Bostik N40 Primer is a clear, non-staining, solvent-based primer and cleaner in one, promoting adhesion of polyurethane sealants and waterproof membrane systems to non-porous substrates.
Bostik N40 Primer is a clear, non-staining, solvent-based primer and cleaner in one, promoting adhesion of polyurethane sealants and waterproof membrane systems to non-porous substrates.