Structural Roof Curb Detail

Curbs should be a minimum of eight inches above the finished roof and factory insulated to reduce condensation.

Structural roof curb detail.

Curbs should be a minimum of eight inches above the finished roof and factory insulated to reduce condensation. Curb installation should be a part of the roof deck not on top of insulation or roofing materials. 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. 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. Box 781147 tallassee al 36078 ph. 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.

Heights to be 8 above finished roof deck or as detailed. Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer. Internally insulated with 1 1 2 thick 3 lbs. Curb installation should be a part of the roof deck not on top of insulation or roofing materials.

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.