc or r p ir

3.7

EIFS manufacturer

prod c r of the mat erials an component forming a pro rietary EIFS (3 9)

3.8

embed

pr s int o an enca sulat e the r inorc in mesh (3.1 ) in the wet b se c oat (3.2)

3 9

exterior insulatio and finish sy stem

EIFS

non-lo d-bearing wal clad ing sy st em comprised of LA- WRB (3.1 ), an adhes i ve (3.1) for at achment

of the the mal ins ulatio b ard (3.2 ) t o the LA-WRB, rigid the mal insulation b ard, a glas f ibr

r inorc in mesh (3.1 ) embed ed in a b se c oat (3.2) on the fac of the the mal insulation b ard an a

fini sh c oat (3.1 )

3.1

factory-blended

mat erial that ar ives from the man factur r r q iring no ad itions a art from wat er t o prod c the

wet tat e mat erial

p th c eat ed betwe n the WRB an the mal ins ulatio b ard (3.2 ) through the use of the mal

insulation b ard that has a p tt ern cut int o it b ck

fluid mat erial a pled b spra , role or trowel, that dries t o a membrane p s es ing low wat er

a sorption pro e ties be oming a comp nent of thewate r s i s ti ve b r ie sys tem (3.2 )

3.1

manufacturer’s instal atio instructions

writt en ins alation ins ructions pro ided b the EIFS ma uac ture r (3.7) that inclu e information that

wi l as is in the cor e t use an ins alation of the mat erials an comp nent that comprise their sy st em

3.17

reinfor ing mesh

wo en or non-wo en glas f ibr fa ric comp nent of the EIFS (3.9) enca sulat ed in the b se c oat (3.2)t o

s r ngthen the sy st em

3.1

substrate

s ructural comp nent sup orting the EIFS (3 9), w hich is r sis ant t o det erioration ca used b wat er or

is prot ect ed b a wate r s i s ti ve b rrie sys tem (3.2 )

thermal insulatio board

comp nent that u ctionst o r d c heat flow through the wal an se ves as the surfac t o r c ive the

b s e c oat (3.2)

3.22

water absorptio coef icient

mas of wat er a sorbed b a tes t s pec imen (3.2 ) u de spe if ied time and pr s ur , pe u it ar a an

pe sq ar ro t of time

3.23

water resistive bar ie sy stem

WRB

mat erial() p s es ing low wat er a sorption pro e ties that ar a pled o e s ubs trates (3.1 )

susc ptible t o wat er a sorption t o c eat e a contin ous surfac that pr vent wat er penetration int o the

wal as embly

3.24

water retention ratio

weight of wat er r tained in the tes t s pec imen (3.2 ) folowing the drainag e ca acity t es divided b the

proje t ed ar a of wett ed wal

3.25

wrap

prot ect the ex osed edg es of the mal ins ulation b ard (3.2 )b b ck-wra ping or edg e-wra ping

4.1 EIFS c onstituent products

4.1.1 T e constituent pr od cts of EIFS shal me t the te h ical r eq ir ements ls ed in Ta le 1

4.1.2 Rig id c lular plas ic the mal insulation b ar d shal me t the r eq ir ement of ISO 48 8

4.1.3 S mi-rig id mineral fibr e the mal insulation b ar d shal me t the r eq ir ements of ISO 8145

The LA-WRB shal me t the t ech ical r q ir ment lst ed in Ta le 2 Whe e the LA-WRB is not int en ed

b the EIFS man factur r for a plcation t o a wo d subs rat e, the LA-WRB does not ha e t o me t the

r q ir ment for the folowing:

a) joint d ra i ty t est ;

b) nai p p ing r sis anc t es

The ty e of wood subs rat e can ha e an efe t on the ad esion of the LA-WRB t o the subs rat e Given

it natur of man factur , orient ed s ran b ard (OSB) is de med t o r pr sent a wors -case sc nario in

thisr g rd The efor , any LA-WRB that p s es the t es s r q ir d in 5.4, w hen a pl ed t o OSB, shal be

de med suita le for use on plywood

4.3 EIFS

The EIFS shal be t est ed as an as embly as r q ir d in 5.5; the as ociat ed t echnical r q ir ment for

the sy st em ar lst ed in Ta le 3

4.4 Special applcatio s

Spe ial a plcations ma r q ir pro e ties othe than, or in ad ition t o, those spe if ied in this

document These pro e ties, w hen a r ed up n b the int er st ed p rties, ma be ad ed t o the

r q ir ment of this document

5.1 S mplng

Ran om samplng, of a minimum n mbe of mat erial comp nent , as r q ir d t o complet e the ne es ary

t es ing, shal be car ied out b an org nization det ermining compl anc with this document A ran om

sele tion ofmat erials is t o be o tained from the prod ction or main st orag e faci ity for identif ication

befor they ar sent t o the t es ing la orat ory The identif ied samples ar then t o be forwarded dir ctly

t o the t es ing la orat ory

5.2 Preparatio of sample panels

5.2.1 A s a minimum, the folow ing tes sample p nels shal be pr ep r ed

5.2.1.1 One nominal 6 0 mm × 6 0 mm p nel consis ing of2 mm thick the mal insulation b ar d an

b se co t , inclu ing r einfor cing mesh shal be pr ep r ed The b se co t an r einforcing mesh shal be

a pled at the thick es stipulated b the EIFS man factur er, dete mined for the purp se of confirmation

as a mas pe u it ar ea, as pe 5.2.5 This tes sample p nel shal be used for pr ep ration of the tes

spe imens for the folowing tes s:

a) bon s r ngth t es of theb se co t ;

b) base co t wat er impe mea i ity t est ;

c) wat er a sorption of theb se co t t es

5.2.1.2 Five nominal 6 0 mm × 6 0 mm p nels consisting of 2 mm thick the mal insulation b ar d

and b se co t , including r einforcing mesh, an finish co t The edg es of four of the p nels shal be

wrap ed with b se co t , r einfor cing mesh an finish co t T e b se co t shal be alowed to cur e for a

minimum of 24 h prior to a pl cation of the finish co t The b se co t and r einforcing mesh an finish

co t shal be a pled at he thick es esstipulated b the EIFS man factur er, dete mined for the purp se

of confirmation as a mas pe u it ar ea, as pe 5.2.5 This tes sample p nel shal be used for pr ep ration

of the tes spe imens for the folow ing tests:

a) bon s r ngth t es of thefinish co t ;

b) wat er v pour pe meanc of the lamina test ;

c) lamina salt spra r sis anc t est ;

d) lamina ultra iolet r sis anc t est ;

e) EIFSimp ct r sis anc t es (he wra ped p nels)

5.2.1.3 One nominal 6 0 mm × 1 2 0 mm ve tical wo d frame to which is attached 1 mm thick

OSB sheathing me ting the req irement of ISO 1 8 4 an ha ving a wate a sorption coeficient of

