3.02 - KOSTER NB 1 Grey Watertight (> 400 ft water head) cementitious waterproofing with subsequently crystallizing agents. Suitable for positive side and negative side 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. Watch the KOSTER NB 1 Grey application video! Coverage Unit Size Product number One 50 pound bag will cover approx. 100 ft² based on 0.5 lb/ft² 55 lb bag 0302125

Documents:
Technical Data Sheet 3.021 NB 1 Grey	[Download]
Abdichtungsreport 1-2009 (Only German)	[Download]
Waterproofing Report 1-2008	[Download]
System brochure Negative Side Waterproofing Systems for Masonry and Concrete	[Download]
System brochure External Basement Waterproofing	[Download]

Related products:
KOSTER Deuxan Professional	Prod.no.: 1.17
KOSTER KBE Liquid Film	Prod.no.: 1.13
KOSTER Polysil TG 500	Prod.no.: 4.01
KOSTER Repair Mortar Plus	Prod.no.: 5.03
KOSTER SB Bonding Emulsion	Prod.no.: 2.11

Fields of Application:

1 - External basement waterproofing

2 - Internal basement waterproofing

3 - Horizontal barriers and restoration of masonry

5 - Concrete protection and repair

13 - Waterproofing tanks and pipes

15 - Special waterproofing applications