Did my video above HELP you? How about treating me to a mocha-chip ice cream cone? https://shop.askthebuilder.com/tims-tip-jar/ ttp://www.AsktheBuilder.com founder, Tim Carter, shows a failed plumbing vent flashing, a high-quality replacement flashing and he provides step-by-step install instructions how to install a roof plumbing vent flashing. Roof plumbing vents must be designed to last as long as the roofing material. You don't want a leak at a plumbing vent flashing rubber boot. A very common plumbing vent flashing made from aluminum and rubber often develops cracks that open up and leak. Carter shows a new plumbing vent flashing that has a much thicker metal base and a special siliconized rubber boot that will stay supple for decades. He shows precise step-by-step installation instructions for putting in a plumbing vent flashing in a typical sloped roof. Discover more vent and roof flashing columns and videos at askthebuilder.com http://www.askthebuilder.com/how-to-vent-plumbing-video/