Structural Roof Curb Detail

Heights to be 8 above finished roof deck or as detailed.

Structural roof curb detail.

Top of all roof curbs shall be level with pitch built into curb when deck slopes. Structural curbs are individually designed to span the existing bar joist at the base transitioning to match specific unit dimensions at the top. Structural roof curbs hvac units 19 aesindustries inc. Box 781147 tallassee al 36078 ph.

Curb installation should be a part of the roof deck not on top of insulation or roofing materials. The curb should be furnished with a wood nailer which provides a minimum of 3 5 of nailer surface mounted at the top of the curb to permit mechanical attachment of. Curbs should be a minimum of eight inches above the finished roof and factory insulated to reduce condensation. Typical roof curbs the curb should be structurally capable of supporting intended loads and designed such that drains power lines etc do not penetrate roof fl ashing.

Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer. Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer. Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer. 334 283 6578 fax 334 283 5447 galvanized steel construction ga.

Heavy gauge galvanized steel actual thickness determined by unit weight and full height internal dividers add the strength necessary to support the unit without additional framing. Internally insulated with 1 1 2 thick 3 lbs.