KÖSTER NB 4000
Two component, crack bridging, mineral thick film waterproofing.
Quickly rainproof, can be plastered over
Features
KÖSTER NB 4000 is a polymer modified mineral coating for waterproofing building structures inside and outside. It is resistant to rain soon after application and can be exposed topressurized water after 24 hours. It is viscoplastic and crack bridging. KÖSTER NB 4000 is free of bitumen, UV stable, and can be used for adhering insulation boards.It can be applied to slightly moist substrates, can be painted and stuccoed over with foundation base plasters. KÖSTER NB 4000 can be filled with kiln-dried quartz sand to create fillets and fill surface roughness.
Use
KÖSTER NB 4000 is suited for waterproofing building structures inside and outside, especially in the restoration of buildings. Can be applied over old bituminous or mineral waterproofing layers. It can be filled with kiln dried silica sand to make a scratch coat or fillet mortar. When used as Polymer Modified Sealing Slurry, it can also be used under tiles and slabs and according to loading case W4-E as a horizontal barrier under masonry walls.
Specifications
| MANUFACTURER | Köster |
|---|---|
| CONSUMPTION | As required 2,4 -4,8 kg/m2 |
| PACKAGING | 25 kg combi package 2×7.2 kg powder component; 2×5.3 kg liquid component |
| STORAGE PERIOD | In a cool but frost-free room, the material will last for at least 9 months. |
