Asphalt Shingles - Membrane Gutter (Design Elements)
Asphalt Shingles - Membrane Gutter (Design Elements)
Revision as of 14:32, 30 June 2022 by James Klassen (talk | contribs) (James Klassen moved page ASh 12.2.1 Built-in Gutter (Design) to Asphalt Shingles - Membrane Gutter (Design Elements))
Division D - Construction Details
Asphalt Shingles | Membrane Gutter (Design Elements) ( Article 11.3.3.8.)
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ASM Details
1 WORK INCLUDED
- (1) Membranes
- Membranes must be installed to RoofStar Guarantee Standards and the manufacturer's printed instructions (NOTE: Fasteners shall be installed 4” or more above the maximum water line, and gutters must include a scupper overflow drain.). Also refer to 9 Built-in Gutters in the RoofStar Guarantee Standards for ASM Roof Systems.
- (2) Adhesion
- Membranes must be fully adhered, where exposed, and mechanically fastened at terminations 300 mm (12") o/c
- (3) Height
- The minimum vertical sealed height above the maximum water level is 150 mm (6"). The membrane run up the slope will vary with roof pitch. Increase height in heavy snow regions.
- (4) Eave Protection and Underlay
- Built-in gutter membranes can be extended to act as an eave protection membrane. Underlay or eave protection membrane must overlap built-in gutter membrane by a minimum of 200 mm (8") and be installed in shingle fashion (not shown for clarity).
2 RELATED WORK BY OTHERS
- (A) Dimension
- Dimensions of parapets, cants and water loading of gutters are variable and should be determined by design authority
- (B) Acceptable Deck
NOTE: See the Standard for additional requirements.
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