Prefinished Aluminum Fashing Over Roof Membrane

Fold the soft metal flashing down tight to the bowl to prevent lateral water movement.

Prefinished aluminum fashing over roof membrane.

Batt insulation 5 8 f r t. Waterproofing layer of parapro roof membrane system. When this is not possible choose a second metal that is not likely to lead to galvanic corrosion or use a physical barrier to separate the two metals. Flashing reglet extend membrane up cmu 8 min roof see plan pre finished break metal counterflashing over membrane roofing termination pre finished metal flashing keyed into cmu concrete masonry unit with vertical joint reinforcing see structural slope tapered insulation cricket continuous p t.

Roof systems nrca recommends valley metal be a minimum of 26 gauge for galvanized prefinished galvanized galvalume or stain less steel. Then install a non corrosive metal valley flashing of 24 minimum width. The third step in the procedure for installing membrane flashing on roof penetrations is to open the drain. Peel and stick flashing tape.

Install an underlayment centered in the roof valley. Lap successive sheets of metal flashing a minimum of 12 inches and seal laps. Use aluminum flashing and fasteners in contact with aluminum copper flashing and copper nails with copper roofing gutters etc. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.

Duro last has been successful since the beginning by providing our customers with unmatched service and expertise in the roofing industry. For slate roof systems nrca recommends. Waterproofing layer of parapro 123 flashing system. Plywood with vps vapor barrier eifs reinforcing mesh eifs finish coat return at end of eifs metal stud framing double up vps vapor barrier over flashing pre finished break metal.

0 032 of an inch for aluminum or prefinished aluminum. The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof. This article describes the selection and installation of peel and stick flashing membranes used on building exteriors to seal housewrap joints and to seal against air or water leaks around windows doors or other openings. Or 16 ounces for copper or lead coated copper.

See product data sheet. Selecting the right underlayments for a lifetime metal roof should be a primary concern for anyone thinking about specifying or choosing to install a metal roof on their home. 0 016 of an inch for copper coated stainless steel. Pmma based flashing resin available in winter and summer grades.

Parapro roof membrane resin white pmma based roof resin available in winter and summer grades. See product data sheet. Barrier over flashing flexible membrane flashing over vps vapor barrier sheathing 1 1 2 eifs insulation board 5 8 gypsum board u n o. After the roof has been completed open the drain by hammering the soft metal flashing down into the bowl.

Selection and installation of peel and stick flashing membranes used on building exteriors.