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Tammsflex Primer-IN

Polysulphide Sealant Primer

TAMMSFLEX PRIMER-IN is a colourless, solvent-based liquid primer made up of Silane resins that has been specifically formulated to ensure and promote optimal adhesion between the substrate and the polysulphide-based sealant.


  • Primer for polysulphide-based joint sealants subjected to both important stresses and movements or cyclical  conditions.
  • Treatment for porous surfaces such as concrete, bricks, and other porous surfaces of joints in polysulphide sealant systems to minimize surface porosity and eliminate pin holing and bubbling.

Features and Benefits 

  • Adhesion to concrete and metal surfaces is excellent. 
  • High performance: works to tensile or shear  straight, or both.   
  • Easy to apply.
  • Excellent coverage.
  • No frequently asked questions for this product