Roof hatch curb with internal insulation connects to the structural roof deck, finished with fully welded cap flashing at corners. Fasteners secure the curb assembly at two each side, tying into the underlying structural framing and concrete slab.
ROOF HATCH CAP FLASHING, FULLY WELDED AT CORNERS ROOF HATCH CURB W/ INSULATION FA03 (2) EACH SIDE RD40 RD20 RD21 RD22 RD23 RD63 SE05 FA46 4a S1.31 .
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