A pipe penetration flashing assembly at a roof deck features a pipe passing through a plywood deck supported by a pipe support and a metal base plate sized per structural drawings. A flashing membrane is adhered across the deck and up the penetration curb, with grout and pourable sealer filling the collar. A 24 gauge galvanized iron hood sits over the penetration with an eight inch minimum height. Notes specify that if a split lead sleeve is necessary, a continuous lead solder is required, and the installation must follow the JM TPO 60 mil mechanically fastened installation guide and specification.
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