Roof Curb Installation Detail

Roof curb must be square level prior to setting equipment.

Roof curb installation detail.

Pre fabricated fully assembled roof curbs will reduce installation time and costs by ensuring compatibility between the rooftop unit curb and roof openings. 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. 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. Specify roof curbs in section 07720.

See fi gure 6. Find out why architects building manufacturers general contractors and erectors prefer rcs for our proven solutions. 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. As a point for reference the york solution unit has a front rear left right and top and bottom sides.

Insignia is shown on curb and unit detail drawings. A minimum of one cross brace will be provided with each curb. The primary function of the curb is to keep weather out while supporting flashing the equipment on it. Use tack welding or other suitable fastening method to secure the roof 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. As a general rule the curb should be placed directly on the roof support members.