MasterTop SRS 51P: Medium viscosity methyl-methacrylate (MMA) primer for porous concrete

Formerly: SRS Degadur B71

How does MasterTop SRS 51P work?

MasterTop SRS 51P is a methyl-methacrylate primer for use within the MasterTop flooring systems. MasterTop SRS 51P is a solvent free, two-component, 100% reactive, medium viscosity primer. MasterTop SRS 51P has superior adhesion to concrete and is ideal as a primer or sealer for porous concrete surfaces.

MasterTop SRS 51P should completely seal the concrete surface resulting in a uniform satin finish. MasterTop SRS 102 AP can be utilized with the MasterTop SRS 51P as a suitable primer for tile substrate applications.

Recommended uses:

  • Used as a primer within the following MasterTop flooring systems:
  • MasterTop CQ

What are the unique features of MasterTop SRS 51P?

  • Fully cures in one hour
  • Great adhesion to concrete
  • NSF registered
  • Can be applied at -20° F (-29° C)
  • Primer for tile applications

What are the benefits of MasterTop SRS 51P?

  • Reduction in downtime and rapid return to service
  • Ideal for porous concrete surfaces
  • Suitable for incidental food contact (R2)
  • Can perform installations in cold temperatures
  • Makes primer ideal for tile when used with MasterTop SRS 102 AP

US / Canada Product Information

Data Guide

Certification Letter

Direct contact

Master Builders Solutions Technical Support

Construction Systems


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Related Literature

Certification Letter

pdf (55.34 Kb)

Data Guide

pdf (210.76 Kb)