Difference between revisions of "ASM Cylindrical Penetration (Split Panel Flashing)"

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Difference between revisions of "ASM Cylindrical Penetration (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 | Cylindrical Penetration (Split Panel Flashing) ([[ASM_Roof_Systems_Standard#12.3.1.2._RoofStar_15-Year_Guarantee | Article 12.3.1.2.]] and [[ASM_Roof_Systems_Standard#12.3.2.1._General_Requirements_for_Flashing_Penetrations | Article 12.3.2.1.]])</big></big></big></big></big>
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<div class="panel-heading"><big>'''ASM Details'''</big></div>
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[[File:8.1.4.9.1.jpg| link=http://rpm.rcabc.org/images/a/ab/ASM_11.1.2_Pipe_Flashing%2C_Split_Panel.jpg | class=img-responsive]]
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:[[File:Pdf.png|100 px|'''Print Sheet''']] Under Revision
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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 for continuous support of the underlayment when the deck is not suitable.
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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#8.1.3.3. Field Underlayment|'''Underlayment''']]: The type of underlay required is determined by roof slope.  
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;(3) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMVALLEYPAN |'''Valley Metal Panel''']]: 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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;(3) [[ASM Roof Systems Standard#PART_7|'''Insulation''']]: Offset and stagger layers 300 mm (12").
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;(4) '''Flashing''': Flange set in two continuous beads of accepted caulking.  
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;(4) [[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.
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;(5) '''Spaced Cleat''': Cleats, set in accepted caulking, spaced 50 mm (2") and fastened with compatible non-corrosive flat head screws.  
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;(5) [[ASM Roof Systems Standard#8.1.3.5. Ventilation Beneath Panels|'''Ventilation beneath panels''']]: A ventilation/drying space is required on slopes less than 1:3; entangled mesh (shown) may be used as void fill.  The ventilation/drying space facilitates drying as condensation forms on the underside of the metal panels (See [[Notes to ASM Standard#A-8.1.3.5. | Note A-8.1.3.5.]]).
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;(6) '''Architectural Metal Roof Panel''': Upper, installed after installation of pipe flashing.  Cut hole for pipe penetration and turn panel end under to accommodate cleats.  
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;(6) [[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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;(7) '''Settle Cap''': Material must match flashing material.
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;(7) [[ASM Roof Systems Standard#9.2.1.5.Clips |'''Architectural metal panel clip''']]
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;(8) '''Caulking''': Bead of caulking tooled into transition between metal roof panel and flashing.  
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;(8) [[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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;(9) '''Sealant Tape''': Two rows of sealant tape or acceptable caulking.  
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;(9) Overlap area of lower panel: Penetration flashing is mounted here, set in an acceptable sealant.
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;(10) [[RoofStar Guarantee Standards for ASM Roof Systems#ASMDRAG |'''Drag-load Fasteners''']]: Compatible non-corrosive fasteners.
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;(10) [[ASM Roof Systems Standard#12.3.2.4. Curbs and Sleepers | '''Spaced Cleat''']]: Discontinuous cleats (to permit drainage), set in accepted caulking, spaced 50 mm (2") and fastened with compatible non-corrosive flat head screws.  
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;(11) [[ASM Roof Systems Standard#9.2.1.7. Sealants |'''Sealant''']]
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;(12) '''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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;(13) '''Protrusion Flashing''': Flange set in two continuous beads of accepted caulking.
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;(14) [[ASM Roof Systems Standard#9.2.1.7. Sealants |'''Sealant''']]: Applied around base of penetration flashing.
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;(15) '''Settlement Cap''': Material must match flashing material.  
  
 
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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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'''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 17:35, 17 March 2023



Division D - Construction Details

ASM | Cylindrical Penetration (Split Panel Flashing) ( Article 12.3.1.2. and Article 12.3.2.1.)

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 11.1.2 Pipe Flashing, Split Panel.jpg

Print Sheet Under Revision

1 WORK INCLUDED

(1) Deck overlay
Required for continuous support of the underlayment when the deck is not suitable.
(2) Underlayment
The type of underlay required is determined by roof slope.
(3) Insulation
Offset and stagger layers 300 mm (12").
(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.
(5) Ventilation beneath panels
A ventilation/drying space is required on slopes less than 1:3; entangled mesh (shown) may be used as void fill. The ventilation/drying space facilitates drying as condensation forms on the underside of the metal panels (See Note A-8.1.3.5.).
(6) 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.
(7) Architectural metal panel clip
(8) 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.
(9) Overlap area of lower panel
Penetration flashing is mounted here, set in an acceptable sealant.
(10) Spaced Cleat
Discontinuous cleats (to permit drainage), set in accepted caulking, spaced 50 mm (2") and fastened with compatible non-corrosive flat head screws.
(11) Sealant
(12) Architectural metal roof panel (upper)
Installed after penetration flashing. Cut hole for pipe penetration and turn lower panel end under to hook onto cleat.
(13) Protrusion Flashing
Flange set in two continuous beads of accepted caulking.
(14) Sealant
Applied around base of penetration flashing.
(15) Settlement Cap
Material must match flashing material.

2 RELATED WORK BY OTHERS

(A) Acceptable Deck

NOTE: See the Standard for additional requirements.

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