Features & Details Flexible Design, Handles Various Sized-pipes: This roof pipe flashing kit includes 1 red silicone round-based boots, each measuring Φ25.4 x 7.9''. Suitable for pipe diameters ranging from 10" to 19", it can be effortlessly cut to the size you need! Premium Silicone Boot, Long-lasting Quality: With a temperature range of -101℉ to 437℉, our flexible roof jack pipe boot maintains exceptional tolerance to acids, corrosion, oxidation, rain, snow, and UV rays. It resists cracking and shows long-lasting durability. The boot conforms tightly to the pipe and roof, providing outstanding sealing and leak protection. Aluminum Round Base, Snug Roof & Pipe Fit: With a 0.6 mm thickness and high flexibility, our roof vent boot is able to adapt seamlessly to both sloped and flat metal roofs, enhancing sealing and waterproof performance. Effortless Installation, Practical Leak Protection: Simply trim the boot to the required size, seal the base with sealant, and secure the waterproof base with screws. The high temp roof boot will then provide reliable, long-lasting protection for your roofing and vent pipes, ensuring a secure, leak-proof seal. Wide Application, Outstanding Value for the Price: This flashing boot is suitable for roofs made of metal, wood, and other materials. It is also widely used for chimneys, vents, wood stoves, pipe openings, and tent pipes, offering versatile and reliable protection. Note: Do not use consistently in applications exceeding the temperature range. High-quality sealant is recommended to avoid aging or cracking, which could lead to water leaks.