Difference between revisions of "ASM Roof-Wall Connection (Head-wall)"

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Difference between revisions of "ASM Roof-Wall Connection (Head-wall)"

 
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<big><big>Division D - Construction Details</big></big>
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<big><big><big><big><big>ASM | Roof-Wall Connection (Head-wall) ([[ASM_Roof_Systems_Standard#10.3.2.3. General Application Requirements for Perimeters and Walls | Article 10.3.2.3.]])</big></big></big></big></big>
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<div class="panel-heading"><big>'''ASM Details'''</big></div>
 
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[[File:ASM 10.2.1 Roof-Headwall Connection.jpg|class=img-responsive | link=http://rpm.rcabc.org/images/1/1a/ASM_10.2.1_Roof-Headwall_Connection.jpg]]
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=== WORK INCLUDED ===
 
=== WORK INCLUDED ===
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;(1) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMUNDERLAYMENT|'''Underlayment''']]: The type of underlay required is determined by roof slope.  
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;(1) [[ASM Roof Systems Standard#PART_5|'''Deck overlay''']]: Required over some deck surface to provide a solid or continuous substrate for roof system materials.  Here, a deck overlay is provided to support a continuous AVB layer.
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;(2) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMSLIP|'''Slip Sheet''']]: Recommended over asphaltic underlays and / or as required by metal roof panel manufacturer.
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;(2) [[ASM Roof Systems Standard#PART_8|'''Underlayment''']]: Applicable for all Architectural Sheet Metal systems.  For slopes less than 1:3, the entire roof slope must be covered with a <u>self-adhered</u> underlayment.
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;(3) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMVALLEYPAN |'''Valley Metal Panel''']]: Turn up (bread panned) at termination and drag load fastened with compatible non-corrosive fasteners.  
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;(3) [[ASM Roof Systems Standard#PART_7|'''Insulation''']]: Installed with offset side and end joints.
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;(4) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMCLIP|'''Metal Panel Clip''']]: Installed to metal roof panel manufacturer's printed instructions.  
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;(4) [[ASM Roof Systems Standard#PART_8|'''Vapour-permeable separation membrane''']]: Installed over insulation and required on all insulated Architectural Sheet Metal Roof Systems.  The material must be located between the insulation and metal panels/ventilation material (see [http://rpm.rcabc.org/index.php?title=RoofStar_Guarantee_Standards_for_Architectural_Sheet_Metal_(ASM)_Systems#Design_5 '''8.1.2 Design''']).
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;(5) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMZ |''''Z' Closure''']]: Set in accepted caulking and secured with compatible, non-corrosive, flat head fasteners.  
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;(5) [[ASM Roof Systems Standard#PART_8|'''Ventilation material''']]: 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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;(6) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMSHEETMETAL |'''Sheet Metal Flashing''']]: Hooked to 'Z' closure and fastened to wall with non-corrosive, flat head fasteners 300 mm (12") o/c or preformed foam closures set in acceptable caulking with high domed gasketed cladding type screws at each standing rib.  
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;(6) [[ASM Roof Systems Standard#PART_9|'''Metal Panel Clip''']]: Installed to metal roof panel manufacturer's printed instructions.
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;(7) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMCOUNTER |'''Metal Counter Flashing''']]: Must extend behind siding and building paper. Stucco stops are not considered to be a counter flashing.
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;(7) Bearing plate: Used to support clips and distribute dead and live loads when direct contact with a solid substrate is not possible.
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;(8) '''Joint Overlap''': Joints overlapped 100 mm (4") minimum, sealed with two rows of accepted caulking. Exposed edges of joints must be turned under 12.7 mm (1/2").
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;(8) [[ASM Roof Systems Standard#PART_9 |'''Architectural metal roof panel''']]
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;(9) [[ASM Roof Systems Standard#PART_10 |''''Z'-Closure''']]: Set in acceptable sealant and secured with compatible, non-corrosive, flat head fasteners.
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;(10) [[ASM Roof Systems Standard#PART_10 |'''Sheet Metal Flashing''']]: Hooked to 'Z'-Closure and fastened to wall with non-corrosive, flat head fasteners 300 mm (12") o/c or preformed foam closures set in acceptable sealant with high domed gasketed cladding type screws at each standing rib.  
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;(11) [[ASM Roof Systems Standard#PART_13 |'''Metal Counter Flashing''']]: Must extend behind wall system and wall control layers. Stucco stops are not considered to be a counter flashing.
  
 
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=== RELATED WORK BY OTHERS ===
 
=== RELATED WORK BY OTHERS ===
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;(A) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMDECK|'''Acceptable Deck''']]
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;(A) [[ASM Roof Systems Standard#PART_2 |'''Acceptable deck''']]
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;(B) '''Wood Nailer'''
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;(B) '''Wall control layers''': must be positively lapped with roof materials and flashings, to maintain continuity across systems.
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;(C) '''Wall'''
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;(C) '''Wall cladding''':
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;(D) '''Siding'''
 
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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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[[ASM Roof System Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''ASM Roof System Details'']]
  
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[[Section:E. Application: Steep Slope Roofs|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''ASM Application'']]
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Latest revision as of 17:25, 28 June 2022



Division D - Construction Details

ASM | Roof-Wall Connection (Head-wall) ( Article 10.3.2.3.)

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 10.2.1 Roof-Headwall Connection.jpg

Click below for a printable version of this page (N/A)
Print Sheet

1 WORK INCLUDED

(1) Deck overlay
Required over some deck surface to provide a solid or continuous substrate for roof system materials. Here, a deck overlay is provided to support a continuous AVB layer.
(2) Underlayment
Applicable for all Architectural Sheet Metal systems. For slopes less than 1:3, the entire roof slope must be covered with a self-adhered underlayment.
(3) Insulation
Installed with offset side and end joints.
(4) Vapour-permeable separation membrane
Installed over insulation and required on all insulated Architectural Sheet Metal Roof Systems. The material must be located between the insulation and metal panels/ventilation material (see 8.1.2 Design).
(5) Ventilation material
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.
(6) Metal Panel Clip
Installed to metal roof panel manufacturer's printed instructions.
(7) Bearing plate
Used to support clips and distribute dead and live loads when direct contact with a solid substrate is not possible.
(8) Architectural metal roof panel
(9) 'Z'-Closure
Set in acceptable sealant and secured with compatible, non-corrosive, flat head fasteners.
(10) Sheet Metal Flashing
Hooked to 'Z'-Closure and fastened to wall with non-corrosive, flat head fasteners 300 mm (12") o/c or preformed foam closures set in acceptable sealant with high domed gasketed cladding type screws at each standing rib.
(11) Metal Counter Flashing
Must extend behind wall system and wall control layers. Stucco stops are not considered to be a counter flashing.

2 RELATED WORK BY OTHERS

(A) Acceptable deck
(B) Wall control layers
must be positively lapped with roof materials and flashings, to maintain continuity across systems.
(C) Wall cladding

NOTE: See the Standard for additional requirements.

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