A pipe penetration passes through a typical roofing assembly with a minimum eight-inch clearance height. The pipe is wrapped in aluminum tape and sealed with a hot-air welded base flashing secured by roof fasteners. A membrane cap covers the top of the pipe penetration.
ROOFING ASSEMBLY, TYP. HOT-AIR WELDED BASE FLASHING ROOF FASTENER BASE FLASHING, HOT-AIR WELDED ALUMINUM TAPE PIPE PENETRATION MEMBRANE CAP 0'-8" MIN
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