Waterproofing in Melbourne


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Excellent Tilework Begins with Proper Waterproofing

Waterproofing is a critical part of the tiling process that makes your space resistant to water penetration. By adding a protective barrier before installation, you can preserve your tiles and ensure they last for years to come. 

However, waterproofing is a highly technical task that requires experienced tilers. At Unique Tiling Concepts, we’ve worked with multiple surfaces and understand what each surface needs to make them entirely waterproof. This saves you the time and hassle of repairs and rework. 


Common waterproofing issues, and how we can help

Waterproofing Issues
Uneven and Rough Surfaces.
This is the most common problem we face during a renovation. It is caused by inadequate preparation during the removal of old tiles and poor waterproofing applications. It is a hazard and a problem.
Waterproof Without Priming Methods.
Another issue is waterproofing on hardwood flooring or timber flooring without the proper primer. Many tilers have basic knowledge about waterproof materials, and use the same primer from concrete onto timber or hardwood. This causes the hardwood to wear off quickly.
Massive Holes Underneath the Surface.
This is a very serious problem in tiling, which many tilers might ignore. Massive holes on your site’s surface pose a significant financial risk for you.
Improper Slope. 
Most of the tiles on balconies and their shower base or rooftop don’t have the proper fall. This causes water pooling and moisture, which will damage the waterproofing and cause a leak.

Our Solution
We solve this issue by smoothing the surface with a diamond blade or a concrete grinder. While waterproof is extendable like a rubber, we still do not recommend waterproofing on big chunks of old substrate and also big holes. 
We consistently consult with our material supplier and get advice for the best materials for the job. Our team even meticulously uses different variants of primer for specific types of hardwood. 
Our team gets around this problem by patching the holes with the screed and the flute to make a smooth, even surface.
Upon inspection, we always consult with the builder or the homeowner to highlight this problem before waterproofing. We are also able to build a proper fall with screed, and apply the waterproof once dry. 



Before You Choose a Tiler

Not all tilers in Melbourne can give you the same results. Here are some must-knows before waterproofing your home.


Remember, Waterproofing and Tiling are Two Different Trades.

While many tilers in Melbourne can do waterproofing, not all can do it properly.



Always Look for a Waterproofing Certificate.

A waterproofing certificate is like a warranty or waterproofing assurance. Unique Tiling Concepts is a qualified and certified waterproofing company.



Understanding Your Environment.

Know the difference between external and internal areas, as well as areas exposed to the sun or which have consistent water and moisture. You should not use the same waterproofing for all areas.



Product and Material Knowledge.

Different areas require specific and unique materials. For example, water-based waterproofing is ideal for internal bathrooms but not ideal for sun exposure. Our team can guide you through these waterproof and primer products.



Check your Surface.

An ideal surface for waterproofing should be smooth, ground well off, and have the proper fall to drain.



Step-by-Step: Our Foolproof Waterproofing Process

Consultation & Scope

Consultation & scope

We’ll work with you and your team to understand the project’s scope. This includes understanding your process, schedules, and whether there are other tradesmen involved.

Resource Allocation

Resource allocation

We’ll organise our workload internally and arrange our tile stock with our suppliers. This ensures you get enough people and tiles on site with no delays.

Work Planning

Work planning

We’ll schedule our tiling work for your specific project and communicate it with you. This includes surface preparation, layout planning, adhesive application, grouting, and project finishing.

Pre-work Checks

Pre-work checks

Before starting your project, we will conduct checks to ensure we have enough materials and tools to maintain an ongoing and consistent tiling process without hiccups.

Trusted by Builders and Homeowners

We deliver quality and timely results, no matter the project type. See our projects and solutions for different clients.

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Builders and Designers

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Bathroom Renovators

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Owner–Builders

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Our Recent Works in Melbourne

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Frequently Asked Questions

We make sure every project begins with a comprehensive assessment of your space so we can provide the right waterproofing solution. This includes:

  • Sending a qualified waterproofing specialist for an on-site inspection and consultation.
  • Ensuring all work complies with AS 3740 (internal wet areas) and AS 4654 (external waterproofing).
  • Checking the substrate, materials, and any conditions that could impact waterproofing.
  • Identifying issues such as poor drainage, incorrect falls, or missing movement joints.
  • Tracking water paths in areas where moisture flow isn’t immediately clear.
  • Advising you on the correct selection of tiles, grout, and materials based on the environment (balconies, bathrooms, outdoors, etc.).

Yes. Our waterproofing materials differ from project to project. These include: 

  • Primers selected specifically for the surface and climate.
  • Cement sheets or waterproofing sheets (especially for timber substrates).
  • Polyurethane sealant guns to reinforce wall-to-floor junctions and critical points.
  • Mapei waterproofing band for additional protection over joints and corners.
  • Heat guns to speed up curing in cold or moisture-prone areas.
  • Mesh reinforcement, ideal for balconies to help the membrane bond and spread evenly.
  • Fibreglass layers for long-term water resistance in high-exposure areas.
  • The right membrane system, chosen based on the environment (internal wet areas, balconies, rooftops, planter boxes, etc.)

We take quality control very seriously. Our checks include: 

  • Full visual inspection of the substrate, drainage direction, and overall application.
  • Ensuring membranes are applied in a cross (+) pattern to guarantee full coverage.
  • Confirming that two complete layers of membrane are applied with the correct curing time between coats.
  • Checking for pinholes, thin spots, uneven areas, or missed patches.
  • Measuring membrane thickness after drying to ensure it meets the required levels.
  • Reviewing joints, corners, and movement points for proper sealing.
  • Providing manufacturer-backed warranties. Mapei and Ardex systems typically offer 10 to 20-year warranties when applied correctly.
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Call us at 0469 068 460 to learn more, or contact us
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