Uploaded November 2023 | Updated September 2026, 1 hour ago

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This is a step by step guide how to waterproof a shower once screed has dried. It is the seventh video in the ARDEX How Toi Tile Series, featuring ARDEX WPM 155 Rapid Plus.

ARDEX WPM 155 Rapid Plus
Water-based polyurethane-acrylic hybrid waterproofing membrane developed for high performance undertile waterproofing.

- Express dry time with bathroom tiling possible in just 4 hours, with no risk to corners and junctions
- Crack Isolation protection over shrinkage, hairline and other non-structural cracks
- Tough flexible film
- Meets Green Building Council of Australia Greenstar requirements
- Can be tiled over – good adhesion with ARDEX tile adhesives
- Excellent adhesion to a wide range of substrates
- Fast drying
- STB Tape eliminates need for bond breaker
- Class III Membrane, as per AS/NZS 4858 Wet Area Membranes

ardexaustralia.com/product/ardex-wpm-155-rapid-plus

0:00 Intro
0:06 Waterproofing Above Screed
1:45 Second Coat of Membrane
2:27 Products featured
2:38 Disclaimer

For more information about this video, please contact our technical services team on 1800 224 070.
For more information about ARDEX Australia, please visit our website: ardexaustralia.com