Curb installation should be a part of the roof deck not on top of insulation or roofing materials.
Roof curb detail.
Internally insulated with 1 1 2 thick 3 lbs.
Roof curbs roof curbs are support structures for fans and ventilators.
Free cad detail download of a prefabricated roof curb to be used in your architectural section cad drawings.
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.
Top of all roof curbs shall be level with pitch built into curb when deck slopes.
Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer.
Curbs should be a minimum of eight inches above the finished roof and factory insulated to reduce condensation.
All curbs to be provided by one roof curb manufacturer.
Heights to be 8 above finished roof deck or as detailed.
They can be selected to fit the specific type of roof such as flat pitched or ridged.
Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer.