Asphalt Shingles - Valley Intersection with Ridge
Asphalt Shingles - Valley Intersection with Ridge
Revision as of 14:27, 30 June 2022 by James Klassen (talk | contribs) (James Klassen moved page Asphalt Shingles Valley Intersection with Ridge to Asphalt Shingles - Valley Intersection with Ridge)
Division D - Construction Details
Asphalt Shingles | Valley Intersection with Ridge ( Article 10.3.5.9.)
| Notice to Reader | |
| Images used in a Construction Detail are representative and not prescriptive, and are not necessarily drawn to scale. They are intended to support the related Standard (Ref. Division A, Article 2.2.1.2.).
The reader may link to the related Article in the detail title, or link to the Standard as it relates to a specific element in the detail. All hyperlinks are displayed blue text. | |
Asphalt Shingle Details
 |
|
 |
|
1 WORK INCLUDED
- (1) Valley Protection Membrane
- Applied beneath the metal valley flashing.
- (2) Valley Metal Flashing
- Required for open valleys.
- (3) 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.
- (4) Lower Membrane Patch
- Required to cover the joint where the ridgeline of one roof joins the sloped plane of another. Cut as illustrated and apply to the slope; the patch must be cut large enough to extend upslope at least 150 mm (6”), but must not exceed the exposure of the ridge cap shingles.
- (5) Upper Membrane Patch
- Required to overlap the Lower Membrane Patch, ‘shingle-style’, by at least 50 mm (2”). Extend the patch upslope past the Metal Valley Flashing at least 150 mm (6”).
- (6) Shingles (field)
- (7) Shingle Ridge Cap
- (8) Split Ridge Cap Shingle Transition
- Required to tie the ridge caps into the adjacent roof field shingles.
2 RELATED WORK BY OTHERS
- (A) Acceptable Deck
NOTE: See the Standard for additional requirements.
Back to Asphalt Shingle System Details
© RCABC 2024
RoofStarTM is a registered Trademark of the RCABC.
No reproduction of this material, in whole or in part, is lawful without the expressed permission of the RCABC Guarantee Corp.