The RBV-8-C4-TP is the Round Back Roof Jack with an 8 inch inner diameter and 4 inch tall collar. In addition, it also has a 2 inch tailpipe that can be used for duct ventilation. It is mainly used to ventilating bathroom fans and range hoods. The 8 inch roof jack allows for maximum air flow while alleviating back pressure.
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.
The Round Back Roof Jack is best used for ventilating steep slope roofs. Likewise it is typically used for ventilating ducted roofing systems. It has been engineered to stop insects and wildlife from entering the duct. It is also designed to prevent rain or snow from entering. This static vent is ideal for venting out bathroom fans or range hoods. In addition, the round design is aerodynamic to withstand wind speeds up to 200 mph. The Round Back Vent is great for residential roof applications because of its low profile. It can also be painted to match the color of the asphalt shingles.
These vents have an all-aluminum construction. To clarify, this means they are durable, lightweight, and will not rust.
Most importantly, this Round Back Roof Jack vent line comes in an array of sizes with optional curb mount flange for additional clearance or flat flange.