Very low-emission, two-component special cement primer based on a polymer dispersion that can be used as a joint filler and bonding course for THOMSIT levelling compounds and for firmly securing metal brackets on absorbent and impervious substrates such as:

• boarded floors, chipboards V 100, OSB boards, parquet and other wooden floors with joints
• insufficiently sanded mastic asphalt screeds
• stone floors and ceramic tiles
• coatings
• firmly adhering old PVC/CV flooring with a textured surface
• cement and calcium sulfate screeds and concrete floors
• magnesia screeds and stonewood screeds
• old substrates (made of the above materials) with firmly adhering, waterproof residues of adhesives and levelling compounds.

Do not use THOMSIT R 790 on sulfite liquor and soft bitumen adhesives.The filling primer does not seal against moisture.

THOMSIT R 790 meets the highest demands for occupational safety, indoor air quality and environmental compatibility.