Difference between revisions of "ASM Valley (Unhooked)"

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Difference between revisions of "ASM Valley (Unhooked)"

 
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| colspan="2"  | <big>'''''RoofStar Guarantee Standards''''' are <span style="color:#6495ed">'''blue-linked'''</span></big>
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<big><big>Division D - Construction Details</big></big>
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<big><big><big><big><big>ASM | Valley (Unhooked) ([[ASM_Roof_Systems_Standard#10.3.5.2. General Requirements for Valley Metal Flashing | Article 10.3.2.2.]] and [[ASM_Roof_Systems_Standard#10.3.5.4. Unhooked Metal Valleys | Article 10.3.5.4.]])</big></big></big></big></big>
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<div class="panel-heading"><big>'''ASM Details'''</big></div>
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<div class="panel-heading"><big>'''SBS Details'''</big></div>
 
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[[File:8.1.4.6.1.jpg|class=img-responsive]]
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[[File:ASM 10.3.2 Unhooked Valley Flashing.jpg|class=img-responsive | link=http://rpm.rcabc.org/images/e/e3/ASM_10.3.2_Unhooked_Valley_Flashing.jpg]]
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::Click below for a printable version of this page (N/A)
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:[[File:Pdf.png|100 px|link=http://rpm.rcabc.org/images/5/52/D1.7.6-3_Print_Sheet.pdf|'''Print Sheet''']]
 
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=== WORK INCLUDED ===
 
=== WORK INCLUDED ===
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;(1) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMVALLEYMEM |'''Valley Protection Membrane''']]: Accepted self-adhered modified bituminous eave protection membrane.  
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;(1) [[ASM Roof Systems Standard#8.1.3.2. Valley Protection |'''Valley protection membrane''']]: Accepted self-adhered modified bituminous eave protection membrane.  
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;(2) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMUNDERLAYMENT|'''Underlayment''']]: The type of underlay required is determined by roof slope.  
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;(2) [[ASM Roof Systems Standard#10.1.5.2. Valley Flashing |'''Valley Metal Panel''']]: Preformed with centre rib.
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;(3) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMSLIP|'''Slip Sheet''']]: Recommended over asphaltic underlays and / or as required by metal roof panel manufacturer.
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;(3) [[ASM Roof Systems Standard#9.2.1.5.Clips|'''Metal panel clip''']]: Installed to metal roof panel manufacturer's printed instructions.  
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;(4) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMVALLEYPAN |'''Valley Metal Panel''']]: Preformed with centre rib.
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;(4) [[ASM Roof Systems Standard#10.3.5.2. General Requirements for Valley Metal Flashing |'''Valley panel overlap''']]: Overlaps minimum 200 mm (8") sealed with two rows of acceptable sealant or butyl tape, and secured with drag load fasteners.
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;(5) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMCLIP|'''Metal Panel Clip''']]: Installed to metal roof panel manufacturer's printed instructions.  
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;(5) [[ASM Roof Systems Standard#10.3.5.2. General Requirements for Valley Metal Flashing|'''Membrane flashing''']]: Accepted self-adhered modified bituminous eave protection membrane.
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;(6) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMCLOSURE |'''Pre-formed Closures''']]: Two rows set in accepted caulking.  
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;(6) [[ASM Roof Systems Standard#8.1.3.3. Field Underlayment|'''Underlayment''']]: The type of underlay required is determined by roof slope.  
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;(7) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMPANEL |'''Architectural Metal Roof Panel''']]
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;(7) [[ASM Roof Systems Standard#8.1.3.5. Ventilation Beneath Panels|'''Ventilation beneath panels''']]:  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.
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;(8) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMVALOVERLAP |'''Valley Panel Overlap''']]: Overlaps minimum 200 mm (8") sealed with two rows of accepted caulking and drag load fasteners.
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;(8) [[ASM Roof Systems Standard#10.3.5.4. Unhooked Metal Valleys| '''Sealant or pre-formed closures''']]: Required at the bottom ends of panels.
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;(9) [[ASM Roof Systems Standard#PART_9 |'''Architectural metal roof panel''']]
  
 
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=== RELATED WORK BY OTHERS ===
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=== RELATED WORK BY OTHERS ===
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;(A) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMDECK|'''Acceptable Deck''']]
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;(A) [[ASM Roof Systems Standard#PART_2|'''Acceptable Deck''']]
 
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'''NOTE''': Refer to '''''RoofStar Guarantee Standards''''' for additional requirements.
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'''NOTE''': See the [[ASM Roof Systems Standard | '''Standard''']] for additional requirements.
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Latest revision as of 18:24, 28 June 2022



Division D - Construction Details

ASM | Valley (Unhooked) ( Article 10.3.2.2. and Article 10.3.5.4.)

Notice to Reader
Images used in a Construction Detail are representative and not prescriptive, and are not necessarily drawn to scale. They are intended to support the related Standard (Ref. Division A, Article 2.2.1.2.).

The reader may link to the related Article in the detail title, or link to the Standard as it relates to a specific element in the detail. All hyperlinks are displayed blue text.

SBS Details

ASM 10.3.2 Unhooked Valley Flashing.jpg

Click below for a printable version of this page (N/A)
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 beneath panels
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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