Architectural · A-9JW2P

Premolded Pipe Flashing

Materials

Concrete Reinforced Concrete Steel Stainless Steel Timber / Wood

Elements

Roofs Decks Waterproofing / Flashing Connections / Plates Reinforcing

Connections

Welded Connection Rebar Splice / Development Deck Attachment

About this detail

A thermoplastic pre-molded pipe flashing installs over a PVC roof membrane and deck penetration. A stainless steel clamping ring secures the top of the boot around the pipe with water cut-off mastic. Fastening plates and mechanical fasteners anchor the base flange to the deck, set between three-quarters of an inch to eight inches minimum from the pipe. A hot-air weld secures the PVC reinforced membrane over the flange, extending a minimum of one and a half inches beyond the fastening plates with cut-edge sealant applied.

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