Oatey 14057 6.75 in. ? 13.5 in. Master x 17 in. Base Roof Flashing, 7" - 13" pipe diameter, Black Product Description Oatey? Master Flash? Roof Flashings are designed for use with profiled roofing materials and can be installed on every type of roofing surface. The base is designed to form a seal on any panel configuration and roof pitch, regardless of pipe location. Master Flash is pliable so it won't crack or break. It accommodates vibration, pipe movement caused by expansion and contraction, and snow-load movemnet. Master flash is made of EPDM and compounded specifically for maximum resistance to weathering due to ozone and ultraviolet light. 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 Pliable material won't crack or break Easily customized to accomodate a broad range of pipe diameters Non-fading EPDM collar provides maximum resistance to weathering caused by ozone and UV rays Engineered for profiled roofing systems at any pitch Use silicone sealant between base and surface, and secure with sheet metal screws Slides over pipe - for pitch to 45 degrees Use silicone sealant between base and surface, and secure with sheet metal screws Multi-size pipe sealing range Molds to metal, Plastic, etc Non-fading EPDM collar 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.