Gutter Silicone 2 sealant is a high-performance, 100% silicone and 100% waterproof sealant ideal for use on metal and vinyl gutters and other exterior applications. This 30 min rain-ready formula is clear in color and offers permanent flexibility and excellent durability with 10 year mold-free product protection to resist mold and mildew growth. Backed by a lifetime guarantee.

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.