Proofex Primer is a bitumen-based primer applied on concrete to improve the adherence of Proofex self-adhering membranes to the substrate.
Aids the adhesion on vertical and suspended slab surfaces
Ensure complete coverage and allow to dry
Very porous surfaces may require more than one coat of primer
Only prime an area to which the Proofex 3000 can be applied the same day
Apply with brush or roller