(0,0 2 ±0,0 1) kg /m

2

s/

The OSB sheathing shal inclu ea joint with a width of 3,2 mm, as shown in

of the LA-WR B The LA-WRB shal be a pled to the OSB in s rict ac or danc with the man factur er’s

instalation instructions and at the minimum thick es recommen ed b the man factur er, dete mined

for the purp se of confirmation as a weight pe u it area, as pe 5.2.5 This tes sample panel shal be

used for pr ep ration of the tes spe imens for the folowing tests:

a) bon s r ngth t es of theLA-WRB;

b) wat er a sorption coefficient of the LA-WRBt est ;

c) joint d ra i ty t est ;

d) ac ele at ed weathe ing r sis anc t es of the LA-WRB

5.2.1.4 One nominal 6 0 mm × 6 0 mm p nel consis ing of LA-WR B a pl ed to nominaly 1 mm

thick glas mat g ypsum sheathing T e LA-WR B shal be a pled in ac or danc w ith the man factur ers

ins alation ins ructions an at the thick es stipulated b the EIFS manufactur er, dete mined for the

purpose of confirmation as a mas pe u it ar ea, as pe 5.2.5 This tes sample p nel shal be used for

pr ep ration of the tes spe imens to tes the wate v p ur pe meanc of the LA-WR B

5.2.2 T e tes sample p nels shal be pr ep r ed in a ve tical orient at ion to simulate inst alation in

5.2.5 T ea pled mate ial thick es shal be ve ified as a mas pe u it ar ea, asfolows In dete mining

the ar ea of the tes sample p nel, it lnear dimensions shal be measur ed to an ac uracy of 1 mm

5.2.6 Using the thick es s ipulated b the EIFS man factur er, an the density of the mate ial as

pr ovided b the EIFS manufactur er, the r eq ir ed mas of mate ial to be a pled to the tes sample p nel

shal be dete mined as folows:

Mat erial shal be r mo ed from the st orag e containe an a pled uniformly t o the t es sample panel

unti the mas of mat erial r mo ed is eq al t o the mas det ermined The mas of mat erial r mo ed

shal be det ermined b measuring the mas of the r maining mat erial, inclu ing it st orag e containe ,

unti the dife enc betwe n the initial mas an the f inal mas is eq al t o the mas det ermined t o an

ac uracy of 1/ 1 0 of the mas

Car shal be taken in r mo ing mat erial from the st orag e containe and in it a plcation that al

mat erial is a pled t o the t es sample p nel If any mat erial is los ( i.e dro ped befor it r aches the

t es sample panel), it mas shal be det ermined an taken int o conside ation w hen det ermining the

amou t of mat erial a pled t o the t es sample p nel

5.2.7 Tes spe imens, u les othe w ise spe ified in the tes methods, shal be o tained fr om the

conditioned tes sample p nels desc ibed in 5.2.1.1 thr ough 5.2.1.4 Care an caution shal be exer cised

when cutting the tes spe imens fr om the tes sample p nels so that the b n betwe n mate ials is not

afe ted The spe d of the saw blade, the n mbe of te th pe inch an othe cutting v ria les shal be

consider ed in tes spe imen prep r ation in orde to a void exc s vibrations or heat buid-up

2) Un er pr eparation

5.3 EIFS c onstituent mater ial tests

5.3.1 A sh c ontent

5.3.1.1 This tes shal be con ucted only if de med ne es ar y b the testing ag ency as a means of

identification of the tes sample mate ials submited

5.3.1.2 When con ucted, tes spe imens shal be pr ep r ed an the ash content of the b se co t an

finish co t mate ial shal be dete mined in ac ordanc w ith ISO 345 -1 an the results shal be ex pr es ed

as a per centag e of the initial weight of the dry tes spe imen

5.3.2 Infrared anal ysis

5.3.2.1 This tes shal be con ucted only if de med ne es ar y b the testing ag ency as a means of

identification of the tes sample mate ials submited

5.3.2.2 Tes spe imens shal be prep r ed and the a sorption spe trum of the or ganic fraction of the

bin e used in the formulation of the b se co t an finish co t shal be dete mined in ac or danc with

ISO 46 0 and the r esults shal be r ecor ded on a plot of percent transmittanc vs wa veleng th

Tes spe imen pr p ration for infrar d analy sis is pro ided in Annex H

5.3.3 Bond str eng th tests

5.3.3.1 Tes spe imen pr ep r ation an tes ing of the b n s r eng th of the ad esive, b seco t an finish

co t shal be ac or ding to A nnex A

5.3.3.2 The a verag e of the r esult of the b n streng th tes shal be r ep rted in Pa for each state tes ed

(initial, wet an dry)

5.3.4 Wate vapour per me nc e of the lamina

5.3.4.1 Three tes spe imens of a siz suitable for the tes eq ipment to be used shal be cut fr om the

tes sample p nel spe ified in 5.2.1.2 and the lamina car efuly r emo ed fr om the the mal insulation

b ar d The dry thicknes of the lamina shal be measured in at leas five locations on each tes spe imen

and the a verag e thick es r ep rted

5.3.4.2 The wate v p ur pe meanc of the lamina shal be dete mined ac or ding to ISO 16 3 with the

fac co t of the lamina ex posed to the tes chambe

5.3.4.3 The a verag e wate v p ur pe meanc of the lamina shal be r ep rted in ng /(Pa·s·m

2

)

5.3.5 Base c oat wate imperme bi ity test

5.3.5.1 Three tes spe imens measuring 2 0 mm × 20 mm shal be cut fr om the tes sample p nel

desc ibed in 5.2.1.1 The edg es of each tes spe imen shal be sealed with wa or othe suitable v p ur

impe mea le mate ial

NOTE A wa me ting the req irements of ISO 16 3:2 07, 5.8, “ e lant wa ”, would b a suita le material to

use for se ling the edg s of the test specimens

5.3.5.2 Ove a surfac area of 10 mm × 1 0 mm in the c ntr e of the tes spe imens, the the mal

insulation b ar d shal be remo ed, b scraping , down to the b ck of the b se co t Methyl Violet 2B

p wde shal be brushed onto the b ck of the b se co t

5.3.5.3 The tes spe imens, with the co ting s facing downward, shal be plac d in a tan of wate to a

depth of (5 ±0,2 ) mm for at leas 2 h

5.3.5.4 A fte two hours, the ar ea of dampnes on the tes spe imen as dete mined b a colour chang e

in the Methyl Violet 2B p wde shal be r ecor ded as a per centag eof the total ex posed b se co t ar ea A ny

o se v tion of lq id wate shal be r ecor ded

5.3.6 Wate absorption of the base c oat

5.3.6.1 T wo tes spe imens measuring 1 0 mm × 1 0 mm shal be cut fr om the tes sample p nel

desc ibed in 5.2.1.1 an the the mal insulation b ar d shal be detached fr om each of them

