SECTION THERMAL INSULATION

Transcription

1 Pactiv Building Products 2100 RiverEdge Parkway Suite 175 Atlanta, GA Toll Free: (800) Web Site: SECTION THERMAL INSULATION PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section Includes: 1. Foam-Plastic Board Insulation [Extruded Polystyrene, XPS ] B. Related Sections: 1. Division 01, Section Quality Requirements for coordination with Owner s independent testing and inspection agency. 2. Division 01, Section Temporary Facilities and Controls for requirement to schedule work to prevent sunlight and weather exposure of materials beyond limits established by the manufacturer; requirement to protect material from damage after installation and prior to installation of enclosing work. 3. Division 03, Section Cast-In-Place Concrete for insulation installed under concrete slabs. 4. Division 04, Section Insulated Concrete Unit Masonry for insulation installed in cavity walls and on the interior of concrete block and monolithic walls. 5. Division 06, Section Insulating Sheathing for insulation board installed over [Steel] or [Wood] framing members. 6. Division 07, Section Damproofing and Waterproofing for insulation installed over waterproofing membrane materials, such as [Self-Adhering Sheet Waterproofing], [Elastomeric Sheet Waterproofing], Thermoplastic Sheet Waterproofing], [Hot-Fluid Applied Rubberized Asphalt Waterproofing], [Cold Fluid-Applied Waterproofing]. 7. Division 07, Section Board Insulation (Below Grade) for insulation below-grade on perimeter foundation walls and frost-protected shallow foundation walls. 8. Division 07, Section Roof Board Insulation [Protected Roof Membrane Assemblies] for insulation installed over the roof membrane. 9. Division 07, Section Exterior Insulation Finish and Finish Systems (EIFS) for insulation installed in conjunction with EIFS wall systems, such as [Polymer-Based Exterior Insulation and Finish Systems (EIFS)], Water-Drainage Exterior Insulation and Finish Systems (EIFS)]. 10. Division 07, Section Weather Barriers for insulation installed as a water-resistive barrier as the secondary weather barrier behind the exterior siding or cladding. Printed on Recycled Paper

2 11. Division 07, Section Board Product Air Barriers for insulation installed as the primary air barrier in an exterior wall assembly. 12. Division 07, Section Wall Panels for insulation installed behind various types of exterior wall panels such as [Metal], [Wood], [Plastic], [Composite Wall Panels], Fabricated Wall Panels]. 13. Division 07, Section Siding for insulation installed behind various types of siding materials such as [Cement-Fiber], [Vinyl], [Wood]. 14. Dvision 07, Section Membrane Roofing for insulation installed in roof assemblies under roof membranes, such as [Built-Up Bituminous Roofing], [Modified Bituminous Membrane Roofing], [Elastomeric Membrane Roofing], [Thermoplastic Membrane Roofing], [Protected Membrane Roofing]. 15. Division 07, Section Roof Pavers for insulation installed under pavers, such as [Concreete] and [Stone]. 16. Division 07, Section Firestopping for proper firestopping details to be used in conjunction with [Foam-Plastic Insulation Board]. 17. Division 08, Section Curtain Wall and Glazed Assemblies for insulation installed in wall assemblies with [Glazed Aluminum Curtain Walls], [Glazed Bronze Curtain Walls], [Glazed Stainless-Steel Curtain Walls]. 18. Division 09, Section Plaster and Gypsum Board for insulation installed in conjunction with [Cementitious Exterior Coverings (Stucco)]. 1.3 ACTION SUBMITTALS A. Product Data: Submit manufacturer s product data, building code compliance reports or test reports and the manufacturer s published installation guidelines. 1. Submit product literature or a letter from the XPS insulation manufacturer indicating approval of alternative XPS insulation products not manufactured by the primary XPS insulation manufacturer. 2. If a letter is submitted, it must include a statement that materials are compatible with adjacent alternative XPS insulation proposed for use. B. LEED Submittals: 1. Energy and Atmosphere (EA) Credit 1: a. Requirement: 2-10 points depending on the percent reduction in energy use based on ASHRAE/IESNA Standard or local energy codes, whichever is more stringent. b. Insulation Contribution: The long-term thermal resistance (R-value) of XPS insulation board provides reduced energy demand, with the contribution dependent upon the amount of insulation used. 2. Materials and Resources (MR) - Credit 4: For products containing post-consumer and/or pre-consumer recycled content. Provide documentation confirming percentages by weight of post-consumer and/or pre-consumer recycled content. a. Requirement: 1-2 points depending on the amount of post-consumer and/or pre-consumer recycled content. b. Insulation Contribution: The XPS insulation board must contain a minimum of 25% postconsumer and/or pre-consumer recycled content. 3. Materials and Resources (MR) - Credit 5: For finished products manufactured regionally. a. Requirement: 1-2 points depending on the percentage of materials manufactured regionally

