Professional bathroom and laundry waterproofing for homes, units and businesses in Green Valley. Licensed team, written quotes and a 7-year warranty on every job.
Green Valley NSW 2168
Need dependable waterproofing in Green Valley? Our licensed team provides expert Green Valley waterproofing for houses, apartments, townhouses and commercial buildings. We repair leaking bathrooms, laundrys, balconys and more using proven membrane systems, with every job backed by a written 7-year warranty.
From brick family homes to townhouses and duplexes, the properties we waterproof in Green Valley and across the south-west Sydney vary a lot. What doesn’t change is our approach: inspect carefully, find the cause, and use a membrane system that suits the surface, the exposure and how the space is used.
We waterproof internal wet areas to AS 3740 and external areas to AS 4654, prepare every surface properly before the membrane goes on, and finish with a compliance certificate where required. That’s how we can back our work with a written 7-year warranty.
Every waterproofing service is available in Green Valley. Bathroom, Laundry, Balcony and Pool waterproofing get our closest attention, because they’re the jobs Green Valley property owners call us for most.
Wet areas
Showers leak when the membrane is cracked, missing at the hob or wall junction, or wasn’t sealed around the floor waste. In Green Valley we test, trace and repair the actual failure point – then re-waterproof to AS 3740 so the repair lasts as long as the tiles.
Laundries
Most laundry leaks come from the junction between floor and wall, where water from machines and tubs sits and soaks in. We waterproof the floor and turn the membrane up the walls so water stays contained.
Outdoor areas
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 Green Valley balcony drains properly and stays sealed.
Backyard pools
Re-tiling an older pool is the best time to waterproof it properly. We prepare and repair the shell, apply a pool-grade membrane and seal fittings and joints before your tiler starts.
Remedial roof membranes for homes, apartments and commercial buildings, built to handle UV, heat and heavy downpours.
Below-ground waterproofing for new builds and remedial seepage repairs in existing basements and garages.
Long box gutters overflow inside when their lining fails. We seal gutters and outlets to keep water on the outside.
Lift pits and shafts sealed against groundwater to protect lift equipment and stop corrosion in apartment and commercial buildings.
Concrete and screed floors waterproofed for wet areas, ground floors and commercial spaces where water must stay out of the slab.
Tile injection stops many shower leaks without ripping out the bathroom, so you avoid weeks of renovation.
Planters and garden beds against walls or over slabs waterproofed and drained so roots and water stay where they belong.
Damp brickwork lets water track inside. We treat and seal masonry walls to keep moisture out for good.
Our inspection finds the real source of a leak first, so you only pay to fix what's actually failing.
All work is carried out under Waterproofing Licence 36763C. Ask to see it on site – a licensed contractor protects you, your insurer and your strata.
Stains and damp patches can be metres from the real leak. We track the water back to where it enters before recommending a fix.
Internal wet areas to AS 3740 and external membranes to AS 4654, with a compliance certificate for your records, sale or strata.
One leaking shower or a whole building – we scale the team and schedule to suit, with minimal disruption.
You’ll know the scope and price in writing before we start. The price we quote is the price you pay for that scope.
You get a written 7-year warranty on our workmanship, so you can renovate, rent or sell with confidence.
These are the early warning signs that waterproofing has failed. Catch them early and the repair is usually smaller.
The bond has failed because the bed underneath is wet.
Water is sitting behind tiles or inside the wall cavity.
Water is wicking out of a wet area into the timber next to it.
A bathroom, balcony or roof above is leaking through the slab.
Efflorescence means water is moving through the masonry.
More loss than evaporation usually means a failed membrane or joint.
The same clear four steps on every Green Valley job, large or small.
We visit your Green Valley property and trace the leak to its source.
You get the findings, the fix and the cost in writing.
We clean, repair and prime the substrate, then build up the membrane to the specified thickness.
Wet areas are flood tested where suitable, then certified and covered by our warranty.
We provide waterproofing throughout Green Valley and the surrounding south-west Sydney. Our team travels from our Liverpool base and works across Sydney every week, so inspections are easy to arrange.
AB Sydney Waterproofing 24 Copeland St, Liverpool NSW 2170 0449 725 455 avo.bghdoean@gmail.com
Yes. We waterproof brick family homes to townhouses and duplexes throughout Green Valley NSW 2168 and the surrounding south-west 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.
Most shower and balcony repairs take a few days including curing time; tile injection is usually done in a day. Larger roofs, basements and strata jobs are scheduled in stages – we’ll give you a timeframe with your quote.
All our waterproofing is backed by a written 7-year warranty, and wet-area work comes with a compliance certificate for your records.
The most common reasons showers and bathrooms leak, and the early warning signs to look for.
Read MoreThe quiet signs a laundry is leaking, and how to fix it properly.
Read MoreWhy balconies fail at the door sill, drain and balustrade, and how the right membrane stops it.
Read MoreBook a free inspection and written quote from licensed waterproofers.
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