Draft CD 11

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Draft CD 11

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 10.4.3 Ridge (Vented).jpg

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Print Sheet


(1) Underlayment
The type of underlay required is determined by roof slope.
(2) Separation layer
Vapour-permeable layer over insulation, required on all insulated Architectural Sheet Metal Roof Systems. The material must be located between the insulation and metal panels (see 8.1.2 Design).
(3) Architectural metal panel clip
When a ventilation material is specified or required (Item 2), clips must be supported on an EPDM pad (not illustrated) or supported according to the standards in 8.3.3 Separation and Ventilation Layers.
(4) Architectural metal roof panel
(5) Bread-panned panel termination
Must be bent and folded, not cut.
(6) Drag-load fasteners
Compatible non-corrosive fasteners.
(7) Sealant
(8) 'Z' Closure
Set in accepted sealant or butyl tape and secured with compatible non-corrosive flathead fasteners.
(9) Ventilation screen
(10) Ridge cap flashing
Hooked onto ventilation screen.


(A) Acceptable Deck
Installed with ventilation gap at peak.

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.

RoofStar Guarantee Standards for Architectural Sheet Metal (ASM) Systems

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