3 b. Insulation Conribution: The XPS insulation boards are manufactured within a 500 mile radius of the project. 1.4 INFORMATIONAL SUBMITTALS A. ICC Evaluation Services, Inc. (ICC-ES) Evaluation Report (ESR) confirming compliance with the ICC-ES Acceptance Criteria for Foam Plastic Insulation (AC12). B. FM Approvals listings confirming approved roof system listings. C. National Research Council of Canada (NRC-CNRC) listing confirming compliance with CAN/ULC-S701. D. Underwriters Laboratories, Inc. (UL) listings confirming approved roof system listings. E. Underwriters Laboratories, Inc. Canada (ULC) listing confirming recognition of foam plastic insulation and roof system listings. 1.5 QUALITY ASSURANCE A. Installer Qualifications: The installer shall have experience with installation of XPS insulation board for the application specified. B. Manufacturer: Obtain primary XPS insulation board from a single manufacturer regularly engaged in manufacturing XPS insulation products. Obtain secondary materials from a source acceptable to the primary XPS insulation board manufacturer. C. Accredited Laboratory Testing For XPS Insulation Board: Laboratory accredited by International Accreditation Service Inc. (IAS), American Association for Laboratory Acceditation (A2LA), or the Standards Council of Canada (SCC). D. Preconstruction Meeting: Convene a minimum of two weeks prior to commencing work of this Section. Agenda shall include, at a minimum, review of applicable assembly mock-up drawings, sequence of construction, coordination with substrate preparation, materials approved for use, compatibility of materials, coordination with installation of adjacent and covering materials, and details of construction. Attendance is required by representatives of related trades including covering materials, substrate materials and adjacent materials. E. Assembly Mock-Up: Build a mock-up representative of the primary assembly using approved XPS insulation board, including fasteners, flashing, seam tape and other related auxiliary materials per the XPS insulation manufacturer s installation guidelines. Mock-up shall be approximately 8 feet (2.4 m) long by 8 feet (2.4 m) high and include all components in the assembly. 1.6 DELIVERY, STORAGE, AND HANDLING A. Delivery: Deliver XPS insulation board to the project site in the original packaging, labeled with the manufacturer s information and product name. B. Storage: Store XPS insulation in its original, undamaged packaging or in a clean, dry, protected location and within the temperature range required by the manufacturer. Protect XPS insulation board from physical damage and from deterioration due to exposure to jobsite chemicals and direct exposure to sunlight. moisture, soiling, and other sources. C. Handling: Handle XPS insulation board in accordance with the manufacturer s instructions. PART 2 PRODUCTS 2.1 EXTRUDED POLYSTYRENE (XPS) FOAM-PLASTIC BOARD INSULATION A. Extruded-Polystyrene Board Insulation: ASTM C 578, [Type IV, minimum 25 lbs./ft. 3 (173 kpa) compressive strength and Type VI, minimum 40 lbs./ft. 3 (276 kpa) compressive strength] having maximum flame spread and smoke developed ratings of 75 and 450, respectively when tested in accordance with ASTM E 84/UL

4 1. Basis-of-Design Products: Subject to compliance with requirements, provide Pactiv Building Products; GreenGuard or a comparable product. [provide products by one of the following] [available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following]: a. DiversiFoam Products. b. Dow Chemical. c. Owens Corning. 2.2 AUXILIARY MATERIALS A. Basis-of-Design Products: Subject to compliance with requirements, provide Pactiv Building Products; GreenGuard auxiliary materials when available or a comparable products. 1. Seam Tape: Specify applicable seam tapes based on the XPS insulation manufacturer s installation guide. 2. Self-Adhering Flashing Membrane: Specify applicable self-adhering flashing membranes based on the XPS insulation manufacturer s installation guide recommendations. 3. Fasteners: Specify the applicable fastener(s) based on the XPS insulation manufacturer s installation guide recommendations. (Specifier Note: Fasteners are dependent upon the substrate and framing construction. More than one type of fastener may be required on a single project. Review project assemblies and specify fasteners accordingly.) 4. Adhesives: Specify adhesives that are compatible with XPS insulation board. Consult the insulation manufacturer s installation guide for information regarding compatible adhesives. 5. Sealants: Specify sealants that are compatible with XPS insulation board. Consult the insulation manufacturer s installation guide for information regarding compatible sealants. PART 3 EXECUTION 3.1 PREPARATION A. Verify substrate and surface conditions are in accordance with the XPS insulation manufacturer s installation recommendations. Clean substrates of substances that are harmful to XPS insulation board. Remove or address projections that may impede the attachment of the insulation. B. Protect adjacent work areas and finish surfaces from damage during product installation. C. Install insulation that is undamaged, dry, and unsoiled and that has not been left exposed to ice, rain, or snow at any time. D. Extend insulation to envelop entire area to be insulated. Cut and fit tightly around obstructions and fill voids with insulation. Remove projections that interfere with placement. E. Provide sizes to fit applications indicated and selected from manufacturer s standard thicknesses, widths, and lengths. Apply single layer of insulation units to produce thickness indicated unless multiple layers are otherwise shown or required to make up total thickness. 3.2 INSTALLATION INSTALLATION OF XPS INSULATION BELOW-GRADE, SLAB-ON-GRADE INSULATION A. Place a 6-mil (0.15 mm) polyethylene vapor retarder sheet over graded, smooth dry, well tamped fill. Lap sheet a minimum of 2 in. (50 mm) and extend vertically up the perimeter foundation wall a minimum of 2 in. (50 mm)

