Bathroom & Shower Waterproofing Membranes
Showers and bathrooms are among the most frequent wet areas of every home. Therefore, selecting the appropriate membrane for your project is essential when it comes to waterproofing your bathroom.
ASAP Waterproofing Specialists use a range of membranes, including acrylics and hybrid polyurethane, unlike monomeric membranes that are brittle and may fail. We work with the top manufacturers committed to creating products that meet Australian Standards and harsh environments to provide top quality services to customers required for the waterproofing of bathrooms in Sydney.
Suppose you’re searching for shower or bathroom waterproofing services in Sydney to build a brand-new bathroom and shower or rebuild your inside wet space. In that case, it is essential to put in the right membrane to function and is applied properly by a certified applicator. Installers and supervisors must be aware of how the waterproofing system chosen is constructed when waterproofing wet areas in residential buildings.
Shower waterproofing membranes must work with your completed flooring, including underfloor heating, wall and floor tiles, and adhesives. Here at ASAP Waterproofing, we employ this as a common procedure to meet your waterproofing requirements.
Fixing Waterproofing Issues in Internal Wet Areas
The waterproofing of wet areas, like shower recesses, bathrooms and bath hobs, is one of the most frequently recurring troublesome areas. They are regarded as a class one (major) construction defect in homeowners’ complaints about inadequate wet areas, and generally rank third. When you hire experienced waterproofing experts from the ASAP Waterproofing in Sydney, you can be sure of a correct assessment and offer your project the best chance to be long-term waterproofing solutions.

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Our highly knowledgeable team is at your disposal if you have any additional questions relating to our services. Call us today at 0425 244 087 to discuss all your waterproofing needs and requirements!
What You Need To Know Before Waterproofing
Shower Wall Waterproofing Heights
Bathroom & Shower floors must be waterproofed:
- Up to 150 mm above the floor, or
- Level greater than 25 m
Walls must also be waterproofed to:
- 1800 mm above the finished floor level, or
- 150 mm above the fixed shower head
Unenclosed showers must be waterproofed to 1800 mm height from the shower area
Corners, Joints & Penetrations
All internal and external shower corners and horizontal joints must be waterproofed within the shower space.
Plasterboard joints outside the shower that extend into the shower area must also be waterproofed.
Tap penetrations must be sealed, while ensuring tap washers remain accessible without damaging the waterproof seal.
Bath & Adjacent Surfaces
Any horizontal or vertical surfaces adjoining an inset bath must be properly sealed.
Floor & Wall Tanking Requirements
When waterproofing the floor, wall tanking must extend at least 100 mm above the finished floor level.
Bond breakers must be installed at:
- Hob-to-wall junctions
- Wall-to-wall junctions
- Any movement joints
Shower Hobs & Water Stops
Shower hobs must be constructed from:
- Concrete, masonry, or similar solid materials
Timber hobs are not permitted
Hobs must be securely fixed to the floor
A water-stop angle must:
- Be installed in a straight line with the finished floor level
- Be installed before waterproofing begins
For hob-less showers with enclosures, a water-stop angle is required:
- The vertical section must be at least 5 mm above the finished floor level
General Wet Area Requirements
All holes and penetrations must be properly repaired and sealed
Doorways into wet areas must include a water stop
Frameless Shower Screens
Require:
- Full floor waterproofing
If a water-stop angle is used, it must remain visible through the tiles
Our Services
Waterproofing Services
Flat roofs
Strata work
Remedial Work
Balconies
Bathrooms
PVC Sheet Membranes
Swimming pools
Retaining Walls
Planter Boxes
Rising Damp
How can we help you?
Call us on 0425 244 087 or click on the button to request a quote.