Rtu Roof Curb Detail

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.

Rtu roof curb detail.

Curb installation should be a part of the roof deck not on top of insulation or roofing materials. Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer. The curb should provide a minimum clearance of 10 inches between the top of the finished roof surface and the top of the wood nailer continuous around the curb perimeter. The roof curb is designed to support the weight of the unit and to offer a means for contractors to connect the supply return air duct work.

As a general rule the curb should be placed directly on the roof support members. 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. In no case should the curb be less than 14 inches in height. Curbs should be a minimum of eight inches above the finished roof and factory insulated to reduce condensation.

If the roof curb will be mounted on a new building it can be assembled at any convenient location and installed as soon as the roof support members are in place. Use tack welding or other suitable fastening method to secure the roof curb in place. Baycurb042a baycurb043a baycurb044a precedent roof curb acc svn43e en created date. Renaud de saint ceran subject.

Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer. Heights to be 8 above finished roof deck or as detailed. See figure 6 6. 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. Find out why architects building manufacturers general contractors and erectors prefer rcs for our proven solutions. Installer s guide roof curb packaged rooftop units. Curbs should be a minimum of eight inches above the finished roof and factory insulated to reduce condensation.

Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer. Top of all roof curbs shall be level with pitch built into curb when deck slopes.