** NOTE TO SPECIFIER ** Shildan, Inc.; terracotta rainscreen cladding.. PART 1 GENERAL 1.1 SECTION INCLUDES ** NOTE TO SPECIFIER ** Delete items below not required for project.. 1.2 RELA
Trang 1SECTION 074229
TERRACOTTA RAINSCREEN CLADDING (ALPHATON® M2 System)
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** NOTE TO SPECIFIER ** Shildan, Inc.; terracotta rainscreen cladding
This section is based on the products of Shildan, Inc., which is located at:
2047 Briggs Rd
Mount Laurel, NJ 08054
Phone: 215-525-4512
Fax: 215-525 4511
Web Site: www.shildan.com
Shildan is the leading supplier of terracotta for beautiful and energy-efficient building facades as well as for ceramic sunscreen products From concept to completion Shildan provides engineering and detailing assistance to the architect, accurate budget pricing to the contractors and owners from experienced and trained installers We excel in meeting or exceeding expectation after the order
Leading architects worldwide including Foster, Grimshaw, Piano, KPF, Polshek and many others have used our products for signature buildings because of their timeless beauty and functionality
Shildan, with offices close to New York City, Philadelphia and Los Angeles, is the leading supplier of terracotta facades and ceramic sunscreen products in North America It is the exclusive North American representative of Moeding, the leading terracotta manufacturer worldwide Shildan also has worldwide distribution of ALPHATUBE®, manufactured by Haldenwanger
Trang 2Shildan maintains representatives and a network of expert rainscreen installers throughout North America Working closely with these representatives, Shildan is contributing to the growing movement
of modernism and environmentalism by supplying beautiful clay materials that are durable, energy efficient and code compliant while creating signature buildings worthy of national recognition
Moeding, located outside Munich in Germany, is the leader in supplying terracotta for building facades
in the world In business for over 100 years, Moeding is owned by GIMA, a larger company which produces tiles, pavers and other masonry products GIMA/Moeding is also associated with ERLUS, a public company specializing in terracotta products
PART 1 GENERAL
1.1 SECTION INCLUDES
** NOTE TO SPECIFIER ** Delete items below not required for project
A Terracotta panel rainscreen system including the following:
1 Aluminum clip and sub-girt system
2 Extruded double-leaf (terracotta) clay panels
3 Flashing, weather-seals, cover plates and decorative metal trim
4 Miscellaneous anchors, fasteners, adhesives, insulation, vapor barrier, sealants, and related accessories
1.2 RELATED SECTIONS
** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required
A Section 05020 - Structural Metal Framing
B Section 05400 - Cold Formed Metal Framing
C Section 05500 - Metal Fabrications
Trang 3D Section 06100 - Rough Carpentry.
E Section 07100 - Dampproofing and Waterproofing
F Section 07210 – Building Insulation
G Section 07260 - Vapor Retarders
H Section 07270 - Air Barriers
I Section 07600 - Flashing and Sheet Metal
J Section 07900 - Joint Sealers
K Section 08925 – Glazed Aluminum Curtain Walls and Sloped Glazing
1.3 REFERENCES
** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text
of the edited section
A ASTM International (ASTM):
1 ASTM B 209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
2 ASTM B 221 - Standard Specification for Aluminum and Aluminum Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes
3 ASTM C 484 - Standard Test Method for Thermal Shock Resistance of Glazed Ceramic Tile
4 ASTM C 1167 - Standard Specification for Clay Roof Tiles
Trang 45 ASTM E 283 – Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Speciment
6 ASTM E 331 – Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference
7 ASTM E 547 – Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Cyclic Static Air Pressure Difference
8 ASTM E 782 - Standard Practice for Exposure of Cover Materials for Solar Collectors
to Natural Weathering Under Conditions Simulating Operational Mode
9 ASTM E 1105 - Standard Test Method for Field Determination of Water Penetration
of Installed Exterior Windows, Skylights, Doors, and Curtain Walls, by Uniform or Cyclic Static Air Pressure Difference
B National Association of Architectural Metal Manufacturers (NAAMM): Metal Finishes Manual for Architectural and Metal Products
C Florida Building Code (FBC):
1 TAS 202 – Uniform Structural Load Standards
2 TAS 203 – Uniform Cyclic Pressure Test Standards
1.4 SUBMITTALS
A Submit under provisions of Section 01300
B Product Data: Manufacturer's data sheets on each product to be used, including:
1 Preparation instructions and recommendations
2 Storage and handling requirements and recommendations
