Roof Curb Weight

Top of all roof curbs shall be level with pitch built into curb when deck slopes.

Roof curb weight.

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. Do not cut out the entire roof deck within the curb area. Last updated july 22 2020. Easy online ordering for the ones who get it done along with 24 7 customer service free technical support more.

Roof support the roof must be capable of adequately supporting the weight of the rooftop unit as well as that of the curb. Weight of roofing materials. The following table. Roof top unit weight will not allow thermal movement of the standing seam roof system if the units were placed on standard curbs attached to the roof.

Refer to figure 17 and tables 1 and 2 for specific center of gravity corner weight information and accessory weights. Heights to be 8 above finished roof deck or as detailed. Specify roof curbs in section 07720. Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer.

Looking for dayton roof curb fixed nonventilated type 12 in curb height in 17 1 2 in curb square o d. Internally insulated with 1 1 2 thick 3 lbs.