Roof Curb Installation

Contractors should not be asked to supply or install roof.

Roof curb installation.

Turer to the general contractor or building manufacturer. First the basic design of the curb should take into account the roofing components so that it can be properly flashed into the roof system. A good penetration requires. This type of curb has the added benefit of being able to be installed either during the roof installation of after the roof is finished.

Pressure treated nailers should be provided by the curb manufacturer to receive roofing felts and eliminate noise transfer. And installed by an experienced erector. Curbs should be a minimum of eight inches above the finished roof and factory insulated to reduce condensation. A canted curb for example should be used for a built up or modified bitumen system roofing system.

Placing the curb on and attaching it to the ribs also allows better transitioning from under the roofing on the upslope end to cover the roof on the downslope end.