Prefinished Aluminum Flashing Over Roof Membrane
C flashing components of factory finished roofing and wall systems.
Prefinished aluminum flashing over roof membrane. Open valleys have metal flashing to protect this critical area of the roof. Membrane wrapped over column base and covered with pre finished metal flashing. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. A manufactured flashing copings roof edge metal and fasciae.
0 032 of an inch for aluminum or prefinished aluminum. Individual sheet metal flashing pieces shall not exceed 3000mm 10 ft in length also see 8 5 2 4. 0 016 of an inch for copper coated stainless steel. The two piece reglet and flashing details are usually fabricated with an 050 1 25 mm reglet head and an 032 0 80 mm flashing.
Membrane adhered to backer unit bonded over plywood to achieve class a fire rating. The top edge of the base flashing need not be hemmed when covered by a cap flashing. Duro last has been successful since the beginning by providing our customers with unmatched service and expertise in the roofing industry. Dennis brings extensive knowledge and experience to cmg gained through various roles within the metal roofing industry.
B membrane base flashings and stripping. For asphalt shingle roof systems nrca recommends valley metal be a minimum of 26 gauge for galvanized prefinished galvanized galvalume or stainless steel. Section 07 51 00 built up bituminous roofing section 07 52 16 modified bituminous membrane roofing. Top quality pre finished steel products for the construction industry.
Or 16 ounces for copper or lead coated copper. Finish setups or minimum quantities may be required. Special colors or finishes are available. Barrier over flashing flexible membrane flashing over vps vapor barrier sheathing 1 1 2 eifs insulation board 5 8 gypsum board u n o.
Class a roof covering assembly c a. Division 07 roofing and wall. Cmg offers over 30 standard color choices in steel and aluminum. Offers over three decades of proven pvc roof system performance with billions of square feet of membrane installed across north america.
Reglets are primarily made from mill aluminum or pre coat kynar 500 aluminum sheet. 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. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. 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.
Exposed sheet metal edges shall be hemmed and shall not be left raw cut with the exception of field fabricated joints found at corners.