Roof Curb Weight

Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer.

Roof curb weight.

Include a footnote in the mechanical and skylight sections that reads all roof curbs are specified in 07720 curb installation should be a part of the roof deck not on top of insulation or roofing materials. Last updated july 22 2020. Grainger s got your back. Top of all roof curbs shall be level with pitch built into curb when deck slopes.

Weight of roofing materials. Specify roof curbs in section 07720. Refer to figure 17 and tables 1 and 2 for specific center of gravity corner weight information and accessory weights. This curb system is typically used when the roof top unit weight cannot be supported by purlins alone and loads must be transferred to the main frames with i beams.

Roof support the roof must be capable of adequately supporting the weight of the rooftop unit as well as that of the curb. Easy online ordering for the ones who get it done along with 24 7 customer service free technical support more. Heights to be 8 above finished roof deck or as detailed. Internally insulated with 1 1 2 thick 3 lbs.

The following table. Looking for dayton roof curb fixed nonventilated type 12 in curb height in 17 1 2 in curb square o d.