Sto Flexible Crack Filler is an acrylic-based, non-sag crack filler for sealing and weatherproofing cracks. Use it to fill hairline cracks in vertical concrete, stucco or masonry block surfaces. Its convenient cartridge packaging provides a fast way to fill cracks, up to 1/8 inch (3.2 mm) wide.

10.3 oz tube
12 pcs/ctn