GAF Commercial Roofing Products CAD Details Search using keywords: below grade gas retarders
101 SA Vapor Retarder Layout
202 SA Vapor Retarder at Metal Roof Edge
301 SA Vapor Retarder at Parapet Wall Base
327 SA Vapor Retarder at Inside Corner
329 SA Vapor Retarder at Outside Corner
506A SA Vapor Retarder at Pipe Penetration
506B SA Vapor Retarder with Field Wrap at Pipe Penetration
513 SA Vapor Retarder at Drain