Asphalt Shingles - Application (Low Slopes)
Asphalt Shingles - Application (Low Slopes)
Applicable to slopes 1:6 (2" in 12") and greater.
1 WORK INCLUDED
(1) Underlayment And 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. (See Section 3.1.5 for a list of accepted eave protection and underlayment.)
(2) Edge Metal Flashing: Optional, 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.
2 RELATED WORK BY OTHERS
(A) Acceptable Deck
NOTE: Refer to RGC Guarantee Standards for additional requirements.
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