Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer.
Roof curb details.
Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer.
As a general rule the curb should be placed directly on the roof support members.
The curb can also be mounted on a roof deck.
There are many options available to make sure all building requirements are met.
Curbs should be sloped to avert water ponding.
Use tack welding or other suitable fastening method to secure the roof curb in place.
Free cad detail download of a prefabricated roof curb to be used in your architectural section cad drawings.
Roof curbs are support structures for fans and ventilators.
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.
They can be selected to fit the specific type of roof such as flat pitched or ridged.