Polyurethane Primer and Green Slab Sealer


ARDEX PU 30 is a one-component polyurethane primer and green slab sealer for use on internal and external porous and non-porous substrates. ARDEX PU 30 penetrates the surface of the substrate blocking capillary moisture up to 98% RH, while strengthening and consolidating the surface up to 2mm in depth.

  • Suitable as a green slab seal up to 98% RH
  • Strengthens and consolidates weak substrates
  • Suitable for use with ARDEX polyurethane- and MS-based adhesives
  • Suitable for levelling compounds when broadcast with quartz sand
  • Meets the requirement guidelines for the EMICODE licence ‘EC1 PLUS’, achieving the lowest possible emission limits.

Product Code: 22390


  • Substrates:

    Porous and non-porous substrates including;

    • Concrete (including green concrete)
    • Timber
    • Particleboard
    • Plaster
    • Existing ceramic tiles
    • Steel (not for levelling over)
  • Drying & Curing:
    • Allow each layer of ARDEX PU 30 45 minutes to dry
    • Allow a minimum of 2 hours for layers containing a sand broadcast
  • Coverage:
    • 100-150g/m2 per layer
  • Packaging:
    • 11kg plastic container