PU Primer

Professional primer applied to improve the adhesion of polyurethane sealants to porous surfaces such as concrete, terrazzo, brick, wood. A thin layer of primer should be applied to the surface with a dry, clean brush prior to the application of sealant. In the case of very porous materials, two coats of C-15 PU Primer should be applied.


  • Priming of structural expansion joints in concrete floors
  • Priming joints in floors on terraces, balconies, as well as vertical expansion joints in balustrade walls
  • Priming joints in wall fences made of concrete, brick, stone

Technical Parameters

Product name Packaging Content Pieces per box Pieces per pallet
C-15 PU Primer Alluminium bottle 1000 ml 4 800

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