Star Flex Joint & Crack Compound Video Works on any magnetic white

Works on any magnetic white or black board

and then locks it using the security lever

time safety check was started

and usable fork pockets measure 6-3/4" wide by 3-1/4" high

Star Flex Joint & Crack Compound Video Works on any magnetic whiteA 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