What is the term for the flashing around a plumbing vent pipe?

The term for the flashing around a plumbing vent pipe is commonly referred to as a "boot." This component is designed to create a watertight seal at the point where the vent pipe exits the roof, preventing water from seeping into the structural elements of the building. The boot fits snugly around the pipe and is typically made of materials such as rubber or metal that can withstand exposure to weather conditions.

Understanding this terminology is essential for home inspectors, as properly installed flashing is crucial for preventing leaks. If the flashing is damaged or improperly installed, it can lead to significant water intrusion issues inside the home. While other terms like cap, seal, and collar may describe different components or functions within the plumbing or roofing system, they do not specifically refer to the flashing component that encircles the vent pipe. Therefore, recognizing that "boot" is the appropriate term reinforces the inspector's ability to identify and evaluate the condition of roofing and plumbing systems accurately.