Hvac Roof Curb Detail

Do not cut out the entire roof deck within the curb area.

Hvac roof curb detail.

Find out why architects building manufacturers general contractors and erectors prefer rcs for our proven solutions. The slightest inefficiency or mismatch in design or engineering can create blow back. Roof curbs should be supplied by the hvac manufac turer to the general contractor or building manufacturer and installed by an experienced erector. Internally insulated with 1 1 2 thick 3 lbs.

Roof curb and curb adapter specialists serving north america. Our pricing customer service and technical expertise have made us a favorite in the hvac supplies industry. Heights to be 8 above finished roof deck or as detailed. The top of the curb should be level after installation.

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. Instructions supplied with the unit curb. Through a comprehensive approach combining attention to detail with a constant flow of information rcs provides the most innovative and complete roof curb systems in the industry. 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.

Founded in 1959 and with 5 factories across the country thybar is the oldest and largest roof curb manufacturer in the world. Roof support the roof must be capable of adequately supporting the weight of the rooftop unit as well as that of the curb. Mechanical contractors should not be asked to supply or install roof curbs for roo fi ng systems. Curb criteria for roof mounted equipment 1.

This guide does not address roof penetrations. They also serve as a location for roof penetration to allow cooled air to flow into the building and return air to flow out. Hvac curbs provide structural support for rooftop ac units and other roof mounted equipment. Commercial ac manufacturers all have proprietary specs for their curbs.

Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer. We ve built more curbs than anybody relying on years of experience and libraries filled with hvac equipment data. We have the largest hvac facility in north america consisting of two massive warehouses totaling more than 100 000 square feet of storage space. Roof curbs for standing seam metal roofs pick the proper material.

Refer to figure 17 and tables 1 and 2 for specific center of gravity corner weight information and accessory weights.