A roof fan with a maximum weight of two hundred pounds mounts above ductwork passing through a roof opening. A minimum eight-inch high level curb with cant and flashing is provided by the general contractor around the penetration. The assembly intersects the roof deck and structural framing below typical conditions.
6A - MIN. 8" HIGH LEVEL CURB W/ CANT and FLASHING BY G.C. ROOF FAN (200# MAX.) DUCKWORK MIN. 8" HIGH LEVEL CURB W/ CANT and FLASHING BY G.C. A A TYP.
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