3 Cleaning methods
** NOTE TO SPECIFIER ** Delete if not required
C LEED Submittals:
Trang 51 Product Data for Credit 4: For products having recycled content, documentation indicating percentages by weight of postconsumer and preconsumer recycled content Include statement indicating cost for each product having recycled content
2 Regional Materials Credit MR 5: Product data for regional materials indicating location and distance from Project of material manufacturer and point of extraction, harvest, or recovery for each raw material Include statement indicating cost for each regional material and the weight that is considered regional
D Shop Drawings: Complete shop drawings shall be submitted for approval prior to
fabrication, with detailed elevations and sections of each condition and application; including metal thickness, finish, methods of installation, anchorage and expansion joints, width, bow, camber, squareness tolerances necessary to accommodate thermal movement and relationship with adjacent construction
E Engineering Calculations:
1 Submit calculations for design of exterior wall system, including deflections, in place stresses, negative pull-off loads and capacity of fasteners
2 Calculations shall be signed and sealed by a Professional Engineer registered in the location of the Project
** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected
F Selection Samples:
1 Colors and Finishes: Two sets of samples, minimum 8 inches (200 mm) x 4 inches (100 mm), representing manufacturer's full range of available colors and finishes
G Verification Samples:
1 Color and Finish: Two sets of samples, minimum 8 inches (200 mm) x 4 inches (100 mm), representing actual products and finishes specified
2 System Components: Two sets of profile samples, minimum 12 inches (300 mm) long
1.5 PERFORMANCE REQUIREMENTS
Trang 6A Description: Provide a complete, pre-engineered aluminum clip and sub-girt system, closure pieces, trim and flashing The system is to be composed of double-leaf terracotta panels, which can only be removed on purpose, panels hung on aluminum clips at head grooves and base channels and fastened to vertical aluminum frame The vertical sub-frame is attached to horizontal aluminum “L” profile, which are attached with aluminum clip angles to the structural back-up wall system
B Design Criteria:
1 Condensation: System shall accommodate positive drainage for moisture entering or condensation occurring within the terracotta rainscreen panel system
2 Design system to allow for movements within structure, support loads transferred from the adjacent construction and to fit within the space allotted without projections into the finished space as shown on the Drawings
3 The system is to have a continuous aluminum spacer between each two panels which will have the following functions:
a Keep the uniformed joint dimension and align the panels
b Prevent the panel from rattling
c Integral drainage to direct condensation and minimize water infiltration within the Rainscreen cavity
1.6 QUALITY ASSURANCE
A Manufacturer’s Qualifications:
1 Manufacturer shall have 10 years’ experience manufacturing 30mm thick double-leaf terracotta panels and vertical support system
2 Terracotta panels and vertical support system are to be provided by the same manufacturer
3 Manufacturer must have provided 30mm thick double leaf terracotta for over 100 projects totaling at least 500,000 sq ft
4 Prior to approval as an acceptable supplier, Manufacturer shall demonstrate the capability of producing the patinated finish by listing ten completed projects in the United States with the patinated finish
B Qualifications of Installers:
Trang 71 The cladding installer shall be approved by the manufacturer of the terracotta rainscreen system
2 The installer will have experience with 100,000 sq ft of rainscreen installation and 20,000 sq ft of terracotta rainscreen installation
3 For actual installation of cladding, use only competent and skilled mechanics completely familiar with the products and the manufacturer’s currently recommended methods of installation
C Source Responsibility:
1 The rainscreen system, including the terracotta panels, aluminum sub-structure, and support system, shall be manufactured by the same company
2 The entire terracotta rainscreen system, with all its components,and the patinated
finish will have been used at least 10 years and in more than 30 projects
D Performance Test Standards:
1 Provide exterior wall system which has been tested and certified by manufacturer
to provide specified resistance to air and water infiltration when installed as indicated and when tested in accordance with AAMA 508-07, “Methods of Test for Pressure Equalized Rainscreen Wall Cladding Systems.”
