Membrane Roofing

A foam roofing underlayment is provided with a reinforcement membrane having an array of fastener elements for engaging fastener elements on a flexible roof membrane. The underlayment is formed by molding foam between the reinforcement membrane and a carrier membrane. The underlayment in secured to...

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Bibliographische Detailangaben
Hauptverfasser: KINGSFORD HOWARD A, MURRY MICHAEL D, TACHAUER ERNESTO S, KRAUS, JR. DAVID P, SHEPARD WILLIAM H, GARRIGUS PETER C, SLOWIKOWSKI DERRICK
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A foam roofing underlayment is provided with a reinforcement membrane having an array of fastener elements for engaging fastener elements on a flexible roof membrane. The underlayment is formed by molding foam between the reinforcement membrane and a carrier membrane. The underlayment in secured to the roof using washers having fastener elements for engaging the fastener elements of the flexible roof membrane. An anti-peel flap with fastener elements is provided around the periphery of the washers. A slip sheet is used between the underlayment and the flexible roof membrane to permit accurate positioning of the flexible roof membrane prior to engagement of the fastener elements. The interstices between the fastener elements provide lateral moisture paths to vents in the flexible roof membrane.