Star Flex Joint & Crack CompoundA permanent expansion joint and crack compound. The Star Flex comes complete with: No mixing or heating Use inside or outdoors Stays elastic, will not turn brittle Stops alligatoring Seals cracks up to 3 4 wide Highly elastic in frozen areas Designed for heavy traffic Prevents pavement ruptures One gallon of Crack Filler fills approximately 75 lin. ft. of 1 2 wide x 1 2 deep cracks *Item is not available for sale in Province of Quebec*