Easy to Dispense: Kraken Bond Spray Foam Insulation single-component and self-expanding aerosol polyurethane foam is designed for easy dispensing through the straw adapter included with each can. Environmentally Friendly: Kraken Bond expanding foam sealant does not contain any propellant gases that are harmful to the ozone layer. Versatile Use: Kraken Bond foam sealant gap filler can be used on window and door frames, big gaps, joints, cavities, electrical outlets, water pipes, and for filling of penetrations in walls. Safe and Effective: Kraken Bond expanding foam insulation spray is recommended to be used with Kraken Bond Spray Foam Cleaner which is sold separately. Make sure to wear protective gloves, safety glasses, and protective clothing during the process. Durable and Waterproof: Kraken Bond cured foam dries rigid and can be trimmed, shaped and sanded. It is a product that is waterproof and over paintable. Tested for Safety and Performance: Kraken Bond expanding foam sealant is UL 723 certified and ensuring its compliance with rigorous standards for safety and performance.