External Curbs For Condenser Units On Roof

Mechanical contractors should not be asked to supply or install roof curbs for roo fi ng systems.

External curbs for condenser units on roof.

Unit and curb orientation typical curb styles the following are typical curb styles used with rooftop units. These packaged air conditioners deliver performance for various ranges of industrial applications. This 30 x 10 x 8 18 000 pound hvac unit was attached to its curb with 16 straps one screw per strap. Roof curbs should be supplied by the hvac manufac turer to the general contractor or building manufacturer and installed by an experienced erector.

This gooseneck was attached with only two small screws. 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. Roof curb and curb adapter specialists serving north america. Units should not be moved over a roof membrane but should in some manner be lifted from the ground onto the curb or support framework.

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. Instructions supplied with the unit curb. We offer a wide array of hvac curbs custom designed curbs and related services serving the gulf coast region and beyond. When setting the unit onto the curb the installer should ensure that a sealing material is positioned between the unit and curb to provide a continuous watertight connection.

Refer to the factory roof curb drawing provided with the unit for specific curb in formation. Condenser ld08205 figure 1. Pre fabricated fully assembled roof curbs will reduce installation time and costs by ensuring compatibility between the rooftop unit curb and roof openings. Do not cut out the entire roof deck within the curb area.

Allison main joined the pate company as a sales engineer on june 8 2020. Roof support the roof must be capable of adequately supporting the weight of the rooftop unit as well as that of the curb. Allison earned her b s. Units may be set either lateral or.

A substantial amount of water was able to enter the building during the hurricane. Rooftop attachment of lightning protection systems in high wind regions. This guide does not address roof penetrations. In atmospheric sciences in 2015 from purdue university west lafayette in.

Flat curbs see figure 2. Curb dimensions and material vary depending on unit size and options.