Difference between revisions of "ASM Valley (Unhooked)"
Difference between revisions of "ASM Valley (Unhooked)"
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| + | <big><big>Division D - Construction Details</big></big> | ||
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| + | <big><big><big><big><bigASM 10.3.2 Unhooked Valley Flashing</big></big></big></big></big> | ||
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Revision as of 20:36, 7 September 2021
Division D - Construction Details
<bigASM 10.3.2 Unhooked Valley Flashing
| Notice to Reader | |
| 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. The full text of the referenced requirements in the Standard may be read by using the blue hyperlinks | |
SBS Details
- Click below for a printable version of this page (N/A)
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: See the Standard for additional requirements.
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