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.

• 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)

✓ 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