Koster NB 2 White - Waterproofing Cementitious Coating - W 222 025

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KOSTER NB 2 White is a white cementitious coating which may be used for waterproofing against ground moisture, non-pressurized or pressurized water. Waterproofing undertaken with KOSTER NB 2 White has excellent resistance to water pressure and abrasion as well as excellent resistance to chemicals. KOSTER NB 2 White should only be applied on building structures where crack development is not expected.

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.

Unit Size 55 lb bag (W 222 025)

Fields of Application KOSTER NB 2 White is ideal for waterproofing visible surfaces against pressurized water, such as horizontal and vertical concrete, masonry, or cement plaster. It can be used to seal wet rooms, bathrooms, showers, new basements, tanks, and manholes.

Substrate The cementitious substrate must be sound, solid, and free of grease and oil. Prime dusty or salt-damaged substrates with KOSTER Polysil TG 500 and prepare with KOSTER NB 1 Grey (coverage: 0.4 lb/sq ft). Pre-wet all other cementitious substrates to SSD condition.

KOSTER American Corporation is a subsidiary of KOSTER Bauchemie AG of Germany.

Founded in 1982 KÖSTER BAUCHEMIE AG specializes in the development and production of high-quality waterproofing products and systems. Today, KÖSTER forms a group of more than 20 companies with worldwide activities in more than 50 countries. Its headquarters are located in Aurich, Germany.

Our R&D facility, production and technical department are all located on the same campus in Virginia Beach, VA. This allows each department to work closely together to ensure each product conforms to the highest standards of quality. 

KOSTER operates two production facilities in Virginia Beach. The liquid facility produces all of our epoxy coatings while the powder facility produces our self-leveling underlayments as well as other cementitious waterproofing products. 

We place tremendous value on producing our products ourselves in order to ensure the highest level of quality control from development to application. We strongly believe in providing our customers with an excellent and safe experience with our products.