StormGuard 920 is a 100% RTV Silicone window and door sealant that exceeds the highest test method for joint expansion. After 30 minutes it can be exposed to rain and forms a permanent seal. It will not shrink or crack and is non corrosive. It offers excellent adhesion, flexibility and durability and can be used on a variety of surfaces indoors or outdoors. It is low odor and is backed by a lifetime durability guarantee. It is not paintable and cleans up with solvents.Features 30 Minute Rain Ready 100% Waterproof Superior adhesion and flexibility Will not shrink or crack Non corrosive Low odor Lifetime durability guarantee Not paintable Solvent clean up Specifications Type: Silicone Size: 10.1 oz Quantity: 1 Color: Clear