Isola Kallasfalt is particularly suitable as moisture protection on building foundations and concrete surfaces above and below ground. Can also be used as protection on iron and sheet metal structures below ground. Diluted with 10-20% white spirit, Isola Kallasfalt is also used as a primer for dried-out roofing felt.

Consumption: 0.3 – 0.4 liters / m²
Density: 0.9 Kg/L
Drying time: 6-12 hours

The substrate must be dry and clean. Plastered surfaces must first be treated with cold asphalt diluted with 20% white spirit. Then apply a thin layer of undiluted cold asphalt. Apply with a tar brush or roller.