0 016 of an inch for copper coated stainless steel.
Prefinished aluminum fashing over roof membrane.
Use aluminum flashing and fasteners in contact with aluminum copper flashing and copper nails with copper roofing gutters etc.
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.
Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.
The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof.
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.
Barrier over flashing flexible membrane flashing over vps vapor barrier sheathing 1 1 2 eifs insulation board 5 8 gypsum board u n o.
Offers over three decades of proven pvc roof system performance with billions of square feet of membrane installed across north america.
Wood blocking site paving slope away from.
See product data sheet.
Pmma based flashing resin available in winter and summer grades.
Lap successive sheets of metal flashing a minimum of 12 inches and seal laps.
Batt insulation 5 8 f r t.
Waterproofing layer of parapro 123 flashing system.
Parapro roof membrane resin white pmma based roof resin available in winter and summer grades.
Peel and stick flashing tape.
Roof systems nrca recommends valley metal be a minimum of 26 gauge for galvanized prefinished galvanized galvalume or stain less steel.
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.
Install an underlayment centered in the roof valley.
Waterproofing layer of parapro roof membrane system.
Install the strainer cap.
For slate roof systems nrca recommends.
0 032 of an inch for aluminum or prefinished aluminum.
Then install a non corrosive metal valley flashing of 24 minimum width.
Or 16 ounces for copper or lead coated copper.
After the roof has been completed open the drain by hammering the soft metal flashing down into the bowl.
See product data sheet.
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.
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.
Fold the soft metal flashing down tight to the bowl to prevent lateral water movement.
