ASM Membrane Gutter (Design Elements)

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ASM Membrane Gutter (Design Elements)



Division D - Construction Details


ASM | Membrane Gutter (Design Elements) ( Article 11.1.4.3.)

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ASM Details

ASM 12.1.1 Built-in Gutter (Design).jpg

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Print Sheet


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.).
(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. Built-in gutter membranes can be extended to act as eave protection for the adjoining roof system. 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).
(4) Metal cap flashing

2 RELATED WORK BY OTHERS

(A) Acceptable Deck
(B) Dimension
Dimensions of parapets, cants and water loading of gutters are variable and should be determined by design authority

NOTE: See the Standard for additional requirements.


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