Rain Collar For No-CalkĀ® Roof Flashings can be used as a secondary seal for commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. Self-sealing collar slides over pipe and requires no caulking.
Additional Info: Rated 180 deg F continuous heat and approved for Type B installations. Not for hot-mopped or built-up roofs. Do not use petroleum-based products on rubber collars.