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Stufex PR 91

Dual-component epoxy primer for concrete

Dual-component epoxy primer free from water and solvents. Can be used to create a water-proofing barrier on concrete substrates with a high moisture-content (up to 5%), or for consolidating treatments.
Rolling or brushing
Product information

Technical features

  • Quick drying
  • Water-repellent
  • Damp-proofing
  • Blocks up to 5% rising damp, ideal for difficult under-surfaces substrates
  • Excellent for promoting adhesion on porous surfaces, aids anchorage of the adhesive
  • Ready to use and easy to apply


Used as a treatment against residual moisture.

Drying time

  • 12 - 24 hours
  • 2 - 3 days for complete hardening

Pot life
30 – 40 minutes

200 - 300 g/m2

Recommended treatments
1 x Stufex PR 91
1 x Stufex PR 91, after 6 - 12 hours
1 x Stufex PL 97 or Stufex PL 96 or Stufex PL 200 or Stufex S100

5 + 2.5 Kg

  Technical data sheet

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