All roof curbs equipment rails pipe and duct mounting pedestals and pipe penetration systems to be specified together bought by one contractor and installed by one contractor.
Roof curb detail.
Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer.
Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer.
Curb installation should be a part of the roof deck not on top of insulation or roofing materials.
Free cad detail download of a prefabricated roof curb to be used in your architectural section cad drawings.
They can be selected to fit the specific type of roof such as flat pitched or ridged.
Curb installation should be a part of the roof deck not on top of insulation or roofing materials.
Curbs should be a minimum of eight inches above the finished roof and factory insulated to reduce condensation.
Internally insulated with 1 1 2 thick 3 lbs.
Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer.
All curbs to be provided by one roof curb manufacturer.
Curbs should be a minimum of eight inches above the finished roof and factory insulated to reduce condensation.
Top of all roof curbs shall be level with pitch built into curb when deck slopes.