Roof Curb For Ac Unit

Hvac curbs provide structural support for rooftop ac units and other roof mounted equipment.

Roof curb for ac unit. Install 2 inch thick boards or rigid insulation around the curb. Secure the curb to the roof support members. Specify prefabricated roof curbs and related products by a roof curb manufacturer not with or by the equipment manufacturer. The curb is secured into place and roofing material is extended all the way up the sides of the curb.

They also serve as a location for roof penetration to allow cooled air to flow into the building and return air to flow out. The curb was supplied by the the heating and cooling company located in norwalk ct. 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. 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. To compliment our curb line canfab has a complete library of seismic calculations and seismic clips addressing the current code for unit to curb isolator to curb vibration isolation curbs and curb to structure method of attachment including wood. 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. 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.

Nail felt into place. A good penetration requires more than supplying just any roof curb. 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. Roof curbs should be supplied by the hvac manufac turer to the general contractor or building manufacturer and installed by an experienced erector.

Flat roof curb installation for an air conditioner in connecticut. To ensure a perfect fit canfab roof curbs are built to the same specifications as the units they are designed for. Does not address roof penetrations. We serve pittsburgh monroeville stamford greenwich and white plains ct.

Install cant strips around the curb. Commercial ac manufacturers all have proprietary specs for their curbs. 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. Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer.

Curbco builds hvac curbs to suit anymake and model of commercial ac. Bring field supplied roofing felt up to the top of the curb nailing strips. Remove any twist within the cu rb due to roof supports and square the curb.