All Style Industries 3 inch Square All Style Medium Retro-Split Storm Collar for Square 3 in. x 3 in. x 1/4 in. Steel Support Columns

Retro-Split E.P.D.M. rubber storm collars install from the side forming a protective weatherproof umbrella over difficult geometric penetrations passing through a roof. Medium size Retro-Split rubber storm collars include a wraparound skirt, a top plug and a stainless-steel marine grade band clamp which together form a weatherproof umbrella counter flashing over the top of a roof flashing jack. Retro-split rubber storm collars weatherproof process piping and irregular structural steel support columns with profiles that fit within a 6-inch diameter circle. Retro-Split collars open and install from the side, patented designed top-plug and push lock skirt surrounds round, angle, square or any other geometric shaped roof penetration or structural support. Retro-Split Collars are made from E.P.D.M. rubber and are resistant to heat, ozone and acid rain to assure long-life exceeding 20-years.