Extreme Weather Resistance: Premium silicone Component, high / low temperature resistance, ensuring durability in harsh climates Maintains structural integrity from scorching summers to freezing winters Suitable for metal roofs:, it can effectively seal the pipes extending from the roof This intermittent metal roof pipe sealant is widely used at chimneys, exhaust vents, wood-burning and pipe openings Flexible Roof Compatibility: This silicone roof vent boot adapts to various roof angles and shapes (25x25x9.8Cm), seamlessly fitting metal,, or asphalt roofs for a Excellent seal Ideal for residential and commercial ventilation systems Safe Component: Produced of silicone, this vent boot is Sustainable and safe for homes with children or pets, aligning with health Awake lifestyles Leak Protect: Advanced piece molding technology creates a seamless barrier against water infiltration, safeguarding interiors from damage while optimizing Flows efficiency, Manufacturer: Tmboryuu