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.

RECOMMENDED 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 & BENEFITS

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

Technical Data Sheet (TDS)

WPU

Safety Data Sheet (SDS)

WPU Class III Liquid Waterproofing Membrane

Product Calculator

Notched trowel depth

Floor area (m²)

Wall flashings and hob area (m²)

Include vertical wall zones, hobs, and other details in addition to the floor.

Estimates only. Coverage varies with application thickness, substrate porosity and level, application technique, site conditions, and wastage. Include all required floor and wall areas for membranes. Confirm rates, required film thickness, coats, and final quantities against the product TDS and applicable requirements before ordering.

Bridging Production
with innovation.

Watch how WPU Class III Liquid Waterproofing Membrane gets used

Joins a range of Respirable Crystalline Silica free products.

GREEN PHD CERTIFIED

Joins a range of Respirable

WPU Class III Liquid Waterproofing Membrane

Crystalline Silica free products.

RLA