Structural Roof Curb Detail

Curbs should be sloped to avert water ponding.

Structural roof curb detail.

Seismic calculated curbs are available as reinforced metal curbs or vibration isolation curbs. Curbs should be sloped to avert water ponding. A structural engineer predetermines the seismic requirements of a building. Heights to be 8 above finished roof deck or as detailed.

Stamps are available for all 50 states if needed. The prefabricated hvac roof curbs must be installed in accordance with instructions and as detailed on drawings. 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. Curbs should be a minimum of eight inches above the finished roof and factory insulated to reduce condensation.

Below are links to all our products downloadable roof details and drawings. 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. Roof curbs also protect the occupants inside the building by preventing the rooftop packaged unit from blowing off the curb during a wind event and potentially falling through the roof structure.

Structural curbs are individually designed to span the existing bar joist at the base transitioning to match specific unit dimensions at the top. In many cases florida building code fbc compliant roof curbs also feature seismic protection as well. Free cad detail download of a prefabricated roof curb to be used in your architectural section cad drawings. Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer.

The general contractor shall provide all labor material and equipment to completely install the prefabricated hvac roof curbs. Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer. We try to help our clients in anyway possible. 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.

Top of all roof curbs shall be level with pitch built into curb when deck slopes. If you have any questions about a product please don t hesitate to call us we will help you get your roofing job done right the first time. Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer.