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AS 3740 & AS 4654 COMPLIANT SYSTEMS

Waterproofing that holds the line, not just the surface.

Membrane systems for wet areas, balconies, roofs and basements. Specified by substrate, movement and water pressure, not by whatever's on the shelf.

4.9★ TRADE RATING
200,000M²+ WATERPROOFED
48HR DISPATCH
TRADE PRICING ON APPLICATION
Class III rated
MEMBRANE SYSTEM: WET AREA HOVER A LAYER
Tile Bed / Protection Screed
20 to 30mm
Membrane: 2 Coats
1.0 to 1.5mm DFT
Reinforcement: Joints & Corners
Bond breaker
Primer: Bonding Coat
Per substrate
Substrate: Prepared Surface
Falls checked
Hover any layer to see what it's actually doing under the tiles.
10yr system warranty
200,000M²+Area waterproofed
8Engineered systems
9Years trading nationally
4.9 / 5Average trade review
By area

Choose your system by where the water goes

Every area carries a different water load and movement profile. Start here, not with a bucket colour.

bathroom during waterproofing

Wet Areas & Bathrooms

Showers, floor wastes, tiled walls

balcony membrane install

Balconies & Decks

UV stable, trafficable membrane systems

flat roof membrane

Roofs & Podiums

Ponding resistant, fully bonded systems

basement wall waterproofing

Basements & Retaining Walls

Positive and negative side water pressure

planter box waterproofing

Planter Boxes & Podium Decks

Root resistant, permanently submerged rated

pool shell waterproofing

Pools & Water Features

Permanent immersion, chemical exposure rated

Specify with confidence

Compare membrane systems side by side

Pulled straight from our technical data sheets, not marketing copy.

SystemCrack BridgingWater ResistanceRecoat / Tile OverBest For
Liquid AppliedClass IIIPositive side4 to 24hrWet areas, balconies
Sheet MembraneClass IVPositive sideReady on layLarge falls, showers
CementitiousClass IIPositive & negative24hrBasements, retaining walls
PolyurethaneClass IIIPositive side12 to 24hrRoofs, podiums, planters
BituminousRigidPositive sideN/A, under slabBelow ground, footings
System detail

Four membranes, four jobs

The right membrane is chosen by movement and water pressure, not by whichever tin is on special.

01 / Liquid Applied

Liquid Applied Membrane

Roller or trowel applied, seamless, ready to use polyurethane or acrylic.

02 / Sheet

Sheet Membrane

Preformed sheet for crack isolation under tile and stone.

03 / Cementitious

Cementitious Coating

Two part flexible system, no reinforcement layer required.

04 / Sealing Tape

Sealing Tape & Bond Breakers

Movement joints and detailing that let the membrane stretch, not snap.

Finish colours

Standard colour range

Mixed and tinted to order. Custom colour matching available on request.

White
Black
Brown
Green
Blue
Grey
Light Grey
Dark Grey
Charcoal
Red
Signal Red
Burgundy
Terracotta
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Membranes & coatings, dispatched fast to trade

Full checkout with card and PayPal. Trade accounts see net pricing at login.

After application
Membrane

WPM001 Acrylic Water Base for Wet Areas

Long term immersible, durable waterproofing, crack resistant. Ideal for bathrooms, kitchens and under tile applications.

$98.86 Add to cart
After application
Membrane

WPM002 Acrylic Water Base, Internal & External

High adhesion, excellent weather resistance, crack resistant and walkable once cured. Suited to roofs, balconies and external areas.

$108.99 Add to cart
After application
Floor Coating

Heavy Duty Acrylic Floor Paint

Dustproof and waterproof, stain resistant and anti slip. Built for garage and warehouse floors under daily traffic.

$216.45 Add to cart
After application
Epoxy Coating

Two Component Epoxy Floor Coating

Self levelling colour sand epoxy system. Dustproof, stain resistant, wear resistant and glossy, for garage and workshop floors.

$248.68 Add to cart

View Full Catalogue →

Not sure which membrane fits your job?

Send us the area, the substrate, and the exposure and we'll spec it and quote it within one business day.

Request a Quote →
Common questions

Frequently asked questions

Straight answers before you order or specify.

How long does a membrane take to cure?
Touch dry is typically 1 to 2 hours per coat. Full cure before tiling is usually 24 hours, and full chemical cure (e.g. for immersion) can take up to 7 days depending on the system and site conditions. Check the specific product's data sheet.
Do I need a primer before applying the membrane?
In almost all cases, yes. Primer manages substrate porosity and adhesion. Skipping it is the most common cause of membrane failure. Porous or previously coated substrates especially need it.
What's the difference between Class II, III and IV membranes?
The class rating describes crack bridging ability under AS 4858. Class II suits low movement areas like basements, Class III covers most wet areas and balconies, and Class IV is rated for higher movement substrates like large falls and sheet applications.
Can these products be used outdoors and are they UV stable?
WPM002 and our polyurethane systems are UV and weather resistant, suited to roofs, balconies and other external areas. WPM001 is formulated for internal wet areas. Check the product page before using it externally.
How many coats do I need?
Two full coats is the minimum for a genuine waterproof system. One coat is not a system. Higher exposure areas (roofs, planter boxes, permanent immersion) may need a third coat. Apply each coat perpendicular to the last for even coverage.
Do you ship Australia wide, and what does it cost?
Yes, we dispatch Australia wide. Shipping is calculated at checkout based on your order weight and delivery location.
Do you offer trade pricing or trade accounts?
Yes. Sign in or register for a trade account to see net pricing, or contact us directly for volume/project pricing.
Can I apply these products over old tiles or existing coatings?
It depends on the condition and type of the existing surface. Loose, flaking or incompatible coatings need to be removed first. Send us a photo of your substrate via the contact page and we'll confirm the right prep and system.