5.3.6.2 The tes spe imens shal be dried in a wel-ventilated o en for 24 h at a temperatur e of

(1 5 ± 2) °C A fte co lng at r oom temperatur e for 1 min, the dry weig ht of the tes spe imens shal be

measur ed an reported to the near es 0,0 g

5.3.6.3 Each tes spe imen shal then be imme sed fla 5 mm below the surfac of dis i ed (2 ± 5) °C

wate for a pe iod of 48 h

5.3.6.4 A fte 48h imme sion, the weight of each tes spe imen shal be measur ed to the neares 0,0 g

The wate a sorption shal be dete mined b the incr ease in mas in r elation to the dry weight of the

spe imen ex pr es ed as a percentag e of the dry weig ht of the tes spe imen The a ver ag e per centag e

wate a sorption of thetwo tes spe imens shal be r ep rted

5.3.7 Finish c oat fung us r esistanc e test

5.3.7.1 One tes spe imen shal be pr ep red b a plying finish co t onto a clean 5 mm × 5 mm glas

slde T e finish co t shal be a pled ac or ding to man factur er’s ins alation instructions

5.3.7.2 The fu g us r esis anc tes shal be con ucted ac or ding to ISO 846 The tes spe imen shal be

incub ted for a minimum of 2 d

5.3.7.3 At the en of the tes pe iod, the tes spe imen shal be examined for fu gal g rowth on the

finish co t mate ial an the o se v tions r ecor ded ac or ding to the r eq ir ement of ISO 846

5.3.8 Lamina salt r esistanc e test

5.3.8.1 Thr ee tes spe imens measuring 1 0 mm × 3 0 mm shal be cut fr om the tes sample p nel

desc ibed in 5.2.1.2 The edg es of each tes spe imen shal be sealed with wa

5.3.8.2 The tes spe imens shal be tes ed ac or ding to ISO 461 for 3 0 h

5.3.8.3 The tes spe imens shal be visualy examined w ithout mag nification

5.3.8.4 A ny delete ious efe ts, such as cracking or flaking , shal be r ecor ded

5.3.9 Lamina ultraviolet resistanc e test

5.3.9.1 Thr ee tes spe imens measuring 1 0 mm × 3 0 mm shal be cut fr om the tes sample p nel

desc ibed in 5.2.1.2 The edg es of each tes spe imen shal be sealed with wa

5.3.9.2 The tes spe imens shal be tes ed ac ording to ISO 1 474-3 The xenon ar c devic shal be

used with a b r osi cate in e fite an a b r osi cate oute fite The p ramete s of testing shal be as

folows:

a) 1 2 min t es of l ght ex osur with no wat er spra [black panel t empe atur of (63 ± 2) °C an

(5 % ± 5 % )RH];

b) 1 min of lght ex osur with wat er spra [wat er t empe atur at (1 ± 3)°C];

c) thea ove cycle (A an B) is r peat ed for 1 h;

d) 6h of dark es , no wat er spra [black panel t empe atur of (24 ± 2) °C an ( 95 ± 5) % RH];

e) thea o e cycle (A through D ) r pr sent 24 h or 1 d ex osur The cycle is r peat ed for a t otal of at

leas 1 9 8 h of lght ex osur (2 6 4 h or 1 1d t otal)

5.3.9.3 At the en of the tes ing , the tes spe imens shal be visualy examined without mag nification

5.3.9.4 A ny delete ious efe t , such as cr acking or flaking , shal be r ecor ded

5.3.10 Reinforcing mesh streng th and alkal nity resistanc e

5.3.10.1 A minimum of 2 tes spe imens, each measuring 5 mm wide an 3 0 mm long , shal be

pr ep r ed fr om the lghtes weight of mesh used with a pr oprietary sys em At leas 1 tes spe imens

shal ha ve the long dimension in the direction of the wef and 1 tes spe imens shal ha ve the long

dimension in the dir ection of the warp At leas five of each type of tes spe imen shal be ex posed to an

alkalne solution for 2 d and then alowed to dry for 7 d in ac or danc with ISO 46 6

5.3.10.2 The clamps of the tes ing machine shal be co er ed with a suitable rub e surfac an be

suficiently rig id to r esis deformation during the test The clamps shal hold the whole w idth of the tes

spe imens

The r sult of t es spe imens that lp in the jaw s of the t es ing machine, w hich br ak at the edg e of or

in the jaw s, or w hich t ear in a cascading efe t, shal be discarded The efor , it is r commen ed that

mor than the minimum n mbe of t es spe imens be pr p r d t o ensur five ac epta le t es r sult

ar o tained for each s at e

5.3.10.3 The s r eng th of the r einforcing mesh shal be tes ed ac or ding to ISO 46 6 and the r esult

dete mined in N/mm, for the folowing :

a) f ive t es spe imens in their initial s at e in the weft ;

b) f ive t es spe imens in their initial s at e in the warp;

c) f ive t es spe imens aft er ex osur in the weft ;

d) f ive t es spe imens aft er ex osur in the warp

5.3.10.4 The streng th of each tes spe imen an the a verag e str eng th of the tes spe imens in their

initial state shal be r ep rted in N/mm for b th the wef an warp

5.3.10.5 The s r eng th of each tes spe imen an the a verag e str eng th of the tes spe imens afe

ex posur e to the alkalne solution shal be r ep rted in N/mm for b th the wef and warp

5.3.11 Dr y thicknes of the base c oat

5.3.11.1 F lowing the completion of the testing desc ibed in 5.3.3, 5.3.5 an 5.3.6, six tes spe imens

measuring at leas 5 mm × 5 mm shal be taken fr om r an om sp ts fr om the remaining pie es of the

tes sample p nel desc ibed in 5.2.1.1

5.3.11.2 The dry thick es of the b se co t shal be measur ed in ac or danc with ISO 146 , in thr ee

plac s on each tes spe imen to an ac ur acy of 0,1 mm T e ma imum, minimum and a verag e of the 1

measur ement shal be r eported

5.3.11.3 F lowing the completion of the testing desc ibed in 5.3.3, 5.3.4, 5.3.8 and 5.3.9, six tes

spe imens measuring at leas 5 mm × 5 mm shal be taken from ran om sp t fr om the remaining

pie es of the u w rap ed tes sample p nel desc ibed in 5.2.1.2

5.3.11.4 The dry thick es of the b se co t shal be measur ed in ac or danc with ISO 146 in thr ee

plac s on each tes spe imen to an ac ur acy of 0,1 mm T e ma imum, minimum and a verag e of the 1

measur ement shal be r eported

5.4 LA-WRB tests

5.4.1 A sh c ontent

5.4.1.1 This tes shal be cond cted only if de med ne es ary b the testing ag ency as a means of

identification of the tes sample mate ials submited

5.4.1.2 When con ucted, tes spe imens shal be pr epar ed an the ash content of the LA-WRB mate ial

shal be dete mined in ac or danc with ISO 345 -1 an the results shal beex pr es ed as a per centag e of

the initial weig ht of the dry tes spe imen

5.4.2 Infrar ed anal ysis

5.4.2.1 This tes shal be cond cted only if de med ne es ary b the testing ag ency as a means of

identification of the tes sample mate ials submited

5.4.2.2 When cond cted, tes spe imens shal be pr ep r ed an the a sorption spe trum of the or ganic

fraction of the binde used in the formulation of the LA-WRB shal be dete mined in ac or danc with

