ARDEX WPM 188 | WPD Group

*Must be installed by a certified installer*

ARDEX WPM 188 is an SBS type modified bitumen membrane. ARDEX WPM 188 is treated with a preventative chemical to stop roots from plants damaging the membrane.

  • Positive vapour barrier
  • Excellent resistance to pollutants and aging
  • High flexibility during application at sub-zero temperature with no physical strain
  • Maintains shape stability at high temperatures
  • High resistance to perforation
  • Resists root growth ingress into both the membrane and the laps

Typical Uses:

  • Planter boxes, garden beds, roof gardens, flower beds and green civil works
  • Tanking membrane in horizontal and vertical applications


  • SBS


  • Fibreglass and polyester (180g/m2)


  • 3.0mm

Top surface:

  • Sand

Bottom surface:

  • Torch film

Heat stability:

  • 90°C

Cold flexibility:

  • -20°C


  • 1m x 10m (W x L)
  • 35kg

Rolls per pallet:

  • 28

Primer Options:


Ardex WPM 188 PDS

Ardex WPM 188 SDS

Ardex WPM 188 Spec Sheet

Ardex WPM 188 Guide to Torch Applied Membranes

Ardex WPM 188 AS4654