4 x 50', Black, Foam Expansion Joint, 12 Thick, Stiff Enough To Use On Straight Joints Flexible Enough To Shape Contours, Resistant To Moisture Is UV Resistant, Exceeds ASTM Standards D4819 D3575.
•High strength repair material designed to plug leaks instantly in concrete and masonry•Sets in 3-5 minutes and can be used above and below grade•Designed to block running water or leaks in cracked masonry or concrete surfaces.