Leaking balcony, basement or bathroom? We find the real cause and fix it with the right membrane – licensed, with a free inspection and a 7-year warranty.
Epping NSW 2121
Looking for a professional waterproofing service in Epping? AB Sydney Waterproofing are experts in providing reliable residential, strata and commercial waterproofing across Epping NSW 2121. As licensed waterproofers in Epping, we find the real cause of every leak and fix it with long-lasting membranes – backed by a free inspection and a written 7-year warranty.
Properties across Epping and the wider northern suburbs range from high-rise apartments near the station to large family homes. Each brings its own waterproofing challenges – older wet areas built before modern membranes were required, outdoor areas exposed to sun and storms, and below-ground walls that hold back wet soil.
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.
From inside the bathroom to the roof and below ground, we waterproof it all in Epping. These four services are the ones we’re asked for most often.
Outdoor areas
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.
Basements
Basements, garages and retaining walls hold back wet soil every day. Without a working membrane and drainage, water pushes through walls, slabs and joints. We waterproof Dincel, block and retaining walls on new builds in Epping and repair seepage in existing basements.
Wet areas
A failed shower membrane lets water into the floor, wall frames and the room or unit below – often for months before you see a stain. We repair leaking showers and waterproof new and renovated bathrooms in Epping to AS 3740, sealing floor wastes, corners and wall junctions properly.
Backyard pools
If you’re topping up the pool far more than usual, water is probably escaping through cracks, joints or a failed membrane. We find the leak, repair the shell and re-waterproof pools in Epping – and waterproof new concrete pools before tiling.
Flat concrete roofs and roof decks re-membraned so they shed water instead of ponding and leaking into the floor below.
We line and seal box gutters, sumps and outlets so heavy storms drain away instead of overflowing into the building.
Positive and negative-side membranes for lift pits that sit below the water table, on new builds or as a remedial fix.
A properly sealed laundry floor and upturn protects floors, walls and neighbouring rooms from washing machine and tub leaks.
Floor waterproofing for homes, units and businesses, applied with the right primer and system for concrete, screed or timber subfloors.
Epoxy resin injected under existing tiles seals a leaking shower without demolition – a faster, lower-cost fix when the tiles are still sound.
Planters and garden beds against walls or over slabs waterproofed and drained so roots and water stay where they belong.
External brick walls, parapets and chimneys treated against damp and salt so moisture stops reaching the inside of the building.
Our inspection finds the real source of a leak first, so you only pay to fix what's actually failing.
We hold Waterproofing Licence 36763C and put our name to every membrane we install – no unlicensed subcontractors.
From a single bathroom to a full apartment block or commercial roof, we plan work around residents, tenants and business hours.
Our free quote spells out the problem, the solution and the cost, so you can decide with all the facts.
Every job in Epping is backed by a written 7-year warranty. If something isn’t right, we come back and fix it.
We test and trace the leak first, so the quote covers what’s actually failing – not guesswork.
We follow AS 3740 inside and AS 4654 outside, and hand over the paperwork your certifier, insurer or buyer will ask for.
Water damage gets more expensive the longer it runs. If you notice any of these, book a free inspection.
A bathroom, balcony or roof above is leaking through the slab.
Efflorescence means water is moving through the masonry.
Groundwater is getting past below-ground walls or joints.
Water is passing through the wall instead of draining behind it.
The bond has failed because the bed underneath is wet.
Water is sitting behind tiles or inside the wall cavity.
Clear, careful and fully certified – our process for every Epping property.
We visit your Epping 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.
From homes and units to commercial buildings, we cover every part of Epping NSW 2121 and the surrounding northern suburbs. 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
Yes – we work across Epping and nearby suburbs every week, for homeowners, landlords, builders and strata managers. Call 0449 725 455 to arrange a free inspection.
Most balcony leaks start at the door sill, the drain or the balustrade fixings, where the membrane has cracked or was never properly detailed. We find the failure point and re-waterproof the balcony properly.
Yes. We waterproof block and Dincel retaining walls before backfill and coordinate with your builder so the membrane and drainage go in at the right stage.
Yes – we hold Waterproofing Licence 36763C. