Outdoor courtyard waterproofed beside a family home
Waterproofing Licence: 36763C

Bathroom & Laundry Waterproofing Girraween – Licensed Local Team

Professional bathroom and laundry waterproofing for homes, units and businesses in Girraween. Licensed team, written quotes and a 7-year warranty on every job.

  • Licensed waterproofers
  • 7-year warranty
  • Free inspection
  • AS 3740 & AS 4654
Balcony waterproofing on a two-storey home Girraween NSW 2145
Waterproofing Company Girraween

Reliable Waterproofing Solutions for Girraween Properties

Searching for experienced waterproofers in Girraween? We specialise in waterproofing services in Girraween for homeowners, landlords, builders and strata managers. From bathroom leaks to laundry and balcony repairs, our licensed team gets it right the first time – free inspection, written quote, 7-year warranty.

Like much of the western Sydney, Girraween is a mix of family homes and duplexes to granny flats. Whatever the building, water finds the weakest point – a cracked grout line, a failed door sill, a blocked outlet or an unsealed joint – and the damage often shows up a long way from where the water gets in.

Our process is simple: a free inspection, a clear written quote, proper surface preparation, the right membrane applied at full thickness, and testing and certification at the end. No shortcuts, and no paying twice for the same leak.

Our Services in Girraween

Waterproofing Services in Girraween

We offer the full range of waterproofing in Girraween, with particular focus on bathroom, laundry, balcony and pool work – the areas where water causes the most damage when membranes fail.

Shower recess and bathroom floor waterproofed before tiling Wet areas

Shower Leak Repairs & Bathroom Waterproofing

Most bathroom leaks start at the same few weak points: cracked grout, a poorly sealed floor waste, or a membrane that stops short at the wall. We find exactly where water is escaping and fix it – with tile injection when the tiles are sound, or a new membrane when they’re not.

  • Shower recesses, en-suites and full bathrooms
  • Membrane to AS 3740 with compliance certificate
  • Tile injection when tiles are sound
Bathroom waterproofing
Laundry floor waterproofed with a membrane Laundries

Laundry Waterproofing Girraween

Many older laundries were built with no membrane at all, especially in extensions and converted spaces. We waterproof the floor and wall junctions to AS 3740 during renovations, or as a stand-alone repair.

  • Laundry floor and upturn membranes
  • Sealed wall and floor junctions
  • Extensions and converted spaces
Laundry waterproofing
Balcony waterproofing membrane applied before new tiles Balconies

Balcony Leak Repairs Girraween

A balcony over a living room or garage needs a membrane that handles full sun, heavy rain and movement. We prepare the slab properly, correct falls where needed, and detail every edge, outlet and threshold so water drains away instead of finding its way inside.

  • Balconies, terraces and courtyards
  • External membranes to AS 4654
  • Door sill and drain detailing
Balcony waterproofing
Concrete pool shell prepared for waterproofing Pools

Swimming Pool Waterproofing Girraween

A pool membrane protects more than the water level – it stops water soaking into the surrounding ground, paving and structure. We waterproof concrete pools and spas with flexible systems suited to constant immersion and pool chemicals.

  • Repairs for pools losing water
  • New pool membranes before tiling
  • Spa and plunge pool waterproofing
Pool waterproofing

More Waterproofing Services in Girraween

  • Rooftop & Flat Roof Waterproofing

    Concrete roofs, roof gardens and trafficable decks protected with membranes designed for full sun, heat and heavy rain.

  • Basement & Dincel Wall Waterproofing

    Dincel, block and retaining walls, basement slabs and car parks protected against groundwater and soil moisture.

  • Box Gutter Waterproofing

    We line and seal box gutters, sumps and outlets so heavy storms drain away instead of overflowing into the building.

  • Lift Shaft Waterproofing

    Lift pits waterproofed to stop seepage, standing water and corrosion that can damage lift equipment and trigger costly call-outs.

  • Floor Waterproofing

    Remedial floor membranes for wet areas, ground-floor slabs and commercial floors, matched to the substrate so water can't move through.