ISO 46 0 and the r esult shal be r ecorded on a plot of per centag e transmittanc vs wa veleng th

5.4.3 Bond streng th test of the LA-WRB

5.4.3.1 Tes spe imen pr ep ration an tes ing of the b n s r eng th of the LA-WRB shal be ac or ding

5.4.3.2 The a verag e of the r esults of the b nd s r eng th tests shal bereported in Pa for each s ate tes ed

(initial, wet an dry)

5.4.3.3 The b n s r eng th of the LA-WR B shal me t the minimum r eq irement spe ified in Ta le 2

for each s ate tes ed (initial, wet and dry)

5.4.4 Wate absorption c oeficient of the LA-WRB

5.4.4.1 Tes spe imen prepar ation and testing of the wate a sorption coeficient of the LA-WRB shal

be in ac or danc with the r eq ir ement set forth in A nnex B

5.4.4.2 The wate a sorption coeficient of the LA-WRB shal be rep rted in g /(m ·s ) in ac ordanc

with the pr oc d r es desc ibed in A nnex B

5.4.5 Wate vap ur per me nc e of the LA-WRB

5.4.5.1 F ur tes spe imens, an samples of the substrate mate ial, each measuring 3 5 mm × 3 5mm,

shal be cut r om the tes sample p nel desc ibed in 5.2.1.4

5.4.5.2 The tes spe imens shal be tes ed ac or ding to ISO 1 5 2, Wate Method, Pr oc d r e B, with

the LA-WR B side fac dow n to the tra y

5.4.5.3 The water v p ur pe meanc of t he LA-W R B and t he substr ate material shal be determined

as pe ISO 12 72 in ng (Pa·s·m

2

) The subst r ate material shal be tested in ependent ly fr om t he

co ted sample

5.4.5.4 The wate v p ur pe meanc of the LA-WRB shal be r ep rted as the a verag e difer enc

betwe n the r esult of the subs rate mate ial an the LA-WR B of the four r esult in ng /(Pa·s·m

2

)

5.4.6 Ac c elerated we ther ing resistanc e test of the LA-WRB

5.4.6.1 Three tes spe imens of a siz suita le for the tes a p ratus, but in no case smale than

1 0 mm ×1 0mm, shal be cut fr om the tes sample p nel desc ibed in 5.2.1.3

The t es spe imens shal not inclu e the joint in the OSB or the framing membe s

5.4.6.2 The tes shal be con ucted in ac ordanc with ISO 1 474-3 uti zing a UV -340 lamp an the

folowing cycle:

a) 1 2 min of lght ex osur with no wat er spra [black p nel t empe atur of (6 ± 2) °C an

(5 % ± 5) % RH];

b) 1 min of lght ex osur with wat er spra [wat er t empe atur at (1 ± 3)°C];

c) the a ove cycle (A an B) is r peat ed for 1 h;

d) 6 h of dark es , no wat er spra [black panel t empe atur of (24 ± 2) °C an ( 95 ± 5) % RH];

e) the a o e cycle (A through D ) r pr sent 24 h or 1 d ex osur The cycle is r peat ed for a t otal of

2 2 h of lght ex osur (3 6 h or 14 d t otal)

5.4.6.3 At the en of the tes ing , the tes spe imens shal be visualy examined without mag nification

5.4.6.4 A ny delete ious efe t , such as cracking , delamination or flaking , shal be r ecorded Cracking is

defined using ISO 46 8-4:20 6, Ta le 2, Rating 3(c) or highe

5.4.7 LA-WRB joint d rabiity test

5.4.7.1 The tes spe imens shal be cons ructed an tes ed ac ording to the method outlned in

5.4.7.2 The visual con ition of the tes spe imens afe the cyclng shal be r ep rted if there is any

damag e to the integ rity of any joint inv lving sep r ation that would alow wate to penetr ate in the

mid le 1 0mm of the tes spe imen

5.4.7.3 A ny in ications of mois ure se p g e thr oug h the tes spe imens afe the wate penetration

tes shal be r ep rted

5.4.7.4 A ll tes spe imens u der g oing the wate transmis ion tes shal me t the pe formanc

req irement spe ified in Ta le 2

5.4.8 Nai poppin r esistanc e test

5.4.8.1 The tes spe imens shal be cons ructed an tes ed ac or ding to the method outlned in

5.4.8.2 F lowing the test , the tes spe imen shal be remo ed fr om the tes a p r atus an the condition

of the LA-WRB shal be visualy examined without mag nification

5.4.8.3 A ny aspe t of dete ioration or delete ious efe ts, such as cracking or delamination of the

LA-WR B ar ou d the nai head, shal ber ecorded

5.5 EIFS tests

5.5.1 EIFS impact resistanc e test

5.5.1.1 The four tes sample p nels pr ep r ed as pe 5.2.1.2 w ith their edg es wr ap ed shal be used for

thistest

5.5.1.2 A 0,5 kg s e l imp ctor w ith a 49 mm diamete sphe ical en shal be dr op ed fr om a height

of 0,6 m onto the tes spe imens to imp rt an imp ct ener g y of 3 J T e b l shal be dr op ed a total of

1 times onto two difer ent tes panels( ive times pe tes spe imen, al at diferent locations on the tes

spe imen)

5.5.1.3 A 1,0 kg s e l imp ctor w ith a 6 mm diamete sphe ical en shal be dr op ed fr om a height

of 1,0 m onto the tes spe imens to imp rt an imp ct ener g y of 1 J T e b l shal be dropped a total of

1 times onto two difer ent tes panels( ive times pe tes spe imen, al at diferent locations on the tes

spe imen)

5.5.1.4 F lowing each drop, the tes spe imen shal be visuall y ex mined without magnification for

c racks an per forations, where a c ack is considered an o ening through the finish co t an b se co t which

alows the reinfor ing mesh to be se n an a per foration is c onsidered to be broken r inforcing mesh

5.5.1.5 When impacted at a 3 J ener g y level, a dr op that causes no cr ack in the tes spe imen shal be

consider ed a “ pas ” The n mbe of dr ops that r esult in a “pas ” shal be r ep rted

