Oatey 11877 Galvanized 3"- 4" pipe diameter All-Flash, No-Calk Roof Flashing 12" x 15" Base Product Description Oatey? All-Flash? No-Calk? Roof Flashings/Galvanized Base can be used in commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required. From the Manufacturer Oatey products can be found in residential and commercial applications and have achieved excellent brand name recognition with consumers. All products are backed with the highest quality technical and customer support programs in the industry Features Patented All-Flash? design allows use on multiple pipe sizes Galvanized base Rated 180oF continuous heat and approved for Type B installations Metal base for pitch from 0-40o Self-sealing collar slides over pipe and requires no caulking Slides over pipe. Type of base determines pitch Non-fading, non-cracking and non-rusting bases and sealing collars Ring on collar tears off, allowing flashings to seal different pipe diameters Approved for Type B installations Not for hot-mopped or built-up roofs USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.