Shower recess waterproofed with a blue membrane
Waterproofing Licence: 36763C

Bathroom & Laundry Waterproofing Guildford – Licensed Local Team

From a single leaking bathroom to a full laundry re-waterproof, we do it properly the first time across Guildford – licensed, certified and guaranteed for 7 years.

  • Licensed waterproofers
  • 7-year warranty
  • Free inspection
  • AS 3740 & AS 4654
Bathroom waterproofing before tiling Guildford NSW 2161
Guildford Waterproofing Specialists

Reliable Waterproofing Solutions for Guildford Properties

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

Like much of the western Sydney, Guildford is a mix of post-war brick and fibro homes to duplexes and walk-up units. 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.

Every job starts with finding out exactly where the water is coming from. We then recommend the simplest fix that will last – whether that’s tile injection, a remedial membrane or a full strip-out – and explain the options clearly before you decide.

Waterproofing Services Guildford

Waterproofing Services in Guildford

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

Shower recess and bathroom floor waterproofed before tiling Showers & en-suites

Bathroom & Shower Waterproofing Guildford

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

Guildford Laundry Waterproofing

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.

  • Membrane to AS 3740
  • Ideal during renovations
  • Stand-alone leak repairs
Laundry waterproofing
Tile injection repair on a leaking shower Tile injection

Leak Repairs Without Removing Tiles

We check the tiles with a simple tap test and inspect the grout lines before recommending injection. If the bond is good, the resin seals the leak path from underneath and the shower can be used again quickly.

  • No demolition or retiling
  • Minimal disruption
  • Ideal for apartments and rentals
Tile injection
Balcony waterproofing membrane applied before new tiles Outdoor areas

Balcony, Terrace & Courtyard Waterproofing

Water should run off a balcony, not sit on it. We check falls, outlets and thresholds first, fix any ponding, then apply a flexible external membrane with reinforced corners and properly sealed upstands – so your Guildford balcony drains properly and stays sealed.

  • Balconies, terraces and courtyards
  • External membranes to AS 4654
  • Door sill and drain detailing
Balcony waterproofing

More Waterproofing Services in Guildford

  • Rooftop & Flat Roof Waterproofing

    Remedial roof membranes for homes, apartments and commercial buildings, built to handle UV, heat and heavy downpours.

  • Basement & Dincel Wall Waterproofing

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

  • Box Gutter Waterproofing

    Long box gutters overflow inside when their lining fails. We seal gutters and outlets to keep water on the outside.

  • Lift Shaft Waterproofing

    Lift pits and shafts sealed against groundwater to protect lift equipment and stop corrosion in apartment and commercial buildings.

  • Floor Waterproofing

    Concrete and screed floors waterproofed for wet areas, ground floors and commercial spaces where water must stay out of the slab.

  • Planter Box Waterproofing

    Garden beds built against walls and over slabs are a common hidden leak. We waterproof and drain them properly.

  • Brick Wall Waterproofing

    Brick walls, parapets and chimneys sealed against rising and penetrating damp to stop salt damage, flaking render and mould inside.

  • Swimming Pool Waterproofing

    Concrete pools and spas waterproofed so the shell holds water and the paving and ground around it stay dry.

  • 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 Homeowners & Strata Managers in Guildford Call Us

Fully Licensed Team

Every Guildford job is done under Waterproofing Licence 36763C, so the work is recognised by insurers, certifiers and strata committees.

Clear, Written Quotes

A free written quote that explains what’s wrong, the system we’ll use and the price – no surprises when the job is done.

Backed for 7 Years

Our waterproofing comes with a 7-year written warranty – long after the tiles go down, we still stand behind the work.

We Find the Real Cause

Water rarely shows up where it gets in. A free inspection traces the leak to its source before we quote, so you pay to fix it once.

Certified Work

Wet areas are waterproofed to AS 3740 and outdoor areas to AS 4654, and you receive a compliance certificate when we finish.

Residential to Commercial

We work for homeowners, landlords, builders, strata managers and businesses across Guildford and nearby suburbs.

Know the Warning Signs

Do You Need a Waterproofer in Guildford? Check These Signs

Spotted any of these at your Guildford 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.

  • Damp, peeling paint low on walls

    Rising or penetrating damp is getting into the masonry.

How We Work

From First Call to Leak-Free in Four Steps

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

01

Free Inspection

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

02

Written Quote

A written, itemised quote with no obligation.

03

Prepare & Apply

Proper preparation first – cracks repaired, corners and joints reinforced – then the membrane goes on.

04

Test & Certify

We test, hand over the compliance certificate and register your 7-year warranty.

Service Area

Waterproofers Covering All of Guildford NSW 2161

From homes and units to commercial buildings, we cover every part of Guildford NSW 2161 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 Guildford FAQs

Guildford Waterproofing FAQs

Yes – we work across Guildford and nearby suburbs every week, for homeowners, landlords, builders and strata managers. Call 0449 725 455 to arrange a free inspection.

Often, yes. If the tiles are still well bonded, tile injection seals the leak from underneath without demolition. If the membrane has failed completely, we’ll explain why a strip-out is the better long-term fix.

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.

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.

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

Waterproofing Tips & Guides

Learn More About Waterproofing

View all waterproofing guides

Got a Leak in Guildford?

Licensed waterproofers – free inspection, written quote and a 7-year warranty.