  • Tile Injection Waterproofing

    Tile injection stops many shower leaks without ripping out the bathroom, so you avoid weeks of renovation.

  • Planter Box Waterproofing

    Planters and garden beds against walls or over slabs waterproofed and drained so roots and water stay where they belong.

  • Brick Wall Waterproofing

    External brick walls, parapets and chimneys treated against damp and salt so moisture stops reaching the inside of the building.

  • Water Leak Detection

    Our inspection finds the real source of a leak first, so you only pay to fix what's actually failing.

Local, Licensed Waterproofers

Why Girraween Property Owners Choose AB Sydney Waterproofing

Licensed & Accountable

We hold Waterproofing Licence 36763C and put our name to every membrane we install – no unlicensed subcontractors.

7-Year Warranty

Every job in Girraween is backed by a written 7-year warranty. If something isn’t right, we come back and fix it.

Diagnosis Before Quoting

We test and trace the leak first, so the quote covers what’s actually failing – not guesswork.

Built to Code

We follow AS 3740 inside and AS 4654 outside, and hand over the paperwork your certifier, insurer or buyer will ask for.

Homes, Strata & Commercial

From a single bathroom to a full apartment block or commercial roof, we plan work around residents, tenants and business hours.

Upfront Pricing

Our free quote spells out the problem, the solution and the cost, so you can decide with all the facts.

Know the Warning Signs

Do You Need a Waterproofer in Girraween? Check These Signs

Spotted any of these at your Girraween home, unit or business? Call us before a small leak becomes a big repair.

  • Loose, drummy or cracked tiles

    The bond has failed because the bed underneath is wet.

  • Mould, musty smells or black grout

    Water is sitting behind tiles or inside the wall cavity.

  • Swollen skirting or door frames

    Water is wicking out of a wet area into the timber next to it.

  • Stains on the ceiling below

    A bathroom, balcony or roof above is leaking through the slab.

  • White salt on brick or concrete

    Efflorescence means water is moving through the masonry.

  • Pool water level keeps dropping

    More loss than evaporation usually means a failed membrane or joint.

How We Work

How We Waterproof Your Girraween Property

The same clear four steps on every Girraween job, large or small.

01

Free Inspection

We visit your Girraween property and trace the leak to its source.

02

Written Quote

You get the findings, the fix and the cost in writing.

03

Prepare & Apply

We clean, repair and prime the substrate, then build up the membrane to the specified thickness.

04

Test & Certify

Wet areas are flood tested where suitable, then certified and covered by our warranty.

Service Area

Servicing Girraween NSW 2145 & Surrounds

From homes and units to commercial buildings, we cover every part of Girraween NSW 2145 and the surrounding western Sydney. Call to book a free inspection at a time that suits you.

AB Sydney Waterproofing 24 Copeland St, Liverpool NSW 2170 0449 725 455 avo.bghdoean@gmail.com
Shower recess walls and floor waterproofed with a blue membrane by AB Sydney Waterproofing
Still have questions?Call 0449 725 455
Waterproofing Girraween FAQs

Girraween Waterproofing FAQs

Yes. We waterproof family homes and duplexes to granny flats throughout Girraween NSW 2145 and the surrounding western Sydney. Call 0449 725 455 to book a free inspection.

Yes. We apply a certified membrane to AS 3740 before tiling and provide a compliance certificate for your records, your builder and any future sale.

Yes. Laundries are wet areas under AS 3740. Many older laundries have no membrane, so leaks from machines and tubs damage floors and neighbouring rooms.

Yes. We work for homeowners, landlords, builders, owner-builders, strata managers and businesses, and supply the certificates and warranties each of them needs.

Prices vary with the area, access, the condition of the surface and the system required. We inspect for free and give you a written quote, so there’s no guessing before you commit.

Waterproofing Tips & Guides

Waterproofing Guides for Girraween Owners

View all waterproofing guides

Leaking Shower or Balcony in Girraween?

Book a free inspection and written quote from licensed waterproofers.