Products

WPU Class III Internal/External Waterproofing Membrane

 
 
 

WPU Class III Liquid Waterproofing Membrane

RLA WPU is an elastomeric one-part polyurethane/Acrylic
fibre reinforced water-based membrane developed as a
high-performance internal/ external membrane for most
general waterproofing applications.
It is suitable for external applications where a UV stable,
occasional trafficable membrane is required.

Areas of Use

  • Concrete after curing 28 days

  • Masonry / render after curing at least 7 days

  • Cement sheeting / underlay / external weatherboard /
    blue board

  • Pre-cast concrete once the release agent has been
    removed/ dissipated

  • Wet area plasterboard / Villaboard

  • Structural Plywood Type A (PAA JAS-ANZ)

  • Brickwork, Hebel (aggregate block)

Features

  • Tough, flexible film when cured

  • Class III membrane certified to ASTM 4858:2004
    wet area membranes when applied in accordance
    with AS-3740:2010

  • Low VOC content

  • Single pack no mixing

  • Excellent adhesion to a wide variety of substrates

  • Safe and easy to use

  • UV stable for external applications

  • Can handle light maintenance traffic once fully cured

  • Designed for use with a bond breaker