The OATEY SCS OAT FROST PROOF 4 IN GALV ROOF FLASHING is designed to provide a reliable waterproof seal around roof penetrations. Made from high-quality galvanized steel, this flashing is resistant to rust and corrosion, ensuring long-lasting performance. Its 4-inch size fits standard pipe diameters, making it suitable for various roofing applications. The frost-proof design ensures that it remains effective in cold weather conditions, preventing leaks and water damage. Easy to install, this roof flashing is essential for maintaining the integrity of your roofing system.