5.5.1.6 When imp cted at a 1 J ener g y level, a dr op that causes no pe foration in the tes spe imen

shal be consider ed a “pas ” The n mbe of dr ops that r esult in a “ pas ” shal be r ep rted

5.5.2 Durabiity under cyclc envir onmental c onditio s test

5.5.2.1 It is not ne es ary that al the EIFS man factur er’s cons ituent mate ials be tes ed Rathe , the

EIFS cons ituent mate ials used to cons ruct the tes spe imen for this tes shal r epr esent a

“worst-case” sc nario, an al othe constituent mate ials shal be de med to me t thistest , b incorporating the

folow ing into the tes spe imen:

a) theEIFS man factur r’s LA-WRB with the weakes b n s r ngth in the Wet Stat e an the highes

wat er a sorption;

b) the EIFS man factur r’ s adhesive with the weakes b n s r ngth t o both the the mal insulation

bo rd an t o the LA-WRB in the Wet Stat e;

c) the EIFS man factur r’ s b se co t with the highes wat er a sorption coeff icient an the weakes

bon s r ngth in the wet s at e

5.5.2.2 Wher e it is not p s ible to cons ruct one tes spe imen incorporating the “ wors -case”

cons ituent mate ials identified in 5.5.2.1, then additional tes spe imens shal be constructed and tes ed

such that al “ wors -case” prod ct ar e ev luated The “ wors -case” mate ials shal be incorp rated into

the tes spe imens in such combinations that asfew asp s ible tes s ar e cond cted

5.5.2.3 Wher e it is not p s ible to cons ruct one tes spe imen incorporating the “ wors -case”

cons ituent mate ials identified in 5.5.2.1, then additional tes spe imens shal be constructed and tes ed

such that al “ wors -case” prod ct ar e ev luated The “ wors -case” mate ials shal be incorp rated into

the tes spe imens in such combinations that asfew asp s ible tes s ar e cond cted

5.5.2.4 A situation in which the EIFS man factur er has diferent LA-WR Bs an one has the weakes

b n streng th in the wet tate an anothe has the highes wate a sorption would r epr esent a situation

in which it would be ne es ary to cons ruct more than one tes spe imen

5.5.2.5 The tes spe imens shal be cons ructed an tes ed ac ording to A nnex E

5.5.2.6 Up n completion of the C clc E vironmental Testing , the con ition of the tes spe imen shal

be visualy examined without mag nification

5.5.2.7 A ny sig nsof dete ioration, which inclu e the folowing , shal be r eported:

a) bl st ering of thefinish co t or detachment of the f inish co t from the b se co t ;

b) c acking, bl st ering or sa ging of the b se co t or detachment of the b se co t from the the mal

insulation b ard;

c) chang es in colour or t extur of the finish or b se co t ;

d) wat er that pas es through t o the subs rat e

5.5.2.8 The ex tent of visual dete ioration folow ing the cyclc envir onmental testing shal not exc ed

that in icated in Ta le 3 For the purp ses of ev luation in this test , crazing or micr ocracking is not

considered to be dete ioration

NOTE T e Dura ility u der cyclic en ironmental con itions test is con ucted solely t o evaluate the

performance of the EIFS T e substrat e framing an she thing is specif ied simply to provide a stan ard b cking

for the EIFS an is not evaluated in this t est

5.5.3 Drainag e capacity test

5.5.3.1 The tes spe imen shal be cons ructed an tes ed ac ording to the method outlned in A nnex F

NOTE T e drainag e capacity t est is con ucted t o evaluate the performance of the draina e cavity of the

EIFS The ty e of LA-WRB or the substrate used for the test is ir elevant t o the results However, if chang s are

made to the draina e cavity that make the draina e path more restrictive, such as chang es t o the pat ern of

rib ons or the G DC, it wil b neces ary to retest

5.5.3.2 The wate retention ratio shal be r ep rted in g /m

2

5.5.3.3 The max imum wate r etention r atio ofthe sys em shal not exc ed the v lue pr ovided in

5.5.4 Fire r esistanc e testing

Depen ing on the buiding cir ums anc s, such as oc up ncy, buiding height an lmiting dis anc s,

fir t es ing of EIFS is ty ical y r q ir d b authorities ha ing jurisdiction

5.5.5 Mechanical fastener s

Tes ing of EIFS that incorporate me hanical fas ene s is out ide the sco e of this document However,

methods to ev luate the use of me hanical fas ene s, if r q ir d, ar pro ided in ISO 1 73 -3:—,

Annex A

3)

5.6 Reporting requirements

Al r port desc ibing the t es ing of the EIFS in ac ordanc with this document shal inclu e the

folowing information:

a) the identification of prod ct (b name) used in the EIFS, inclu ing the LA-WRB;

b) the name and ad r s of man factur r or sup le ( if a pl ca le);

c) the ad r s of man facturing location;

d) the lot n mbe ;

e) the name and ad r s of samplng ag ency;

f) the dat e an method of sampl ng an ls of sit e()w he e samplng was pe formed, and t es sample

r fe enc n mbe ();

g) a complet e desc iption ofal t es spe imens, inclu ing al man factur d comp nent (man factur r

name, comp nent model n mbe an r lat ed information), mat erials, cons ruction detai s,

a plcation or ins alation ins ructions, r lev nt lt eratur an othe pe tinent information;

h) the dat e of t es sample an t es spe imen pr p ration an detaied t es sample an t es spe imen

pr paration methods;

i) the desc iptions of t es a paratus, calbration s an ards an their sour e();

j) the s art an en dat e( ) of t est (s);

k) the t es proc d r identification;

l) the t es r sult ;

m) a s at ement of compl anc with the r q ir ment of this document shal be pro ided in the form

of a chart, as shown in Ta le 4, inclu ing a r fe enc that the comp nent ar p rt of a syst em an

only me t the r q ir ment of this document w hen used as p rt of a sy st em;

n) the name an location of the la orat ory pe forming the t es s an , if a plca le, the ac r ditation

ag ency for the la orat ory

6 Mar king, packag ing and label ing

6.1 Packag ing

Unles othe wise spe ified, the EIFS comp nent shal be p cked in the man factur r’ s s an ard

p ckag es

3) Un er pr eparation

6.2 L bel ng

Unles othe wise spe if ied, each containe shal be marked with the folowing:

a) man factur r’s name an ad r s ;

b) prod ct’ s name;

c) prod ct desc iption;

d) thes at ement, “ISO 1 7 8-1

e) man factur r’s lot or dat e code identification of the mat erial in the containe

Table 1 — Technical requirements for constituent prod cts of EIFS (r fe enc :4.1.1)

T ere is no pas / fail

c iterion for the water

vapour perme nce of

no liq id water visible

Base co t wat er a sorption 5.3.6 < 0 % av g mas g in

Finish co t fu gus resistance 5.3.7

Strength of reinfor ing mesh

aft er alkaline e posure

T ere is no pas / fail

c it erion for the dry

Table 2— Technical requirements for LA-WRB (r fe enc : 4.1.2)

