Johns Manville
Specification DFE-15
DFE-15, DFE-15 (N). CSI 3-Part Specifications. Large file (>500kB).
BITUMINOUS FLASHINGS | |
Specification DFE-15, DFE-15 (N) |
General
Note: All general instructions contained in the current JM Commercial/Industrial Roofing Systems Manual shall be considered part of this specification.
High wall flashing for load-bearing masonry wall construction
High Wall Flashing: Apply base flashing, as outlined in Specification DFE-1 (LB) or DFE-2 for masonry construction, or DFE-3 (WL) for wood construction. The completed base flashing should extend between 8" and 24" (203 mm and 610 mm) above the level of the roof membrane. Terminate the base flashing with an approved surface-mounted metal counterflashing, fastened 6" (152 mm) o.c. maximum with approved fasteners. Apply a piece of UltraGard EPDM membrane over the top of the wall and extending down over the metal counterflashing, using EPDM Bonding Cement. The piece of UltraGard EPDM membrane should cover the metal counter-flashing to the top of its drip edge, and must cover the fasteners in the metal counter-flashing by a minimum of 1" (25 mm). Install a sheet metal coping over the top of the wall, in accordance with the coping manufacturers specifications and details, or in accordance with SMACNA procedures. Apply EPDM Lap Caulk to the edge of the EPDM sheet. Specification DFE-15 (N)High wall flashing for load-bearing wood wall
construction
For an identical copy of this specification, ask for RS-4228.