** NOTE TO SPECIFIER ** Delete if not required
1.7 PRECONSTRUCTION TESTING OF TERRA-COTTA PANELS
A Absorption: Test according to ASTM C 1167 using 24 hour submersion (separate sets of specimens, minimum 5 specimens each) Absorption by submersion shall not be less than 4 percent or exceed 7 percent average and 8 percent individual specimen
B Freezing and Thawing: Test according to ASTM C 1167 for 100 cycles requiring minimum of
50 days minimum 5 specimens) No specimen shall lose more than 3 percent of its original dry weight No specimen shall crack, crumble or fracture Specimens shall conform to approved color range samples before and after testing
C Modulus of Rupture: Test according to modified ASTM C 1167 67 (minimum 5 specimens) Supports shall be actual hardware used for this project Apply load at mid-span between
Trang 8supports Report shall include breaking load, calculated section modules at mid-span, and calculated breaking stress
D Separate sets of specimens are required to be tested for each combination of color and texture For a given color and texture combination, the most common size panel for the project shall be tested, except for breaking load, where panel size corresponding to
maximum span shall be tested If multiple widths occur to maximum span, test width shall
be selected by Architect
E Thermal Shock Resistance: Test according to ASTM C 484 for glazed panels Minimum of 5 specimens Specimens shall pass one cycle
** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution The following is one example of how a mock-up on a large project might be specified When deciding on the extent of the mock-up, consider all the major different types of work on the project
F Mock-Up: Provide a completely assembled, typical wall areas installed with related
accessories, in composite configurations designed to fulfill the performance criteria, and representative of the design as shown on the Drawings
1 Extent of mock-up shall be the same as that which will be provided in the final work
2 Mock-up shall be installed simulating actual construction conditions, including actual structural supports and connections Use means, methods and techniques proposed for final installation
3 Locate mock-up in location as directed by the Architect
4 Do not proceed with remaining work until workmanship is approved by Architect
5 Personnel assembling mock-up shall be the same personnel that will perform the actual final units of work at the project site
6 Mock-up shall be subjected to testing criteria specified for final installation
** NOTE TO SPECIFIER ** Delete one of the two following options
7 Mock-up area may become part of finished work
8 Mock-up area may not become part of finished work
1.8 DELIVERY, STORAGE, AND HANDLING
Trang 9A Deliver, store and handle materials and products in strict compliance with manufacturer's instructions and recommendations and industry standards
B Store materials in manufacturer's original sealed, labeled packaging until ready for
installation and in accordance with manufacturer's instructions Protect from damage
1.9 SEQUENCING AND SCHEDULING
A Pre-Installation Conference: Convene conference prior to start of cladding work, and at Contractor’s direction to review installation procedures and to establish procedures to maintain optimum working conditions and to coordinate this work with related and
adjacent work Meeting shall include Contractor, Architect, major material manufacturers, and subcontractors whose work needs coordination with cladding work
1.10 WARRANTY
A Manufacturer's Warranty: Provide manufacturer’s standard 10 year limited warranty against defects in materials
B Installer’s Warranty: Provide Installer’s 2 year installation warranty that exterior wall system will remain weathertight during the warranty period and that if a leak occurs, that the system will be repaired or replaced as required to render the system weathertight, at no cost to the Owner The installation warranty shall cover labor and materials
PART 2 PRODUCTS
2.1 MANUFACTURERS
A Basis of design is Shildan, Inc./ Moeding Keramikfassaden GmbH, Germany 30mm double-leaf terracotta panels c/o 2047 Briggs Road, Mount Laurel, NJ 08054 (215-525-4510)
Trang 10** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions
B Substitutions: Not permitted
C Requests for substitutions will be considered in accordance with provisions of Section 01600
** NOTE TO SPECIFIER ** Moeding invented the double leaf terracotta panel for building facades and its unique aluminum clip and attachment system Moeding has been awarded over 40 patents for its panel and support system which are in place on over 3000 buildings around the world Some of these projects have been in place since 1982 in locations with climates as demanding as Scandinavia, Iceland, Moscow and the Middle East Moeding produces the highest quality panel in terms of water absorption, strength and flatness With the longest and newest kiln in the world, Moeding can provide the largest panels in
an energy efficient and economical process Moeding not only invented the system but has
continuously innovated and improved the terracotta panel and system by investing in the latest
technology Those are the reasons Moeding is the industry leader today
2.2 TERRACOTTA CLAY PANEL RAINSCREEN SYSTEMS
** NOTE TO SPECIFIER ** Delete if not required
A Exterior Wall Systems: ALPHATON® Terracotta Rainscreen Cladding as manufactured by Shildan, Inc
1 Construction: Double leaf clay (terra-cotta) panel shapes
2 Panel Thickness: 1-3/8 inch (30 mm) thickness
3 Size and Configuration: As indicated on the Drawings
** NOTE TO SPECIFIER ** Delete options for panel type not required
4 Panel Type: Standard
5 Panel Type: Ribbed
6 Panel Type: Deep Grooved
7 Panel Type: Waved
8 Panel Type: Grooved
9 Panel Type: Custom
** NOTE TO SPECIFIER ** Confirm with manufacturer that desired color is available with desired finish Delete options for finish not required