Square Roof Curb Dimensions 6" x 6" High, Model SRC-3-H6 | Fits Fan or Roof Base 6-1/2"
This roof curb is 6" long by 6" wide and 6" high and is only compatible with roof vents or fans with a curb mount flange. The Model SRC-3-H6 will fit a vent or fan with a curb-mount flange measuring 6.5 inches square. Active Ventilation Products' prefabricated roof curbs are for flat or low-slope membrane roofs.
A roof curb is a metal box that serves as a base for a roof vent, fan, or hatch to the attic. Roof curbs provide easy access to ductwork, HVAC units, or attic maintenance.
Traditionally, roofers build wooden roof curbs on the roof during the membrane installation. However, building wooden curbs can cause damage to the roof membrane. This happens because of the cutting of lumber as well as loose nails or screws that end up getting walked by the crew. Using prefabricated aluminum roof curbs eliminates the need to build wooden boxes and reduces the chance of damaging the roof.
This roof curb is made of aluminum alloy 3003-H14 with a thickness of 0.025" (± 0.005”).
A key safety feature is that aluminum curbs are not flammable, unlike wooden roof curbs. Most roof curbs vent out heat from range hoods or HVAC units. This heat can cause wooden curbs to burn. However, aluminum will not burn, rust, or corrode. Aluminum curbs are safer.
Installation of this roof curb is for EPDM, PVC, and TPO roof membranes
The flashing on the roof curb allows fasteners to securely attach the curb to the roof. Once placed, it will be covered with roofing material for a watertight seal.
AVP offers roof curbs in various sizes, with the option to be insulated.
The curb mount flange, vent, and fan lines are ready to install on AVP's roof curbs. This includes Aura Vent, Pop Vents, and Round Back Vents. It also accommodates attic fans and solar fans for powered ventilation.
For any questions, please email the sales team at sales@roofvents.com or call 845-565-7770