5 B. Lay XPS insulation boards over the vapor retarder sheet, cutting to size as necessary. Adjacent insulation boards shall be installed with joints staggered. Subsequent layers of insulation board shall be installed over the lower layer with board joints staggered. C. Use sealant to seal gaps between the insulation board and the perimeter foundation wall. D. Pour concrete over the insulation board and allow to cure sufficiently before applying loads INSTALLATION OF XPS INSULATION BELOW-GRADE, PERIMETER FOUNDATION WALL INSULATION A. Install XPS insulation boards to the exterior side of waterproofed foundation walls using masonry fasteners or an adhesive that is compatible with both the insulation board and the waterproofing membrane. If fasteners are used, penetration points must be adequately sealed using a sealant or selfadhering flashing membrane. B. The joints of adjacent insulation boards shall be staggered. C. Place backfill directly in contact with the XPS insulation board. D. Do not leave XPS insulation boards exposed above grade INSTALLATION OF XPS INSULATION CAVITY WALL XPS INSULATION A. Install XPS insulation board against the masonry wall using an adhesive. Apply the adhesive as recommended by the adhesive manufacturer using the amount and pattern required for the application. Fit the insulation board between masonry ties with board edges butted firmly together, pressing the board into the masonry wall. The joints of adjacent insulation boards shall be staggered INSTALLATION OF XPS INSULATION FOR EXTERIOR FRAMED WALLS A. Install XPS insulation board over walls that have been braced in accordance with local building codes. B. Install XPS insulation boards directly to framing members or install insulation boards over structural sheathing using fasteners as recommended by the insulation manufacturer. Fasteners shall be long enough to penetrate the framing members a minimum of 3/4 inch (19 mm) and shall be spaced 12 inches apart along vertical framing members and around the perimeter. C. If the XPS insulation board is intended to be used as the primary air and/or water-resistive barrier in the wall assembly, then all joints must be sealed using a seam tape and all penetrations must be sealed using a sealant specified by the insulation manufacturer. D. Install siding or exterior cladding in accordance with the applicable manufacturer s installation guide. The fasteners must extend through the foam and into the underlying framing members in accordance with the minimum penetration depth as required in Table R703.4 of the 2009 International Residential Code for the applicable siding material INSTALLATION OF XPS INSULATION IN EXTERIOR INSULATION AND FINISH SYSTEMS (EIFS) A. Before proceeding with installation, contact the EIFS manufacturer to confirm that the XPS insulation board is recognized for use with the specified EIFS. B. Install the XPS insulation board as described in section C. Install the EIFS in accordance with the manufacturer s installation guidelines

6 3.2.6 INSTALLATION OF XPS INSULATION IN CURTAIN WALLS A. Install XPS insulation board in curtain wall assemblies in accordance with the wall panel manufacturer s installation guidelines. B. Hold XPS insulation boards in place by securing metal clips and straps or integral pockets within frames as indicated in the wall panel specifications. C. Install the curtain wall panels in accordance with the manufacturer s installation guidelines INSTALLATION OF XPS INSULATION IN ROOF SYSTEMS Specifier Note: Refer to the Underwriters Laboratories, Inc. (UL) Roofing Materials Guide and the FM Approvals RoofNav for approved roof assemblies that incorporate XPS insulation board. A. Site Verification of Conditions: Verify substrate conditions as follows: 1. Examine the roof deck for suitability to receive XPS insulation board. Verify that the substrate is dry, clean and free of foreign materials that may damage insulation or impede installation. 2. Verify that roof drains, scuppers, roof curbs, nailers, equipment supports, vents and other roof accessories are secured properly and installed in conformance with the Contract Drawings and submittals. 3. Start of installation indicates that the installer accepts the conditions of the roof deck surfaces. 4. Do not proceed with work during inclement weather or install XPS insulation board over wet surfaces. B. Installation of XPS Insulation Board: 1. Install only as much XPS insulation board as can be covered by the roofing materials in the same day. 2. Install the XPS insulation board in accordance with the manufacturer s installation guidelines for attachment, using the applicable fasteners and spacing. 3. Install the roof covering materials in accordance with the manufacturer s installation guidelines and the applicable UL or FM Approvals roof system listings. 3.3 PROTECTION A. Protect installed XPS insulation board from damage due to harmful weather exposures, physical abuse, and other potential causes of damage. Provide temporary coverings or enclosures where insulation is subject to exposure and cannot be concealed and protected by permanent construction immediately after installation. END OF SECTION Printed on Recycled Paper