ASM 10.4.3 Ridge (Vented)

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ASM 10.4.3 Ridge (Vented)



Division D - Construction Details


ASM 10.4.3 Ridge (Vented)

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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.

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SBS Details

ASM 10.4.3 Ridge (Vented).jpg

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1 WORK INCLUDED

(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) & (5) Architectural metal roof panel
Top end of panels must be "bread-panned (5).
(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.

2 RELATED WORK BY OTHERS

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

NOTE: See the Standard for additional requirements.


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