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ARDEX WPM 270

High-Penetration Solvent-Based Primer for External Substrates

ARDEX WPM 270 is a premium clear solvent-based primer engineered to seal and enhance adhesion on both dense and highly porous substrates. As a low-viscosity binder, it effectively penetrates dust and seals absorbent surfaces, providing a stable foundation for waterproofing membranes and coatings.

Key Features & Benefits

  • High Penetration: Deeply penetrates porous substrates and binds surface dust for superior bonding.
  • Heavy Duty Sealer: Specifically formulated for dense concrete (>30MPa) and external masonry.
  • Rapid Drying: Increases job site efficiency with a fast 30-minute recoat time.
  • Versatile Application: Clear finish suitable for a wide range of external floor and wall substrates.

Product Specifications

  • Suitable Substrates: Fibre-cement sheet (wet area grade), concrete, marine plywood, renders, screeds, and masonry/concrete blocks.
  • Location: Optimized for External use.
  • Surfaces: Ideal for both Floors and Walls.
  • Coverage: 1L covers approximately 6m² (120m² per 20L drum).
  • Drying Time: Recoat ready in just 30 minutes (at 23°C).
  • Pack Size: 20L

Technical Resources

Ardex WPM 270 Technical Datasheet (PDS)

Ardex WPM 270 Safety Data Sheet (SDS)

ARDEX WPM 270 is a clear solvent-based primer designed to seal and improve the adhesion of dense or highly porous substrates. Source: Ardex Australia Official Product Data