GE All Weather Pro Window and Door Sealant is an advanced-grade sealant that’s ideal for exterior and interior paint projects such as windows doors siding flashing and trim. Our sealant is 100% waterproof and weatherproof and it’s resistant to stain-causing mold and mildew growth when fully cured. This formulation offers exceptionally strong adhesion and flexibility to withstand severe weather conditions. In fact it exceeds ASTM C920 and can span up to 2-inch gaps with 600% stretch and 25% expansion. GE All Weather Pro Window and Door Sealant is easy to use too; it guns and tools effortlessly is paint-ready in just one hour and cleans up with ease.