Architectural · A-2574F

PVC Clad Metal Flashing at Thermoplastic Roof Membrane

Materials

Steel Metal (misc.)

Elements

Walls Roofs Waterproofing / Flashing Insulation

Connections

Welded Connection

About this detail

PVC clad galvanized steel flashing is anchored over an acceptable substrate primed as required, with thermoplastic membrane mechanically attached using approved fasteners and discs spaced twelve inches on center. A thermoplastic feltbacked roofing membrane is adhered over a one-quarter inch barrier board and roof insulation assembly. A membrane flashing strip is hot-air welded and fastened with intermediate rows of grommetted fasteners spaced up to eighteen inches maximum. Galvanized annular ring nails are fastened four inches on center and staggered along the flange, with a six inch minimum overlap at butt-end details.

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