Gripset P39 | WPD Group

Gripset P39 is a versatile, high performance membrane based on advanced hybrid polyurethane technology. Suitable as an exposed membrane in external applications, or for use under tiles and other finishes, P39 offers superior sealing and durable properties against continuously wet conditions and harsh climatic conditions.

  • Highly flexible and elastomeric
  • Resistant to fungi and algae
  • Solvent free, non-hazardous
  • Suitable for exposed and under tile application
  • Roofs as an exposed membrane finish
  • Parapets
  • External surfaces exposed to constant weather
  • Roofs to be covered over with screeds and toppings
  • Internal wet areas, bathrooms, laundries and tiled areas
  • Balconies, decks, podiums, terrace floors
  • General tiled areas to prevent moisture ingress
  • Concrete, render and masonry
  • Fibre cement sheeting, plasterboard and structural sheeting
  • Wet area timber sheeting and external grade plywood
  • Aerated concrete panels and blocks


1 x 15litre pail will cover 10m² @ 1mm DFT (2 coats)
1 x 15litre pail will cover 7.5m² @ 1.3mm DFT (3 coats)

Drying Times

  • Tack Free: 1-2 hours
  • Re-coat: 2-4 hours
  • Dry film: 2-4 hours
  • Tiling or toppings over: 24-48 hours
  • Weatherproof Vertical: 24 hours
  • Weatherproof Horizontal: 48 hours
  • Flood test: 72 hours curing


Wet and dry film: Grey


  • 15 litre pails


Gripset P39 TDS

Gripset P39 SDS