Hvac Roof Curb Detail

Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer.

Hvac roof curb detail. Units may be set either lateral or. We have the largest hvac facility in north america consisting of two massive warehouses totaling more than 100 000 square feet of storage space. Do not cut out the entire roof deck within the curb area. Our pricing customer service and technical expertise have made us a favorite in the hvac supplies industry.

Find out why architects building manufacturers general contractors and erectors prefer rcs for our proven solutions. Top of all roof curbs shall be level with pitch built into curb when deck slopes. Roof curbs should be supplied by the hvac manufac turer to the general contractor or building manufacturer and installed by an experienced erector. The curb and the equipment should be structurally capable of supporting intended loads and should be so designed that no penetration for drains power lines etc will occur through the roof flashing.

Roof curbs for standing seam metal roofs pick the proper material. Roof curb and curb adapter specialists serving north america. Instructions supplied with the unit curb. A galvalume coated roof doesn t mean that a galvanized steel roof curb is the best thing to use in fact galvanized roof curbs are known to rust corrode and leak particularly along weld joints as soon as a year after installation.

The slightest inefficiency or mismatch in design or engineering can create blow back. The top of the curb should be level after installation. They also serve as a location for roof penetration to allow cooled air to flow into the building and return air to flow out. We ve built more curbs than anybody relying on years of experience and libraries filled with hvac equipment data.

This guide does not address roof penetrations. Founded in 1959 and with 5 factories across the country thybar is the oldest and largest roof curb manufacturer in the world. Mechanical contractors should not be asked to supply or install roof curbs for roo fi ng systems. Refer to figure 17 and tables 1 and 2 for specific center of gravity corner weight information and accessory weights.

Curb criteria for roof mounted equipment 1. Hvac curbs provide structural support for rooftop ac units and other roof mounted equipment. Heights to be 8 above finished roof deck or as detailed. 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.

Roof support the roof must be capable of adequately supporting the weight of the rooftop unit as well as that of the curb.