Difference between revisions of "Asphalt Shingles - Valley Intersection with Ridge"
Difference between revisions of "Asphalt Shingles - Valley Intersection with Ridge"
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| − | | colspan="2" | <big>''''' | + | | colspan="2" | <big>'''''Notice to Reader'''''</big> |
| + | |- | ||
| + | | style="color: black; background-color: #ffffcc; width: 100%;text-align:center" | 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''.<br><br>The full text of the referenced requirements in the [[Asphalt Shingle Systems Standard | '''Standard''']] may be read by using the <span style="color:#6495ed">'''blue hyperlinks'''</span> | ||
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=== WORK INCLUDED === | === WORK INCLUDED === | ||
| − | ;(1) [[ | + | ;(1) [[Asphalt Shingle Systems Standard#AShVALLEYMEMBRANE|'''Valley Protection Membrane''']]: Applied beneath the metal valley flashing. |
| − | ;(2) [[ | + | ;(2) [[Asphalt Shingle Systems Standard#AShVALLEYMETAL|'''Valley Metal Flashing''']]: Required for open valleys. |
| − | ;(3) [[ | + | ;(3) [[Asphalt Shingle Systems Standard#AShUNDERLAYMENT|'''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) [[ | + | ;(4) [[Asphalt Shingle Systems Standard#AShVALLEYTRANSITION|'''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) [[ | + | ;(5) [[Asphalt Shingle Systems Standard#AShVALLEYTRANSITION|'''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) [[ | + | ;(6) [[Asphalt Shingle Systems Standard#AShPART9GEN-APPLICATION|'''Shingles (field)''']]: |
| − | ;(7) [[ | + | ;(7) [[Asphalt Shingle Systems Standard#AShRIDGE|'''Shingle Ridge Cap''']]: |
| − | ;(8) [[ | + | ;(8) [[Asphalt Shingle Systems Standard#AShVALLEYTRANSITION|'''Split Ridge Cap Shingle Transition''']]: Required to tie the ridge caps into the adjacent roof field shingles. |
<hr> | <hr> | ||
=== RELATED WORK BY OTHERS === | === RELATED WORK BY OTHERS === | ||
| − | ;(A) [[ | + | ;(A) [[Asphalt Shingle Systems Standard#AShDECKS|'''Acceptable Deck''']] |
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| − | '''NOTE''': | + | '''NOTE''': See the [[Asphalt Shingle Systems Standard | '''Standard''']] for additional requirements. |
<hr> | <hr> | ||
| + | [[Asphalt Shingle System Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''Asphalt Shingle System Details'']] | ||
| − | [[ | + | [[Main Page | <i class="fa fa-home fa"></i> Home]] |
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Revision as of 15:53, 31 August 2021
| 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
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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.
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