ASM Cylindrical Penetration (Split Panel Flashing)

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ASM Cylindrical Penetration (Split Panel Flashing)

RoofStar Guarantee Standards are blue-linked
ASM Details

ASM 11.1.2 Pipe Flashing, Split Panel.jpg


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1 WORK INCLUDED

(1) Underlayment
The type of underlay required is determined by roof slope.
(2) Slip Sheet
Recommended over asphaltic underlays and / or as required by metal roof panel manufacturer.
(3) Architectural Metal Roof Panel
Lower, installed prior to the pipe flashing, cut hole large enough to allow for movement. Extend 400 mm (16") upslope beyond the pipe.
(4) Flashing
Flange set in two continuous beads of accepted caulking.
(5) Spaced Cleat
Cleats, set in accepted caulking, spaced 50 mm (2") and fastened with compatible non-corrosive flat head screws.
(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.
(7) Settlement Cap
Material must match flashing material.
(8) Caulking
Bead of caulking tooled into transition between metal roof panel and flashing.
(9) Sealant Tape
Two rows of sealant tape or acceptable caulking.
(10) Drag-load Fasteners
Compatible non-corrosive fasteners.

2 RELATED WORK BY OTHERS

(A) Acceptable Deck

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.



RoofStar Guarantee Standards for ASM Roof Assemblies

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