The small Retro-Split rubber storm collar is molded for attachment onto a nominal pipe size (N.P.S.) 3/4 in (1.050 OD) pipe. N.P.S. being the standard for North American round pipe specifications. Retro-Split collars install from the side and are the counter-flashing umbrella that is placed over the top of a roof flashing. Each Retro-Split collars include a wraparound skirt with 5 tabs that fit into pre-molded underside slots cut into the top plug. The Retro-Split wrap around skirt forms into a conical shape and is held by a patented press together latch. one collar, one skirt and one stainless steel band clamp combine into a weatherproof retro-fit storm collar umbrella. Rubber Storm collars will not corrode, breakdown, affect metallurgies and always spring back from pedestrian impacts. Retro-Splits can be disassembled for roof Maintenance and reuse. Made from E.P.D.M. rubber that is exceptionally resistant to heat, Ozone, and acid rain to assure long life that should exceed 20-years. A roof flashing is not included as part of the Retro-Split Storm collar assembly. Unequivocally, the easiest to install and best looking retro-fit storm-collar replacement. Do-It-Yourselfers' and Pros who have pride in their work, always use the best, A Retro-Split storm collar flashing.
Retro-Split E.P.D.M. rubber storm collars side mount forming a protective weatherproof umbrella around difficult geometric penetrations
Three inch top diameter Retro-Split rubber storm collars include one wrap around skirt, a top plug and a stainless-steel marine grade band clamp
Retro-Split collars are made the USA from E.P.D.M. rubber and are resistant to heat, ozone and acid rain to assure long-life exceeding 20-years
Retro-Split collars open and install from the side, patented designed top-plug and push lock skirt surrounds around any geometric shaped penetration
Measure the pipe and choose the correct N.P.S. pipe size. Choose the Outside Diameter (O.D.) of the pipe not the name of the pipe when choosing the hole size
For example, 2 inch named pipes have outside diameters of 2-3/8”. Choose the 2 inch size if the pipe looks close to measuring 2- 3/8 inches in diameter