Round Back Residential Roof Jack Vent Cap

Round Back Roof Jack In Kitchen Range Hood Venting Application

Keep out rain, snow, insects and animals while venting out your duct.

The Miami-Dade County Approved Round Back Roof Jack is used for ventilating bathroom fans or other duct applications. In addition, the round design is aerodynamic to withstand wind speeds up to 200 mph. It allows for maximum air to flow while alleviating back pressure. Most importantly, this Roof Jack comes in an array of sizes with optional curb mount flange for additional clearance.

The Round Back Roof Jack is engineered to stop insects and wildlife from entering the duct. It is also designed to prevent rain or snow from entering. See the Climate Zone Chart to determine the collar height for your area. These vents have an all-aluminum construction. To clarify, this means they are durable, lightweight, and will not rust.

The Roof Jack’s tail pipe is approximately 2 inches long and is corrugated at the bottom to fit existing duct work. This allows for a quick and easy installation.

Round Back Roof Jacks are UL Listed roof vent and rated up to 50+ PSF or wind pressure above 200 MPH.  Certified by Texas Department of InsuranceFlorida State Approved & Conforms to the Standards of CALFIRE.

For any questions please see the frequently asked questions page. If you still have questions, email the sales team [email protected] or call 845-565-7770


2" Tall Collar

4" Tall Collar
3" DiameterRBV-3-C2-TPRBV-3-C4-TP
4" DiameterRBV-4-C2-TPRBV-4-C4-TP
5" DiameterRBV-5-C2-TPRBV-5-C4-TP
6" DiameterRBV-6-C2-TPRBV-6-C4-TP
7" DiameterRBV-7-C2-TPRBV-7-C4-TP
8" DiameterRBV-8-C2-TPRBV-8-C4-TP
9" DiameterRBV-9-C2-TPRBV-9-C4-TP
10" DiameterRBV-10-C2-TPRBV-10-C4-TP
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