This is a special type of bituminous varnish, based on special asphalt and solvents.

It has strong adhesion to building materials, dries very quickly, and the film it creates is highly resistant to dilute acid solutions and alkalis. It is the most user-friendly material for bonding bituminous membranes.

It has absolute adhesion to surfaces made of concrete, lightweight concrete, wood, stones, and bricks, where it creates a hard waterproof protective membrane.