A field-fabricated pipe flashing assembly is installed over rigid insulation on a roof deck, utilizing non-reinforced flashing sealed with a reinforcing membrane. The pipe penetration is secured with a stainless steel clamping ring installed per the manufacturer's specifications. Fasteners and fastening plates anchor the membrane assembly into the insulation layer. Sealant is applied at the perimeter edges to maintain a watertight seal.
1 1/2" TO 2" 12" MAX. 1" MIN. (APPX.) 1/2" MIN. 1 1/2" MIN. STAINLESS STEEL CLAMPING RING INSTALL PER MANUFACTURER FASTENER AND FASTENING PLATE INSTALL PER MANUFACTURER NON-REINFORCED FLASHING REINF. MEMBRANE SEALANT RIGID INSULATION
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