Difference between revisions of "ASM Curb (Split Panel Flashing)"

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Difference between revisions of "ASM Curb (Split Panel Flashing)"

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<big><big>Division D - Construction Details</big></big>
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<big><big><big><big><big>ASM | Curb (Split Panel Flashing) ([[ASM_Roof_Systems_Standard#12.3.2.4._Curbs_and_Sleepers | Article 12.3.2.4.]])</big></big></big></big></big>
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<div class="panel-heading"><big>'''ASM Details'''</big></div>
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[[File:ASM 11.2.1 Curb, Split Panel.jpg|class=img-responsive | link=http://rpm.rcabc.org/images/4/40/ASM_11.2.1_Curb%2C_Split_Panel.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 Systems#ASMUNDERLAYMENT|'''Underlayment''']]: The type of underlay required is determined by roof slope.  
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;(1) [[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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;(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_7|'''Insulation''']]: Offset and stagger layers 300 mm (12").
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;(3) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMCLIP|'''Metal Panel Clip''']]: Installed to metal roof panel manufacturer's printed instructions.  
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;(3) [[ASM Roof Systems Standard#8.1.3.4. Separation Between Materials|'''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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;(4) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMPANEL |'''Architectural Metal Roof Panel''']]
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;(4) [[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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;(5) '''Metal Curb Flashing'''
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;(5) [[ASM Roof Systems Standard#9.2.1.6. Bearing Plates and EPDM Pads|'''Bearing plate''']]: Only thermally non-conductive clips or bars passing through the insulation assembly, or mechanically fastened bearing plates, may be used to secure and support insulation panels, or provide support for panel clips.
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;(6) '''Cricket''': Required for curbs more than 900 mm (36") wide  
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;(6) [[ASM Roof Systems Standard#9.2.1.5.Clips |'''Architectural metal panel clip''']]
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;(7) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMCAULK |'''Acceptable Caulking''']]: Two rows accepted caulking between overlapping sheets, with preformed closures on trapezoidal ribbed roof panels.
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;(7) [[ASM Roof Systems Standard#PART_9 |'''Architectural metal roof panel (lower)''']]: Lower, installed prior to the pipe flashing, cut hole large enough to allow for movement. Extend 400 mm (16") upslope beyond the pipe.
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;(8) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMCOUNTER |'''Metal Counter Flashing''']]
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;(8) [[ASM Roof Systems Standard#12.3.2.4. Curbs and Sleepers | '''Spaced Cleat''']]: Cleats, set in accepted caulking, spaced 50 mm (2") and fastened with compatible non-corrosive flat head screws.
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;(9) [[ASM Roof Systems Standard#9.2.1.7. Sealants |'''Sealant''']]
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;(10) [[ASM Roof Systems Standard#12.3.2.4. Curbs and Sleepers | '''Split panel''']]:
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;(11) [[ASM Roof Systems Standard#12.3.2.4. Curbs and Sleepers | '''Backpan Flashing''']]: Required for curbs up to 900 mm (36") wide.
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;(12) [[ASM Roof Systems Standard#12.3.2.4. Curbs and Sleepers | '''Metal Curb Flashing''']]
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;(13) [[ASM Roof Systems Standard#PART_13 |'''Metal Counter Flashing''']]
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;(14) '''Architectural metal roof panel (upper)''': Installed after penetration flashing.  Cut hole for pipe penetration and turn lower panel end under to hook onto cleat.
  
 
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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 Curb''': 200 mm (8") minimum height
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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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[[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 20:11, 28 June 2022



Division D - Construction Details

ASM | Curb (Split Panel Flashing) ( Article 12.3.2.4.)

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.

ASM Details

ASM 11.2.1 Curb, Split Panel.jpg

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


1 WORK INCLUDED

(1) Underlayment
The type of underlay required is determined by roof slope.
(2) Insulation
Offset and stagger layers 300 mm (12").
(3) 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).
(4) 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.
(5) Bearing plate
Only thermally non-conductive clips or bars passing through the insulation assembly, or mechanically fastened bearing plates, may be used to secure and support insulation panels, or provide support for panel clips.
(6) Architectural metal panel clip
(7) Architectural metal roof panel (lower)
Lower, installed prior to the pipe flashing, cut hole large enough to allow for movement. Extend 400 mm (16") upslope beyond the pipe.
(8) Spaced Cleat
Cleats, set in accepted caulking, spaced 50 mm (2") and fastened with compatible non-corrosive flat head screws.
(9) Sealant
(10) Split panel
(11) Backpan Flashing
Required for curbs up to 900 mm (36") wide.
(12) Metal Curb Flashing
(13) Metal Counter Flashing
(14) Architectural metal roof panel (upper)
Installed after penetration flashing. Cut hole for pipe penetration and turn lower panel end under to hook onto cleat.

2 RELATED WORK BY OTHERS

(A) Acceptable deck

NOTE: See the Standard for additional requirements.

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