Unit Roof Curb

D a 14 2 c b 1 7 8 1 1 2 figure 7 typical flat roof curb notes.

Unit roof curb.

Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer. Heights to be 8 above finished roof deck or as detailed. There are many options available to make sure all building requirements are met. Specify prefab roof curbs for use with all roof penetrations and roof mounted equipment including and not limited to hvac units duct openings pipe penetrations power roof exhauster intake and relief vents flues or job fabricated items.

Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer. The slightest inefficiency or mismatch in design or engineering can create blow back resistance that can wear down your climate control fan parts and cause your equipment to waste costly energy. Top of all roof curbs shall be level with pitch built into curb when deck slopes. Roof curbs roof curbs are support structures for fans and ventilators.

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. Unit wall unit raceway unit roof curb 2 x 4 nailer neoprene gasket 0 25 thk x 1 25 w curb rest curb for pipe chase enclosure casing 2 14 013 007 a a right hand pipe chase curb supports as required. Prefabricated roof curb to be manufactured of prime galvanized steel construction 20 18 16 or 14 gauge as required meeting astm a653 653m with welded corners and with seams joined by continuous water and air tight welds. They can be selected to fit the specific type of roof such as flat pitched or ridged.

Left hand pipe chase left hand unit shown.