KOSTER NB Elastic Grey is a light-colored, waterproof, elastic, wear-resistant coating with excellent adhesion to all cementitious and masonry substrates. The material can bridge cracks up to a width of 40 mils, is abrasion resistant and resistant to concrete corroding water such as dilute acids and alkalis. It possesses a good UV-resistance and is radon-proof.
Coverage: Approx. 75 - 100 sq ft/unit.