Roof Curb Installation Detail

Use tack welding or other suitable fastening method to secure the roof curb.

Roof curb installation detail. See fi gure 6. 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. And in this one sentence lie the benefits and the detriments we face in the roof curb business everyday. Insignia is shown on curb and unit detail drawings.

Prefabricated roof curbs have been in use since the roof has been utilized for something other than keeping weather out. The primary function of the curb is to keep weather out while supporting flashing the equipment on it. Specify roof curbs in section 07720. Pre fabricated fully assembled roof curbs will reduce installation time and costs by ensuring compatibility between the rooftop unit curb and roof openings.

As a point for reference the york solution unit has a front rear left right and top and bottom sides. A minimum of one cross brace will be provided with each curb. The maximum spacing between cross braces is 90. 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. If the roof curb will be mounted on a new building it can be assembled at any convenient location and installed as soon as the roof support members are in place.