Draft CD 8

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Draft CD 8

Revision as of 15:59, 7 October 2020 by James Klassen (talk | contribs) (WORK INCLUDED)
Notice to Reader
Images used in a Construction Detail are representative and not intended in their representation of an assembly to be prescriptive. Nor are they necessarily drawn to scale. Rather, they are provided to visually convey the Standards, Guiding Principles and Recommendations of the RoofStar Guarantee Standards for a Waterproofing or Water-shedding System. Actual design with respect to dimensions, the selection of materials and their application remains the responsibility of the Design Authority.

The full text of applicable RoofStar Guarantee Standards may be read by using the blue hyperlinks
SBS Details

ASM 10.3.2 Unhooked Valley Flashing.jpg

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Print Sheet


1 WORK INCLUDED

(1) Valley protection membrane
Accepted self-adhered modified bituminous eave protection membrane.
(2) Valley Metal Panel
Preformed with centre rib.
(3) Metal panel clip
Installed to metal roof panel manufacturer's printed instructions.
(4) Valley panel overlap
Overlaps minimum 200 mm (8") sealed with two rows of acceptable sealant or butyl tape, and secured with drag load fasteners.
(5) Membrane flashing
Accepted self-adhered modified bituminous eave protection membrane.
(6) Underlayment
The type of underlay required is determined by roof slope.
(7) Ventilation layer
A ventilation space is required on slopes less than 1:3; entangled mesh (shown) may be used as void fill. The ventilation space facilitates drying as condensation forms on the underside of the metal panels.
(8) Sealant or pre-formed closures
Required at the bottom ends of panels.
(9) Architectural metal roof panel

2 RELATED WORK BY OTHERS

(A) Acceptable Deck

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.


RoofStar Guarantee Standards for Architectural Sheet Metal (ASM) Systems

Back to ASM Construction Details