≥ 5 k a Initial an dry state

Water a sorption co ff icient 5.4.4 an An e B <4,0g/(m

p rposes Test specimen

shal b the ma imum

A bulg in the LA-WRB

at he location of the nail

he d that is not c acked

or delaminat ed do s

not constitute a failure

Table 3 — Tech ical requirements for EIFS (r fe enc : 4.1.3)

5.5.2 an An e E No visible det erioration

Crazing, or mic oc acking,

Draina e capacity t est 5.5.3 an An e F

Wat er retention ratio

<40g m

2

b sed on

projected draina e are

Table 4 — S mple complance report (r fe enc : 4.1.3)

NOTE Ad itional rows can b insert ed as ne ded for ad itionalprod cts or substrates

EIFS CONSTITUENT MATERIAL T STS

to thermal insulation b ard

Bon strength of b se co t

to thermal insulation b ard

Bon strength of f inish co t

to b se co t

Water vapour perme nce

imperme bility test

Water a sorption of the

b se co t

Lamina ultraviolet resistance

test

R einfor ing mesh strength

aft er alkalinity e posure

EIFS SY ST M T STS

Name: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Signatur : _ _ _ _ _ _ _ _ _ _ _ _ _ Dat e: _ _ _ _ _ _ _

Dimension in milimetr es

A nne x A

(normative)

Bond streng th testing (referenc e: 5.3.3 and 5.4.3)

A 1 General

A 1.1 T is tes method ev luates the b nd streng th of thefolowing :

a) theLA-WRB t o a conc et e block or p ving st one;

b) theLA-WRB t o othe subs rat es, as det ermined b the EIFS man factur r;

c) theadhesive t o the LA-WRB;

d) theadhesive t o conc et e block ;

e) theadhesive t o the the mal insulation b ard;

f) theb se co t t o the the mal insulation b ard;

g) thef inish co t t o the b se co t

A 1.2 T is an ex provides information on the pr ep ration of tes spe imens and desc ibes the tes

a p r atus to be used and the pr oc d re to be used

A 2 Summary of test method

A 2.1 T is tes method inv lves the use of a tes a p ratus that g rips o posite sides of the tes

spe imen and a ples a tensie lo d to the tes spe imen at a pr e-dete mined rate of spe d, u ti thetes

spe imen ruptur es T e b n str eng th is then calculated as the br eaking lo d divided b the minimum

cr os -se tional ar ea of the tes spe imen

A 2.2 F r each b nd s r eng th test , a total of 1 tes spe imens shal be tes ed Five tes spe imens

shal be tes ed afe initial con itioning (initial s ate) 1 tes spe imens shal be furthe con itioned b

ex posur e to wate for a pe iod of 48 h Five of those tes spe imens shal be tes ed afe drying for 2 h

(wet s ate) an five shal be tes ed afe drying for 7 d (dry s ate)

A 3 Sig nificance and use

This t es ev luat es the a i ity of the EIFS an LA-WRB t o r sis lat eral lo ds that would be caused b

win or othe for es The t es also conside s the b n s r ngth of the mat erials should they be ome

wett ed an dried in use

A 4 Test apparatus

The t es a p ratus shal be asdesc ibed in ISO 1 2

A 5 Test specimen preparation

A 5.1 T e tes spe imens shal besq ar e or r ectang ular w ith the minimum leng th and width dimension

of each tes spe imen eq al to or g r eate than the thick es of the tes spe imen, but in no case shal a

tes spe imen be les than 5 0 mm × 5 mm in siz The tes spe imen shal not be lar g er than the setting

blocks of the tes ing eq ipment that ar e glued to the tes spe imen

A 5.2 T e folowing tes samples shal be pr ep red:

a) Bon strength of the LA-WRB to co c ete block or paving stone The LA-WRB shal be a pled

on a non-p tt erned conc et e block or p ving st one at leas 40 mm thick, ca a le of withs an ing

thelo ds r q ir d for this t es method;

b) Bon strength of the LA-WRB to other substrates The LA-WRB shal be a pled t o such othe

subs rat es as spe if ied b the EIFS man factur r Each subs rat e shal be ca a le of withs an ing

the lo ds r q ir d for this t es method Whe e the bon s r ngth of the LA-WRB t o OSB is t o be

ev luat ed, t es spe imens shal be cut from the t es sample p nel desc ibed in 5.2.1.3, such t es

spe imenst o ex clu e the framing an joint ;

c) Bon strength of the adhesive to the LA-WRB The LA-WRB shal be a pled t o a subs rat e

ca a le of withs an ing the lo ds r q ir d for this t es method an alowed t o cur as pe the

EIFS man factur r’ s ins alation ins ructions The ad esive shal be a pled t o the LA-WRB at

the thick es s ipulat ed b the EIFS man factur r then co e ed with a the mal insulation b ard

t o pr vent the adhesive from be oming t oo dehydrat ed The the mal insulation b ard shal be

r mo ed aft er the ad esive has be n alowed t o dry;

d) Bon strength of the adhesive to co c ete block The ad esive shal be a pled t o a 40 mm

thick (minimum) non-p tt erned conc et e block or p ving st one, ca a le of withs an ing the lo ds

r q ir d for this t es method and alowed t o cur as pe the EIFS man factur r’ s ins alation

ins ructions The ad esive shal be a pled at the thick es s ipulat ed b theEIFS man factur r then

co e ed with a the mal insulation bo rd t o pr vent the adhesive from be oming t oo dehydrat ed

The the mal insulation b ard shal be r mo ed aft er the adhesive has be n alowed t o dry;

e) Bo d st rength of the adhesive to the t hermal insulat ion board The ad esive shal be a pled to

the the mal insulation b ard at the thick es s ipulated b the EIFS man factur r then co e ed with

a se on ary the mal insulation b ard to pr vent the ad esive from be oming too dehydrated The

se on ary the mal insulation b ard shal be r mo ed aft er the ad esive has be n alowed to dry ;

f) Bon strength of the base coat to the thermal insulatio board Tes spe imens shal be cut

from the t es sample p nels desc ibed in 5.2.1.1;

g) Bon strength of the base coat to the finish coat Tes spe imens shal be cut from the t es

sample p nels desc ibed in 5.2.1.2

A 5.3 F r al tes spe imens, the LA-WR B, b se co t an r einforcing mesh an finish co t shal be

a pled at he thick es s ipulated b the EIFS man facturer, dete mined for the purp se of confirmation

as a mas pe u it ar ea, as pe 5.2.5

A 5.4 F r each b n s r eng th test ,a total of 1 tes spe imens shal be tes ed

A 5.5 T e tes spe imens shal be initialy con itioned for 14 d at (2 ± 2) °C and (5 ± 5) % r elative

h midity (initial s ate)

