FLASHINGS Sample Clauses
FLASHINGS. 10.8.1 Flashings shall be included in the Roof Warranty and shall be applied by an Applicator approved by the Manufacturer of the roofing material.
10.8.2 In reroofing projects existing metal flashings which are not to be replaced may be exempted from the Warranty.
FLASHINGS. Flashings shall be ultra-violet resistant materials furnished by the membrane manufacturer, except as otherwise specified. Shaped flashing components shall be prefabricated. Sheared edges of metal flashings that will contact the membrane shall be turned into a tight hem.
FLASHINGS. A. Materials for metal flashings and galvanized sheet metal gravel stops are specified in Section 07600.
B. Flashing of roofing shall conform to the following requirements:
1. Apply asphalt primer to vertical wall surfaces, to which the flashing is to be applied, to 4" above top edge of cant strip.
C. Roof Penetrations: Turn back edges of first roofing sheet over succeeding sheets at penetrations through roof to form a dam against flow of asphalt through hole in deck. Place galvanized metal roof jacks on top layer of ▇▇▇▇▇ set in mastic. Seal flanges by layering with 1 (8") strip of ply set in hot asphalt then overlay with a 10" strip of roofing ply set in hot asphalt. Extend capsheet to edge of penetrations and seal with mastic at joint.
D. Ring-Type Drains: Remove ring, clamps and flashing. Thoroughly clean drains and apply flashing compound 1/8 inch thick in ring groove base of outlet. Apply base and ply sheets per specifications, extending all plies BUILT-UP ROOFING SECTION 07500 and moppings over the surface of the drain base (under clamping ring). Metal shall be a minimum 30" square lead (2 1/2 lb. to 4 lb.). Metal flashing shall be primed on both sides and allow to dry prior to embedment in a solid uniform layer of flashing cement metal and flashing cement shall extend over the drain base (under the clamping ring). Apply two stripping plies of felt over the built-up plies and clamping ring with the first ply extending at least 4" beyond the outer edge of the flange. The second ply shall extend beyond the first ply a minimum of 2". Install cap sheet as specified. Set the clamping ring in a solid uniform layer of plastic cement and tighten.
FLASHINGS. A. Base Flashing to Wood Blocking and Masonry 1. Ply Sheets:
a. Fully adhere one (1) ply of specified base flashing completely to flashing substrate, cant, and roofing. Flashing shall extend a minimum of 8 inches above finished roof membrane and to the top of the wood curb where possible.
b. The asphalt shall be heated and applied in accordance with this Section.
FLASHINGS. A. All penetrations shall be at least 2 feet (610 mm) from the curbs, walls, and edges to provide adequate space for proper flashing.
B. Flash all perimeter, curb, and penetration conditions with coated metal, membrane flashing, and flashing accessories as appropriate to the site condition.
FLASHINGS. 0,8 mm thick Chromadek/galvanised flashings at ridge caps, side and head walls, drips, corners, etc, as described elsewhere. The minimum length of an overlap between flashings is 150 mm. Apply two runs of silicone sealant between flashings. Flashings to be stitched together with 25 mm x no. 14 H/H C/S Posidriv or equivalent approved roofing screws with 29 mm diameter x 1,0 mm thick galvanised conical washers at end laps and longitudinally @ 400 c/c maximum at ribs, etc. The Contractor shall take all necessary dimensions and measurements on site prior to manufacturing and installation.
FLASHINGS. Other roofing-related items specified or indicated on the drawings or otherwise necessary to provide a complete weatherproof roofing system.
FLASHINGS. All flashings to eave▇ ▇▇▇ constructed from 3mm thick aluminium.
FLASHINGS. The paint finish shall be epoxy primer of 4-6 microns with a top coat ‘Classicoat Silicone Polyester’ of at least 22 microns and a half coat ‘Classicoat Grey’ to the reverse side (Colour to be approved by Architect). Flashing finish must match and be the same as the roof sheeting it follows.