About this item 100% Waterproof: This 100% silicone formula offers ultimate protection against water damage, providing a reliable seal in areas prone to consistent water exposure Strong and Flexible: Stays permanently flexible with a high-performing, durable seal 30-Minute Water-Ready: Ready for water exposure in as little as 30 minutes Shrink- and Crack-Proof: Withstands extreme expansion and contraction associated with temperature fluctuations Compatible with Most Materials: Adheres to most metals, plastics, and woods; glass, drywall, plaster, granite, cultured marble, ceramic and porcelain tile, and more CAUTION! Contains hexamethyldisilazane, methyltrimethoxysilane, and petroleum distillates; methanol and ammonia are released during application and cure › See more product details