A 6 Test proc edure

A 6.1 T e b n s r eng th tes s ar e car ied out afe each set of tes spe imens has cur ed an the seting

blocks ar e adhered to each tes spe imen using an ad-hoc ad esive

The ad esive used for t ensie lo d t es ing in A.6.1 shal beat leas as s rong as the r q ir d lo ds s at ed

he ein One mat erial that can be used is ep x

A 6.2 T e tes s shal be con ucted ac or ding to ISO 1 26 The traction spe d, or the rate at which tes

spe imens are plac d u de tensie lo d, shal be 1 mm to 2 mm pe min

A 6.3 F r each b n s r eng th test , five tes spe imens shal be tes ed in the initial state 1 tes

spe imens shal be tes ed afe furthe con itioning as pe A 6.4

A 6.4 A fte initial con itioning , the edg es of ten of the tes spe imens shal besealed w ith a wate pr oof

mate ial to prevent wate a sorption thr ough the edg e of the tes spe imens T e tes spe imens shal

then be imme sed 5mm into wate maintained at a temper atur e of (2 ± 2) °C for at leas 48 h

The wat erpro f mat erial used t o seal the edg es of each t es spe imen in A.6.4 shal ha e sufficient

hydros atic wat er r sis anc t o pr vent wat er ingr s int o the t es spe imens S alant mat erials fou d

t o pe form this fu ction inclu e paraff in wa , neutral cur si cone an ep x

A 6.5 A fte imme sion, five tes spe imens shal be tes ed afe being dried for 2 h at (2 ± 2) °C an

(5 ± 5) % r elative humidity (wet s ate) T eb n s r eng th tes s shal be con ucted within 3 min afe

2 h drying

A 6.6 A fte imme sion, five tes spe imens shal be tes ed afe being dried for 7 d at (2 ± 2) °C an

(5 ± 5) % r elative h midity (dry state) T e b n s r eng th tes s shal be cond cted within 3 min afe

7 d drying

A 6.7 T e b n s r eng th for each tes spe imen shal be calculated b dividing the br eaking lo d in kN

b the orig inal minimum cros -se tional ar ea of the tes spe imen in m

2

The a verag e of the five r esult

for each state (initial, wet an dry) shal be r ep rted The mode of ultimate faiur e shal also ber ep rted

A 7 A sses ment

In ad ition t o the information r q ir d in 5.6, the folowing information shal be r p rt ed:

a) the b n s r ngth ofeach t es spe imen an the calculat ed a e ag e b nd s r ngth for each t es

s at e ( initial, dry, wet);

b) themode of ultimat e fai ur

A nne x B

(normative)

This t es method isint en ed t o identify the wat er r sis anc charact eris ics ofthe LA-WRB t o be used

for pro iding a se on l ne of defenc in conju ction with EIFS The wat er r sis anc of the LA-WRB is

as es ed b measuring the a sorption d e t o wat er-film formation at the surfac and/ r t o s an ing

wat er on the surfac of the b r ie

B.2 Summary of test method

B.2.1 T is tes folows the methodolog y desc ibed in ISO 1 148

B.2.2 T e wate a sor ption character is ic of the LA-WRB is deter mined b submer ging the co ted

sur fac u de 1 0 mm of wate an measur ing the chang es in mas o e time, for a per iod of at leas 7 h

B.3 Sig nificanc e and use

This t es is int en ed as a means of measuring the a sorption of lq id wat er int o the surfac of the

LA-WRB, an t o pro ide an indication of it lq id transport pe formanc should it be ex osed t o

contin ous or driving rain w hi e it is u prot ect ed b EIFS

B.4 Test apparatus

The t es a p ratus shal consis of a wat ertight tan ca a le of holding at leas 1 0 mm of wat er an a

clamp as embly t o hold the t es spe imens of theb tt om of the tank S e Figur B.1for an ex mple of a

suita le t es a p ratus

B.5.1 1 tes spe imens, each measuring 5 0 mm × 5 mm, shal be cut fr om the tes sample p nel

desc ibed in 5.2.1.3 T e tes spe imens shal not inclu e the joint in the sheathing or the fr aming

membe s

B.5.2 T e edg es ofthe tes spe imens shal be atached to the surfac s of a holow column w ith

nominal dimensions of 15 mm × 8 mm × 8 mm, cons ructed of p rticle b ar d glued with ep x y, as pe

pr od ct It is imp rtant to seal the four sides of the tes spe imens w ith impe mea le co ting to pr event

bypas ing of the tes ed co ting

B.5.3 T e tes spe imens shal be con itioned at (23 ± 2) °C an (5 ± 5) % r elative h midity u til

the mas of each tes spe imen has stabi z d to w ithin 0,1 % of its total weig ht when measur ed o e a

24 h pe iod

B.6 Test proc edure

B.6.1 T e tes spe imen shal be weighed to 0,1 % of it weight to dete mine the initial mas , M

i

afe con itioning The tes spe imens shal then be clamped in the tes as embly in such a wa y that the

surfac of each tes spe imen is ex posed to 1 0 mm wate head Car e shal be taken to ensur e that the

tes spe imens ar e kept clear fr om the b tom of the tan an that air bub les ar e not trap ed below the

tes spe imen The wate level shal be kept cons ant d ring the tes at (1 0 ± 2) mm a o e the tes ed

surfac of the tes spe imen( se Fig ure B.1)

B.6.2 A fte 5 min of ex posure to the wate head, r emo e the tes spe imen fr om the tank, dry the

surfac s completely with a p pe towel an weigh the tes spe imen to the near es 0,1 % of it mas

Repeat thisat incr easing time inte v ls such as 2 min, 1 h, 2 h, 4 h and 8 h afe imme sion an then at

times, inclu ing 24 h, 48 h and 7 h to o tain a se ies of mas es M

t

at times t

B.6.3 T e method of calculating the r esult shal depen on the sha e of the r esulting curve, and the

ac uracy of the r esults depen s almos entir ely on the han l ng , drying etc of the tes spe imens, th s,

the calculations and plots shal be done immediately afe the weighing It wil then be p s ible to as es

whethe furthe weighing is ne ded to achieve the req ir ed ac uracy

B.6.4 If the o se ved incr ease in mas is ve y smal afe 24 h, the tes ma y be exten ed o e furthe

da ys to g ive a more pr ecise r esult

B.7.1 C lculate the ar ea (A) of the b se of the tes spe imen in m

2

C lculate the difer enc betwe n the

mas at each weighing (M

t

an the s arting mas (M

i) pe u it ar ea (A), and plot this agains the sq ar e

r oot of the weighing times (√t)

