BK 1000

Transparent Polyurethane Waterproofing Coating for Balconies and Terraces

KÖSTER BK 1000 is a one part, aliphatic polyurethane based, liquid applied water proofing material. After application the material cures with air moisture to form a seamless, elastic, crack bridging and walkable membrane. 

The cured membrane has high adhesion strength to tiles, glass tiles, concrete, cement screed, timber and fiber cement surfaces. 

KÖSTER BK 1000 is resistant to water contact, weather conditions, sunlight, abrasion (foot traffic) and thermal variations (-30 to +80°C service temperature). 

Consumption: 0,25 - 0,50 kg/m²

Packaging: 4,0 L pail