5" to 16" to fit all "B" vent and Fireplace flue vents.
One or multiple pipe flanges of varying diameters per cover available.
Up to a 5' x 12' 16 gauge (.050") aluminum sheet (larger custom sizes & other materials available, contact us for information.)
Never rusts, thanks to single-piece aluminum design. No painting or sealing required.
Pressed pipe flange design eliminates need to service pieced flange joints.
U.S. Patent Number 6,296,560