Asphalt Shingles - Intersection with Waterproofing Roof (Lower)

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

Click on any image to expand it

(1) Underlayment: Required, and installed to overlap the Valley Protection Membrane and the Valley Metal Flashing. Install ‘shingle-style’, following the requirements for side and end laps; use acceptable fasteners, or adhere (if a self-adhering membrane) in keeping with the manufacturer’s published requirements.
(2) Shingles (field)
(3) Field Shingles: Fasteners used to secure shingles must be at least 300 mm (12") above the finished surface of the roof waterproofing system.
(4) Field Membrane: Secure membrane to water-shedding roof deck at least 300 mm (12") above the finished surface of the roof waterproofing (refer to the related Membrane Standards, Part 9 FIELD MEMBRANE and Part 10 PERIMETERS and WALLS).

NOTE: See the Standard for additional requirements.

© RCABC 2024
No reproduction of this material, in whole or in part, is lawful without the expressed permission of the RCABC Guarantee Corp.