Red Devil STORMGUARD 787 Silicone Sealant, Clear, 10 to 100 deg F, 300 mL Cartridge

StormGuard™-920 is a 100% silicone window and door sealant that exceeds the highest test method for joint expansion. After 30 min it can be exposed to rain and form a permanent seal. It offers excellent adhesion, flexibility and durability and can be used on a variety of surfaces indoors and outdoors.