Roof Curb Installation Detail

Specify roof curbs in section 07720.

Roof curb installation detail.

Include a footnote in the mechanical and skylight sections that reads all roof curbs are specified in 07720 curb installation should be a part of the roof deck not on top of insulation or roofing materials. Roof curb must be square level prior to setting equipment. The maximum spacing between cross braces is 90. The primary function of the curb is to keep weather out while supporting flashing the equipment on it.

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. Specifications 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. As a point for reference the york solution unit has a front rear left right and top and bottom sides. See fi gure 6.

Insignia is shown on curb and unit detail drawings. Pre fabricated fully assembled roof curbs will reduce installation time and costs by ensuring compatibility between the rooftop unit curb and roof openings. A minimum of one cross brace will be provided with each curb. Prefabricated roof curbs have been in use since the roof has been utilized for something other than keeping weather out.

Use tack welding or other suitable fastening method to secure the roof curb. Find out why architects building manufacturers general contractors and erectors prefer rcs for our proven solutions.