2

B.7.2 T e r esulting g r aph wil fal into one of two types: T ype A or T ype B ( e Fig ures B.3 an B.4) In

b th type of g raphs, the wate a sorption coeficient (A

w)at 7 h shal be used in dete mining the wate

a sorption coeficient

Ty e A — Aft er a short initial pe iod of s a i ization, a s raight l ne can be drawn through the v lues

of m

t

a ains √t Ext end this l ne b ck t o time z ro w he e it cut the ve tical a is at m ′

o The wat er

a sorption coeff icient is then calculat ed from F ormula (B.2):

wshal be calculat ed from

2

·s

½

B.7.3 If the tes spe imen be omes saturated befor e 24 h an the tes can ot be repeated with a thicke

tes spe imen, the time of satur ation should be q oted in the tes r ep rt an no A

w

r ep rted

Figure B.1 — Test ap aratus

Dimension in milimetr es

A nnex C

(normative)

Joint durabi ity test (referenc e: 5.4.5)

This t es method ev luat es the a i ty of the LA-WRB t o sp n c acks an t o maintain it int egrity w hen

subje t t o t empe atur extr mes

C.2 Summary of test method

C.2.1 T is tes method consis s of temperatur e cyclng of the LA-WRB when a pled o e a typical joint

in the OSB substrate that is then s r etched 40 %

C.2.2 Five tes spe imens shal be tes ed

C.3 Sig nificance and use

The buiding s ructur an , the efor , the LA-WRB, can be ex e t ed t o g o through the mal ex ansion

an contraction with chang es in t empe atur o e the course of the year The weakes sp t of the

LA-WRB is at he joint in the subs rat e Thist es pro ides some as uranc that the LA-WRB wi l not ai at

joint w hen subje t ed t o t empe atur chang es

C.4 Test apparatus

The t es a p ratus shal consis of two s ainles st eel C channels, 1 5 mm wide × 3 0 mm long, held

a pro imat ely 2 0 mm a art using four thr aded s ainles st eel rod sp cing bolt , two at each en of

the channels, each se ur d with the use of compr s ion an t ension n t , as shown in Figur s C.1 t o

C.3 Each channel shal ha e 1 ad itional holes dri led through the b tt om t o beused t o se ur the t es

spe imens

C.5 Test specimen

C.5.1 Tes spe imens 1 0 mm wide × 1 0 mm tal (nominaly) shal be cut from the tes sample p nel

desc ibed in 5.2.1.3 such that the joint in the OSB bise t each tes spe imen ( e Fig ur e C.4)

C.5.2 T wo holes shal bedri ed into the to edg e an two in the b t om edg e of each tes spe imen that

has be n cut r om the tes sample panel The holes shal be of suficient diamete to alow the instalation

of 8,0 mm threaded r ods of suficient leng th to penetrate 40 mm into the tes spe imen, as shown in

NOTE T e en ironmental con itions d ring the instal ation of the thre ded rods into the t est specimens

do s not ne d to b control ed; ty ical ro m con itions are ac epta le

C.6 Test proc edure

C.6.1 T e five tes spe imens shal be ins aled into the tes frame with the thr eaded r ods set into the

C.6.2 Onc al five tes spe imens ar e in plac , the sp cing b lt for the tes frame shal be set and the

n t tightened to pr ovide a rig id frame

C.6.3 T e in ivid al tes spe imens shal then be c nter ed in their positions with corrosion r esis ant

n t an washe sin a snug p sition u ti al tes spe imens ha ve be n so arrang ed

C.6.4 Onc al tes spe imens ar e se ur ed, the nut on the tes spe imen r ods shal be tightened fr om

one edg e to cause the tes spe imens to be exten ed The total extension of the tes spe imens shal be

1,3 mm as measured from the end of the r od to the to of the nut b means of which tension is a pled

The ex tension shal be measur ed using cal pe s

NOTE It is as umed that the chang in distance from the tip of the thre ded rod t o the t op of the tightening

b lt represents the e tension at he joint, ignoring compensating strains in the test frame, in the epo y anchored

tightening anchor an in the b d of the test specimens

To achieve gr at er ac uracy in set ing this ext ension, the en s of the t es spe imen thr aded rods

should besha ed t o pr sent a single p int of r fe enc at that en of the rod

Car should be taken d ring tight ening that ex ces ive t orq e is not transmitt ed t o the anchorag eof the

thr aded rodsint o the edg e of the in ivid al t es spe imens Tensioning should be done evenly t o each

rod t o achieve a u iform ext ension for each joint

C.6.5 When al tes spe imens ha ve be n tightened, a final che k on the tightening measurement shal

be made befor e environmental cyclng is beg un

C.6.6 T e tes spe imens in the tes fr ame shal be subje ted to the folowing envir onmental cyclng

without inte ruption

Table C.1 — En iro mental cyclng

C.6.7 To pr event the mal shock, a transition pe iod of 1 h shal be a pled betwe n high an low

temperatur e ex posur es in which the tes spe imens are ex posed to room con itions [(2 ± 5) °C an

(45 ±1 ) % R H]

C.6.8 At the conclusion of the cyclng , the tes spe imens shal be r emo ed fr om the tes frame an

examined

C.6.9 A ny o vious damag e to the integ rity of any joint inv lving sep ration that would alow wate

to penetrate the mid le 1 0 mm of the tes spe imen joint leng th cons itutes faiur e of the tes and no

furthe tes ing is r eq ir ed

C.6.10 T e tes spe imens shal then u der g o a wate penetration test Each tes spe imen shal be

sealed using a wa and p r afin mixtur e to the b t om of a holow plas ic cyln e with an inte ior

diamete of at leas 1 0mm such that the joint sp ns the mid point of the cyln e A 2 mm wate head

shal be intr od c d on the to surfac of the tes spe imen, into the plas ic cylnde The cylnde shal

be raised b a out 2 0 mm a o e a she t of plain kr af pa e plac d u de neath the membrane to aid in

monitoring any p s ag e of wate

C.6.11 T e membrane shal be maintained at constant con itions of temper atur e an relative humidity

(2 ±5)°Cand (45 ± 10) % RH for a pe iod of 2h

C.6.12 At the conclusion of the test , the u de side of the tes spe imensshal be examined for in ications

of moistur e se p g e The kraf pa e shal also be examined for evidenc of se p g e

In ad ition t o the information r q ir d in 5.6, the folowing information shal be r p rt ed:

a) a s at ement as t o the visual con ition of the t es spe imens aft er the cycl ng with r spe t t o any

damag e t o the int egrity of any joint involving sep ration that would alow wat er t o penetrat e in the

mid le 1 0 mm of thet es spe imen joint length;

b) a s at ement as t o the in ications of mois ur se p g e, if any, through the t es spe imens aft er the

wat er penetration t es

Dimension in milimetr es

Key

1 top aluminium C chan el frame

2 b ttom aluminium C chan el fr ame

3 compres ion n t

4 tension n t

Figure C.1 — Cros section of test apparatus