Koster NB 1 Waterproofing per Bag of 55 Pounds - Gray

Koster NB 1 Waterproofing

Watertight (> 400 ft water head) cementitious waterproofing with subsequently crystallizing agents. Suitable for the positive side and the negative side of waterproofing. A waterproofing made of KOSTER NB 1 Grey possesses excellent pressure and abrasion resistance. For area waterproofing in new construction and restoration, e.g. waterproofing of basements and tanks.

KOSTER NB 1 Grey is Certified to NSF/ANSI 61

Coverage: One 55 lb bag will cover approx. 110 sq ft. A minimum of 0.5 lb/sq ft is required for most applications. If brush applied at 0.5 lb/sq ft, apply 2 coats at 0.25 lb/sq ft each.

Fields of Application

KOSTER NB 1 Grey can be used in new construction and repair for horizontal and vertical waterproofing of concrete, masonry or cementitious plaster, on porous concrete, shotcrete, in wet rooms, bathrooms, showers, basements, elevator shafts, tunnels, leaking retaining walls, leaking ceilings, tanks, silos, sewage treatment plants, manholes, and drinking water tanks.