The 4'' Plastic Roof Flashing is designed to provide a watertight seal around roof penetrations, ensuring protection against leaks. Made from durable plastic, this flashing is resistant to weathering and UV exposure, making it suitable for various roofing applications. Its 4'' size is ideal for standard vent pipes and other roof fixtures. This flashing is easy to install and compatible with a range of roofing materials, providing a reliable solution for both residential and commercial roofing projects.