From a single leaking brick wall to a full pool re-waterproof, we do it properly the first time across Wahroonga – licensed, certified and guaranteed for 7 years.
Wahroonga NSW 2076
Need dependable waterproofing in Wahroonga? Our licensed team provides expert Wahroonga waterproofing for houses, apartments, townhouses and commercial buildings. We repair leaking brick walls, pools, bathrooms and more using proven membrane systems, with every job backed by a written 7-year warranty.
Homes and buildings in Wahroonga – large heritage homes on leafy blocks to apartments – all rely on waterproofing that’s hidden under tiles, screeds and coatings. When it fails, the first sign is usually a stain, a musty smell or a loose tile, and by then water has often been escaping for months.
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.
Every waterproofing service is available in Wahroonga. Brick Wall, Pool, Bathroom and Rooftop waterproofing get our closest attention, because they’re the jobs Wahroonga property owners call us for most.
Brickwork
Solid brick walls can draw moisture up from the ground or let rain through, causing flaking paint, salt deposits and musty rooms. We treat and seal brick walls, parapets and chimneys in Wahroonga so moisture stays out of the masonry.
Backyard pools
Pools lose water through cracked shells, failed construction joints and leaking fittings. We find which one it is, repair it properly and apply a pool-grade membrane suited to constant immersion and chlorinated water.
Bathrooms
Showers leak when the membrane is cracked, missing at the hob or wall junction, or wasn’t sealed around the floor waste. In Wahroonga we test, trace and repair the actual failure point – then re-waterproof to AS 3740 so the repair lasts as long as the tiles.
Rooftops
Roof leaks rarely come from the middle of the roof – they start at upstands, outlets, penetrations and junctions with walls. We detail every one of these properly, then apply a roof membrane that can handle Sydney’s heat, UV and heavy downpours.
Balconies, terraces and courtyards re-membraned at door sills, drains and balustrades so water stops reaching rooms and ceilings below.
Below-ground waterproofing for new builds and remedial seepage repairs in existing basements and garages.
We line and seal box gutters, sumps and outlets so heavy storms drain away instead of overflowing into the building.
Lift pits waterproofed to stop seepage, standing water and corrosion that can damage lift equipment and trigger costly call-outs.
Laundry floors, tub areas and wall junctions sealed so constant moisture doesn't damage floors, skirting or the room next door.
Floor waterproofing for homes, units and businesses, applied with the right primer and system for concrete, screed or timber subfloors.
Shower leaking but tiles still solid? Resin injected through the grout lines can seal it in a day, without a full renovation.
Garden beds built against walls and over slabs are a common hidden leak. We waterproof and drain them properly.
Before any work is quoted, we pinpoint where the water is coming from – saving you from paying to fix the wrong thing.
Every Wahroonga job is done under Waterproofing Licence 36763C, so the work is recognised by insurers, certifiers and strata committees.
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.
Wet areas are waterproofed to AS 3740 and outdoor areas to AS 4654, and you receive a compliance certificate when we finish.
We work for homeowners, landlords, builders, strata managers and businesses across Wahroonga and nearby suburbs.
A free written quote that explains what’s wrong, the system we’ll use and the price – no surprises when the job is done.
Our waterproofing comes with a 7-year written warranty – long after the tiles go down, we still stand behind the work.
Spotted any of these at your Wahroonga home, unit or business? Call us before a small leak becomes a big repair.
Rising or penetrating damp is getting into the masonry.
Efflorescence means water is moving through the masonry.
More loss than evaporation usually means a failed membrane or joint.
The bond has failed because the bed underneath is wet.
Water is sitting behind tiles or inside the wall cavity.
Box gutters or roof outlets can’t cope and spill inside.
How every waterproofing job in Wahroonga runs, from first call to final certificate.
We visit your Wahroonga 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.
Our licensed waterproofers service all of Wahroonga and the wider upper North Shore. Wherever you are in the suburb, we can inspect, quote and complete the job with minimal disruption.
AB Sydney Waterproofing 24 Copeland St, Liverpool NSW 2170 0449 725 455 avo.bghdoean@gmail.com
Yes. We waterproof large heritage homes on leafy blocks to apartments throughout Wahroonga NSW 2076 and the surrounding upper North Shore. Call 0449 725 455 to book a free inspection.
Yes. We find where the moisture is coming from and treat and seal the brickwork with a system suited to the wall’s age and type.
If you’re topping up much more often than usual in mild weather, or notice damp ground, cracks or loose tiles around the pool, it’s worth an inspection.
Yes. All work is carried out under Waterproofing Licence 36763C, and we’re happy to show it on site. A licensed waterproofer matters for insurance claims, strata approvals and selling your property.
Yes. We inspect the leak, explain what’s causing it and give you a written quote at no cost and with no obligation.
What happens when waterproofing fails – and how to avoid the cost.
Read MoreHow a pool membrane protects the shell, paving and the ground around your pool.
Read MoreStains, smells and loose tiles – what they mean and when to call a waterproofer.
Read MoreLicensed waterproofers – free inspection, written quote and a 7-year warranty.
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