A reinforced TPO roof membrane terminates at a vertical wall assembly over concrete on a corrugated metal deck, rigid insulation, and a half-inch substrate. The TPO reinforced membrane is fully adhered using TPO bonding adhesive, with seam plates and heavy-duty fasteners spaced at a maximum of twelve inches on center. The membrane extends up the vertical surface and is secured using a surface-mounted all-purpose bar fastened six inches on center in ten-foot sections with a quarter-inch gap between sections, fastened within two inches of each end. Water cut-off mastic is applied behind the TPO membrane, and all-purpose sealant or approved urethane caulk is applied along the top edge of the termination bar.
ROOF CONCRETE ON CORRUGATED METAL DECK RIGID INSULATION TPO REINFORCED MEMBRANE 1/2” SUBSTRATE HEAT WELDED LAP (MIN 1-1/2” WIDE) TPO REINFORCED MEMBRANE FULLER ADHERED W/ M-H TPO BONDING ADHESIVE M-H 2” SEAM PLATES & HD FASTENERS (12” O.C. MAX.) M-H ALL PURPOSE SEALANT OR M-H APPROVED URETHANE CAULK M-H WATER CUT-OFF MASTIC BEHIND TPO MEMBRANE SURFACE MOUNTED M-H ALL PURPOSE BAR FASTENED 6” O.C. IN 10’ SECTIONS WITH 1/4” GAP BETWEEN SECTIONS (FASTEN WITHIN 2” OF EACH END) NOTES: 1. WHEN USING MULE-HIDE ALL PURPOSE BAR TO TERMINATE WALL FLASHING, TPD BONDING ADHESIVE MAY BE ELIMINATED WHEN FLASHING HEIGHT IS 18” OR LESS 2. FLASHING HEIGHT SHALL BE A MINIMUM OF 8” HIGH WHERE POSSIBLE. IF REMOVING COUNTERFLASHING DO NOT BLOCK OR COVER EXISTING WEEP HOLES. TERMINATION OF THE FLASHING MUST BE BELOW EXISTING WEEP HOLES.
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