Bathroom & Shower Waterproofing Melbourne, VIC

 

Professional bathroom, toilet, shower, and laundry waterproofing services across Melbourne, VIC.

We provide fully certified waterproofing solutions backed by written warranties and completed in accordance with Australian Standards.

 

Reliable Waterproofing for Bathrooms, Showers & Wet Areas

When building or renovating a home, it’s easy to focus on visible features such as paint colours, tiles, lighting, and fixtures. However, protecting the structure beneath the surface is just as important.

Bathrooms, showers, toilets, laundries, and other wet areas require professional waterproofing to prevent water damage, leaks, mould growth, and structural deterioration. Proper waterproofing is essential for compliance with Australian Standard AS 3740 – Waterproofing of Domestic Wet Areas.

At Bathroom & Shower Waterproofing Melbourne, VIC, we specialise in protecting wet areas with high-quality waterproof membranes and proven waterproofing systems that are designed for long-term durability.

 

Our Waterproofing Services

We provide complete waterproofing solutions for:

  • Bathrooms

  • Showers

  • Toilets

  • Laundries

  • Ensuite bathrooms

  • Wet areas in new builds and renovations

  • Leak detection and shower repairs

Our experienced team applies protective waterproof membranes beneath floors and walls to prevent water penetration and structural damage.

 

Certified & Compliant Waterproofing

All work is completed to meet Australian Standards, and we provide:

  • Waterproofing certificates

  • Written warranties

  • Fully licensed and insured services

  • High-quality waterproofing membrane systems

  • Eco-friendly products wherever possible

We take every step to identify and eliminate moisture risks before they become expensive problems.

 

Leaking Shower Repairs

A leaking shower can quickly damage surrounding walls, flooring, and adjoining rooms.

Our shower leak repair specialists work quickly and efficiently to identify the source of the leak and provide lasting repairs. Whether the issue is caused by damaged grout, failed seals, cracked tiles, or deteriorated waterproofing, we’ll restore your shower to proper working condition.

Our leaking shower repair services help keep your bathroom dry, safe, and functional.

 

Bathroom Renovations & Makeovers

Transform your bathroom with our professional bathroom renovation services.

We work closely with homeowners to design stylish, practical, and functional bathrooms tailored to their needs. From fixture upgrades to complete bathroom remodels, our experienced team manages every stage of the renovation process with attention to detail and quality workmanship.

Whether you want to modernise your bathroom, improve functionality, or completely redesign the space, we deliver results that exceed expectations.

 

Why Choose Us?

  • Years of industry experience

  • Licensed and insured waterproofing specialists

  • 10-year written warranty available

  • Australian Standards compliant

  • Premium waterproofing products and materials

  • Reliable workmanship and customer service

  • Modern waterproofing techniques and systems

At Bathroom & Shower Waterproofing Melbourne, VIC, we take waterproofing seriously. Our goal is to deliver long-lasting protection using trusted products, experienced tradespeople, and proven installation methods.

Before you install tiles, tapware, or fixtures in your bathroom or laundry renovation, make sure qualified professionals complete your waterproofing.

 

Contact Bathroom & Shower Waterproofing, Melbourne, VIC

Protect your property with professional waterproofing services you can trust.

Contact our team today for expert advice, leak repairs, bathroom waterproofing, shower waterproofing, and bathroom renovation services throughout Melbourne, VIC.

 

Bathroom shower waterproofing is the process of creating a sealed barrier behind tiles and around the shower area to stop water leaking into walls, floors, and surrounding rooms. It’s one of the most important parts of a bathroom build or renovation.

Common Shower Waterproofing Systems

  1. Liquid Membrane

    • Painted or rolled onto walls/floors

    • Flexible and seamless

    • Most common in residential bathrooms

  2. Sheet Membrane

    • Pre-formed waterproof sheets bonded to surfaces

    • Very reliable when installed correctly

    • Often used in high-end or commercial work

  3. Foam Backer Boards

    • Waterproof tile backing panels

    • Used instead of cement board/plasterboard

Areas That Must Be Waterproofed

In a typical shower:

  • Entire shower floor

  • Shower walls (usually up to 1800–2100 mm high)

  • Corners and wall/floor junctions

  • Around taps and plumbing penetrations

  • Hob/curb and niches

  • Bathroom floor outside shower (varies by local code)

Typical Waterproofing Build-Up

A common tiled shower system looks like:

  1. Structural wall/floor

  2. Cement sheet or suitable substrate

  3. Primer

  4. Waterproof membrane

  5. Tile adhesive

  6. Tiles

  7. Grout + silicone joints

Key Things That Prevent Leaks

  • Proper fall to the drain (usually 1:80 to 1:100)

  • Waterproofing behind the tiles, not just grout

  • Flexible sealant in corners

  • Correct puddle flange/drain connection

  • No gaps around pipe penetrations

Common Failure Points

  • Cracked grout or missing silicone

  • Waterproofing not bonded to drain

  • Membrane too thin

  • No waterproofing under screed

  • Movement in walls/floor

  • DIY work without proper prep

In Australia (including Victoria)

Bathroom waterproofing must comply with:

  • Standards Australia AS 3740

  • National Construction Code (NCC)

In Victoria, waterproofing in wet areas generally requires a licensed or qualified installer, especially for insurance/warranty purposes.

Cost Guide (Australia)

Approximate ranges:

  • Small shower re-waterproofing: AUD $800–$2,500

  • Full bathroom waterproofing: AUD $1,500–$4,000+

  • Leak repair with tile removal: can be significantly higher

Signs Your Shower Waterproofing Has Failed

  • Damp smell

  • Bubbling paint

  • Loose tiles

  • Water stains on adjacent walls/ceilings

  • Mold growth

  • Cracked silicone/grout

If you want, I can also help with:

  • DIY shower waterproofing steps

  • Best waterproofing products

  • Australian code requirements

  • How to waterproof over existing tiles

  • Cost estimates for your bathroom size

  • Diagnosing a leaking shower without removing tiles