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Sika Primer MB 4.0kg Kit Part A

Sika Primer MB

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2-component epoxy primer & moisture barrier

Sika® Primer MB is a 2-component epoxy primer and moisture barrier for SikaBond wood flooring adhesives applied on difficult substrates.


Sika® Primer MB is designed for use in conjunction with SikaBond wood flooring adhesives:
  • For moisture control on cement-based substrates with moisture contents of up to 6 % CM (ca. ~9% Tramex / Gravimetric weight percent).
  • For substrate consolidation on concrete, cement and anhydrite screeds and refurbished substrates.
  • For adhesion promotion for broadcast mastic asphalt and on old adhesive residues.


  • 2-Component
  • Reactive epoxy
  • Solvent-free
  • Easy to apply, low viscosity
  • Allows quick completion
  • Good penetration and stabilization of the substrate
  • Suitable for refurbishing existing substrates
  • Suitable for use with underfloor heating