Waterproof "floating" silicone effectively fills even invisible and hard-to-reach gaps around windows and sunroofs. Perfectly repairs door and window seals and window frames. It can also be used to seal parts that are in direct contact with water (eg boats. aquariums. swimming pools). Dries in an hour. Creates flexible. durable. waterproof seal. which is resistant to vibration. to extreme temperatures and weather conditions. Glues the glass. rubber. plastic. wood. with concrete and others.