gorilla foam seal insulating foam sealant is a multi-purpose formula that expands to fill gaps & cracks up to 1 in., does not cause bowing making it great for windows & doors, and can be used in both indoor & outdoor applications. this formula has maximum durability with high flexibility, strong adhesion, and uv resistance* that provides protection for minimal outdoor degradation. dispensed product is tack free in 8-12 minutes and can be trimmed in 45 minutes. use to seal out air, moisture, pests, and insects. meets aama 812-19. insulating value r-4.1/in. *exposure to sunlight may cause discoloration. for outdoor use, coat with exterior paint. **do not use inside electrical outlets or junction boxes. not for filling closed cavities or voids. not for use on or within heat-emitting devices or in areas that require fireproof and/or fire stopping materials.