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Bostik N40 Primer - Non-Porous Surface Cleaner & Adhesion

Bostik N40: High-Performance Non-Porous Surface Primer & Cleaner

Bostik N40 Primer is a professional-grade, clear, non-staining solvent-based primer and cleaner. It is specifically formulated to promote superior adhesion for polyurethane sealants, acrylic sealants, and waterproof membrane systems when applied to non-porous substrates.

Key Applications

  • Interior and exterior sealing projects
  • Residential and heavy-duty commercial applications
  • Preparation for waterproof membrane installation

Compatible Substrates

  • Metals: Mill finished and anodized aluminium, stainless steel, galvanised steel, bright steel, brass, bronze, and copper.
  • Plastics: Rigid uPVC, ABS plastics, and gel-coated fibreglass.

Technical Resources

Ensure correct application by reviewing the technical documentation:

Source: Bostik Official Technical Documentation