Difference between revisions of "ASM Valley (Hooked)"

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Difference between revisions of "ASM Valley (Hooked)"

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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 (Hooked) ([[ASM_Roof_Systems_Standard#10.3.5.2. General Requirements for Valley Metal Flashing | Article 10.3.2.2.]] and [[ASM_Roof_Systems_Standard#10.3.5.3. Hooked Metal Valleys | Article 10.3.5.3.]])</big></big></big></big></big>
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<div class="panel-heading"><big>'''ASM Details'''</big></div>
 
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[[File:ASM 10.11.jpg|class=img-responsive]]
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[[File:ASM 10.3.1 Hooked Valley Flashing.jpg|class=img-responsive | link=http://rpm.rcabc.org/images/b/bb/ASM_10.3.1_Hooked_Valley_Flashing.jpg]]
 
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::Click below for a printable version of this page.
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:[[File:ASM 10.3.1 Thumb for PDF.jpg|100 px|link=http://rpm.rcabc.org/images/6/6a/ASM_10.3.1_Hooked_Valley_Flashing.pdf|'''Print Sheet''']]
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=== WORK INCLUDED ===
 
=== WORK INCLUDED ===
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;(1) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMPANEL |'''Architectural Metal Roof Panel''']]  
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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#ASMVALOVERLAP |'''Valley Panel Overlap''']]: Set in two continuous rows of accepted caulking or sealant tape.
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;(2) [[ASM Roof Systems Standard#10.1.5.2. Valley Flashing |'''Valley flashing''']]
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;(3) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMSLIP|'''Ventilation Layer''']]: Recommended over asphaltic underlays and / or as required by metal roof panel manufacturer.
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;(3) [[ASM Roof Systems Standard#10.3.5.2. General Requirements for Valley Metal Flashing |'''Fastening''']]: Metal valley panels to be secured with compatible, non-corrosive, flat head fasteners 200 mm (8") o/c. Metal roof panel to metal valley panel overlap must be a minimum of 125 mm (5"). See '''10.3.5.2.2''' ('''5''').
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;(4) [[RoofStar Guarantee Standards for ASM Roof Assemblies#ASMUNDERLAYMENT|'''Underlayment''']]: The type of underlay required is determined by roof slope.  
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;(4) [[ASM Roof Systems Standard#10.3.5.3. Hooked Metal Valleys |'''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#ASMICE|'''Membrane Strip-in''']]: Accepted self-adhered modified bituminous eave protection membrane.  
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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) '''Continuous Built-In Hook Strip'''
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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#ASMFASTENING |'''Fastening''']]: Metal valley panels to be secured with compatible, non-corrosive, flat head fasteners 200 mm (8") o/c. Metal roof panel to metal valley panel overlap must be a minimum of 125 mm (5").  
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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#ASMVALLEYMEM |'''Valley Protection Membrane''']]: Accepted self-adhered modified bituminous eave protection membrane.
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;(8) [[ASM Roof Systems Standard#PART_9 |'''Architectural metal roof panel''']]
  
 
=== RELATED WORK BY OTHERS ===
 
=== 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 (Hooked) ( Article 10.3.2.2. and Article 10.3.5.3.)

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.

ASM Details

ASM 10.3.1 Hooked 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 flashing
(3) Fastening
Metal valley panels to be secured with compatible, non-corrosive, flat head fasteners 200 mm (8") o/c. Metal roof panel to metal valley panel overlap must be a minimum of 125 mm (5"). See 10.3.5.2.2 (5).
(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) Architectural metal roof panel

2 RELATED WORK BY OTHERS

(A) Acceptable Deck

NOTE: See the Standard for additional requirements.

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