Difference between revisions of "Asphalt Shingles - Diverter Flashing"

Revision as of 15:09, 18 October 2019

RoofStar Guarantee Standards are blue-linked

Asphalt Shingle Details

(1) Underlayment & Eave Protection: One ply of self-adhered modified bituminous underlayment material. Lap 50 mm (2") minimum on sides and 150 mm (6") minimum on ends. Also refer to the Accepted Materials section of this Manual.
(2) Edge Metal Flashing: Optional (cf. 2.2.9 Wood Deck Overlay Sheathing (Non-Structural) for specific requirements), installed to manufacturer's printed instructions.
(3) Starter Course: Consists of same type shingles used for roof, applied tabs facing up the slope.
(4) Strip or Standard Shingles: Applied as recommended by manufacturer. Laminated shingles are not acceptable for this application.
(5) Compatible Mastic: Heavy bead of compatible asphaltic mastic at rakes (gables) and valleys.
(6) Protrusions: Curbs and skylights must be flashed with underlayment so as to shed water, with minimum 125mm (5") up vertical surfaces and 150 mm (6") lapping onto field surfaces. Vent stack underlayment flashing should fit tight to the vent pipe and be sealed with compatible mastic. For fire-rated stacks or hot pipe protrusions, strip in secondary metal deck flashing before installing rated stack / pipe flashing.
(7) Nailing: Note manufacturer's recommended nailing pattern. Placement varies with manufacturer.

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.

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