Butyl rubber formula provides a durable, flexible, watertight seal for gutters, drain spouts, lap joints, flashings, roof vents, aluminum siding and other metal joints. Stands up to weather and temperature extremes.
Prevents leaks and moisture damage by maintaining a durable seal that resists heat, freezing temperatures, ultraviolet light and intermittent water immersion
Low heat and electrical conductivity
Non-staining and will not craze or harm most plastic materials