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SECTION 07191 <br /> VAPOR RETARDERS <br /> PART 1 GENERAL <br /> 1.1 SECTION INCLUDES <br /> A. Sheet and sealant materials for controlling vapor diffusion. <br /> 1.2 RELATED SECTIONS <br /> A. Section 07213 -Batt Insulation <br /> B. Section 07900 - Joint Sealers: Sealants. <br /> C. Section 08112 - Standard Steel Frames <br />� 1.3 REFERENCES . <br /> A. ASTM A361 - Steel Sheet, Zinc-Coated (Galvamzed) by the Hot-Dip Process for <br /> Roofing and Siding. <br /> -� B. ASTM C920 -Elastomeric Joint Sealants. <br /> C. ASTM D491 - Asphalt Mastic Used on Dampproofing <br /> ' D. ASTM C804 -Recommended Practice for Use of Solvent Release Type Sealant. <br />�_� 6 -Test Methods for Water Vapor Transmission of Materials. <br /> E. ASTM E9 <br /> F. SWRI (Sealant, Waterproofing and Restoration Institute) - Sealant and Caulkmg <br /> �' Guide Specification. <br /> �;.� <br /> 1.4 DEFII�IITION <br />� A. Vapor Retarder: A material or assembly of materials that resists water vapor <br /> diffusion through it. <br />�y� 1.5 SYSTEM DESCRIPTION <br /> A. Materials and installation methods to provide continuity of vapor retarder: <br /> 1. To seal gaps between enclosure components and opening frames. <br /> 1.6 QUALITY AS SURANCE <br /> . e orm or in - <br /> Specification requirements for materials and installation. <br /> 1.7 SEQUENCING <br /> j; A. Sequence work under the provisions of Section 01010. <br /> B. Sequence Work to permit installation of materials in conjunction with other <br /> � retardant materials and seals. <br /> � C. Do not install vapor retarder until items penetrating it are in place. <br />� � <br /> "ti=� Division 7—Section 07191 <br /> Page 1 of 2 <br />� <br />