Unit Roof Curb

Roof curbs roof curbs are support structures for fans and ventilators.

Unit roof curb. Left hand pipe chase left hand unit shown. 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. 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. They can be selected to fit the specific type of roof such as flat pitched or ridged.

Internally insulated with 1 1 2 thick 3 lbs. Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer. Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer. When you install adapter curbs welded rtu rooftop unit curbs or equipment supports for your rooftop hvac package unit going with the wrong curb adapter company can cost you big money and time.

Heights to be 8 above finished roof deck or as detailed. D a 14 2 c b 1 7 8 1 1 2 figure 7 typical flat roof curb notes. Top of all roof curbs shall be level with pitch built into curb when deck slopes. 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.

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.