Built-to-Last Watertight Roof PipeBoot The roof pipe flashing boot fits pipe OD10" to 18". With corrosion-proof silicone cover, it beats high-temp low-freeze. Flexible aluminum base allows easy cutting installation, handing various roof materials and slopes. Durable tightly sealing, it's the ideal choice for roof pipe leaks. The high temp roofing pipe flashing iscrafted from high-quality silicone, ensuring long-lasting sealingthat withstands rain, snow, and intense sunlight, avoiding waterleakage at the same time! The metal roofing pipe boot is made withan 0.6 mm aluminum alloy base that is highly flexible, ensuring asnug fit to your roof and pipe for enhanced sealingperformance! Please refer to the installationstep-by-step diagram or user manual, you can also install the metalroofing pipe boot to your chimneys, metal roof, outdoor vent, orwood stoves just like a professional effortlessly. With the high adaptability and goodsealing of our high temp flexible pipe boot, the roofing vent pipeboot can be widely used in chimneys, exhaust ports, wood stoves,pipe openings, tent pipe, and so on!