ASM Cylindrical Penetration (Split Panel Flashing)

RoofStar Guarantee Standards are blue-linked

ASM Details

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(1) 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.
(2) Settlement Cap: Material must match flashing material.
(3) Drag-load Fasteners: Compatible non-corrosive fasteners.
(4) Sealant Tape: Two rows of sealant tape or acceptable caulking.
(5) Caulking: Bead of caulking tooled into transition between metal roof panel and flashing.
(6) Protrusion Flashing: Flange set in two continuous beads of accepted caulking.
(7) Metal Clip on Bearing Plate.
(8) Separation Layer (Drainage Mat): Required for slopes less than 1:3; recommended over asphaltic underlays and / or as required by metal roof panel manufacturer.
(9) Underlayment: The type of underlay required is determined by roof slope.
(10) Spaced Cleat: Cleats, set in accepted caulking, spaced 50 mm (2") and fastened with compatible non-corrosive flat head screws.
(11) Architectural Metal Roof Panel: Upper, installed after installation of pipe flashing. Cut hole for pipe penetration and turn panel end under to accommodate cleats.

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.