BackFlange, Round Back Roof Jack, USBJF-001-016
United States/Roof Vents: Roof Jack Vent Caps/BackFlange Spec Sheet (.pdf) Warranty of the Round Back Roof Jack with Curb Mount Flange, BackFlange. Manufacturer’s Warranty: 1-Year General Characteristics of the Round Back Roof Jack with Curb Mount Flange, BackFlange. The Round Back Roof Jack with Curb Mount Flange is used for ventilating bathroom fans or other duct applications. The curb mount flange is designed to fit on top of roof curbs on flat roofs. 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, it comes in an array of sizes with an optional flat flange for sloped roofs. The Round Back Roof Jack with Curb Mount Flange is engineered to stop insects and wildlife from entering the duct. The roof vent is also designed to prevent rain or snow from entering. These vents have an all-aluminum construction. To clarify, this means they are durable, lightweight, and will not rust. The tailpipe is 2 inches long and is corrugated at the bottom to fit existing ductwork. This allows for a quick and easy installation. Product Applications of the Round Back Roof Jack with Curb Mount Flange, BackFlange. BackFlange is used for ventilating bathroom fans or other duct applications. Keywords and Search Terms Round Back Roof Jack, Curb Mount Flange, Roof Ventilation, Round Back Mounting Flange, Roof Ventilation, Weatherproof Roof Jack, Ventilation Jack, Pipe Flashing Jack, Roofing Vent Jack, Curb Mount Roof Jack, Metal Roof Jack, Flat Roof Jack, Adjustable Roof Jack, Stylish Roof Flange, Premium Roof Jack, Innovative Curb Mount Flange, Roof Jack with Mounting Flange, Heavy Duty Roof Jack, Economical roof jack, Durable Roof Jack, Roof Jack for Protection, Industrial Roof Jack, Residential Roof Jack, Commercial Roof Jack, Roof Jack with Flange, Efficient Flange Roof Jack, Modern Roof Jack, Roof jack with rear flange, Roof Jack for Ducts, Roof Jack for Ventilation