Primer for polyurethane sealants
Penetrating adhesion primer for polyurethane sealants. Necessary on porous surfaces such as concrete, plaster, bricks, clay roof tiles, cement boards, aircrete, marble etc. Necessary for expansion joints on terraces, as well as for joints around door and window casements. Apply it to create the conditions for unbreakable seals with long lasting durability.
||15-20ml/linear meter, depending on the width and depth of the joint.