The roof assembly consists of a vapor retarder or barrier placed over the substrate, supporting rigid tapered insulation and a cover board beneath the roofing membrane. The roofing membrane, cover board, and vapor barrier extend up and over the concrete curb with a continuous hot-air weld and roofing system fasteners applied as required. The curb maintains a minimum height of six inches, with total curb height varying according to field conditions.
ROOFING MEMBRANE COVER BOARD RIGID, TAPERED INSULATION VAPOR RETARDER / BARRIER CONTINUOUS HOT-AIR WELD ROOFING SYSTEM FASTENERS (AS REQ'D) CURB 6" MIN. CURB HEIGHT VARIES RUN ROOFING MEMBRANE, COVER BOARD & VAPOR BARRIER UP AND OVER CURB
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