The insulated 6 inch tall roof curbs are for EPDM, PVC and TOP roofs. The insulation improves energy efficiency and provides both a water and air barrier.
The Johns Manville insulation is double foiled to stop the build up of moisture. Instead, the foil repels water to prevent possible mold from forming.
A Roof Curb is a metal frame for mounting a roof vent or fan. As a result, this platform will provide additional height allowing for installation in all climate zones. The insulation will provide an extra layer of protect against harsh weather. Proper installation ensures that the accessory has a level platform for attachment. They can also work as a hatch allowing for easy access to ductwork, HVAC units or maintenance in the attic below.
AVP's curb mount flange vent lines are ready to install on the appropriately size roof curbs. This includes Aura Vent, Intake Pop Vents and Round Back Vents. AVP also manufactures Attic Fans and Aura Solar Fans with curb mount flanges.
 |  |  | Size | Insulated Roof Curb |
|---|---|---|---|---|
| 6" | 5" | 6" | For a 3" Diameter Vent or Fan | Coming Soon |
| 7" | 6" | 6" | For a 4" Diameter Vent or Fan | Coming Soon |
| 8" | 7" | 6" | For a 5" Diameter Vent or Fan | Coming Soon |
| 9" | 8" | 6" | For a 6" Diameter Vent or Fan | Coming Soon |
| 10" | 9" | 6" | For a 7" Diameter Vent or Fan | Coming Soon |
| 11" | 10" | 6" | For a 8" Diameter Vent or Fan | Coming Soon |
| 12" | 11" | 6" | For a 9" Diameter Vent or Fan | Coming Soon |
| 13" | 12" | 6" | For a 10" Diameter Vent or Fan | Coming Soon |
| 15" | 13" | 6" | For a 12" Diameter Vent or Fan | RC-12-H6-Ins |
| 17" | 15" | 6" | For a 14" Diameter Vent or Fan | RC-14-H6-Ins |
| 19" | 17" | 6" | For a 16" Diameter Vent or Fan | RC-16-H6-Ins |
| 21" | 19" | 6" | For a 18" Diameter Vent or Fan | RC-18-H6-Ins |
| 23" | 21" | 6" | For a 20" Diameter Vent or Fan | RC-20-H6-Ins |
| 27" | 25" | 6" | For a 24" Diameter Vent or Fan | RC-24-H6-Ins |
Building heavy wooden curbs can cause damage to the roofing membrane. Instead, eliminate the possibility of damage by using AVP's prefabricated ones.
The flashing allows for mechanical fasteners to securely attach the curb to the roof. Once placed, it is to be covered with roofing material for a water-tight seal.
AVP offers Curbs in an array of sizes fitting vents of 3 inches to 48 inches. They are also now offered in 3 heights.
