Difference between revisions of "Asphalt Shingles - Application (Low Slopes)"
Difference between revisions of "Asphalt Shingles - Application (Low Slopes)"
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Revision as of 20:54, 7 September 2021
Division D - Construction Details
ASh 9.1.2 Shingle Application (Low Slopes)
| Notice to Reader | |
| Images used in a Construction Detail are representative and not prescriptive. Nor are they necessarily drawn to scale. Rather, they are provided to visually convey the requirements of the Standard they represent. Unless otherwise required by the Standard, dimensions, the selection of materials and their application remains the responsibility of the Design Authority. The full text of the referenced requirements in the Standard may be read by using the blue hyperlinks | |
Asphalt Shingle Details
Applicable to slopes 1:6 (2" in 12") and greater.
1 WORK INCLUDED
- (1) Underlayment & Eave Protection
- One ply of self-adhered modified bituminous underlayment material. Lap 75 mm (3") minimum on sides and 150 mm (6") minimum on ends.
- (2) Edge Metal Flashing
- Required for all eave and rake edges.
- (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 unless expressly permitted by the manufacturer.
- (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 (See 11.3.4 Curbs). Penetration flashings must be installed following the requirements in 11.3.3 Penetrations and Vents. For fire-rated stacks or hot pipe protrusions, strip in secondary metal deck flashing before installing rated stack / pipe flashing.
- (7) Nailing
- See the requirements in Section 3.3 Application.
2 RELATED WORK BY OTHERS
- (A) Acceptable Deck
NOTE: See the Standard for additional requirements.
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