Fill concrete cracks and joints without using a pro grade melter with the 125 ft. Medium Gray Crack-Stix Permanent Concrete Joint and Crack Filler. Originally used for federally specified highway jobs, this filler is an easy permanent solution for keeping concrete smooth. Crack-Stix is applied with heat (a simple hand held torch) and bonds to the sidewalls of the crack. Unlike some fillers, Crack-Stix expands and contracts along with the weather to keep joints and cracks sealed. Designed for joints and cracks from 1/2 in. to 1 inch in Dia.
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