【国外标准】 Standard Practice for Application of Adhered Poly(Vinyl Chloride) Sheet Roofing (Withdrawn 2012)

This practice covers the minimum requirements for the application of adhered poly(vinyl chloride) roofing. For the purpose of this installation practice, the structure and deck are assumed to be mechanically sound, able to accept the weight of the membrane and other roofing system materials, comply with local building codes, and other roofing requirements. The insulation layer(s) and vapor retarder, if specified, are assumed to be in place, secured, and acceptable for use with the membrane and bonding adhesive. Requirements for storage and handling of materials, safety hazards, and weather conditions for installation are given. The materials such as poly(vinyl chloride) sheet roofing, bonding adhesive, and lap seam sealant are defined. The procedures for (1) substrate preparation, (2) installation including application using solvent-based bonding adhesive, application using water-based bonding adhesive, and application using Type III asphalt as adhesive, and (3) hot air welding of lap areas are detailed.1.1 This practice covers the minimum requirements for the installation of adhered poly(vinyl chloride) roofing.1.2 For the purpose of this application practice, the structure and deck are assumed to be mechanically sound, able to accept the weight of the membrane and other roofing system materials, comply with local building codes, and other roofing requirements. The insulation layer(s) and vapor retarder, if specified, are assumed to be in place, secured, and acceptable for use with the membrane and bonding adhesive.1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 5.