Roof Curb For Ac Unit

Install cant strips around the curb.

Roof curb for ac unit.

Does not address roof penetrations. Remove any twist within the cu rb due to roof supports and square the curb. Specify prefabricated roof curbs and related products by a roof curb manufacturer not with or by the equipment manufacturer. Bring field supplied roofing felt up to the top of the curb nailing strips.

Roof curbs should be supplied by the hvac manufac turer to the general contractor or building manufacturer and installed by an experienced erector. The bow tie royale 6 cinema contracted commercial usa to install an air conditioning unit on the flat roof of 542 westport ave norwalk ct. The roof curb is designed to support the weight of the unit and to offer a means for contractors to connect the supply return air duct work. To ensure a perfect fit canfab roof curbs are built to the same specifications as the units they are designed for.

A good penetration requires more than supplying just any roof curb. Install 2 inch thick boards or rigid insulation around the curb. Hvac curbs provide structural support for rooftop ac units and other roof mounted equipment. 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.

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 seams joined by continuous water and air tight welds. Heights to be 8 above finished roof deck or as detailed. Secure the curb to the roof support members. Specify prefab roof curbs for use with all roof penetrations and roof mounted equipment including and not limited to hvac units duct openings pipe penetrations power roof exhauster intake and relief vents flues or job fabricated items.

Curbco builds hvac curbs to suit anymake and model of commercial ac. Commercial ac manufacturers all have proprietary specs for their curbs. Nail felt into place. Flat roof curb installation for an air conditioner in connecticut.

When a building is constructed prior to the installation of the hvac rooftop unit rtu the roof is cut and a metal structure called a roof curb is installed. We serve pittsburgh monroeville stamford greenwich and white plains ct. The curb was supplied by the the heating and cooling company located in norwalk ct. Mechanical contractors should not be asked to supply or install roof curbs for roo fi ng systems.

Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer. The slightest inefficiency or mismatch in design or engineering can create blow back resistance that can wear down your climate control fan parts and cause your equipment to waste costly energy. Canfab roof curbs are built of heavy gauge galvanized steel to ensure equipment support without curb deflection.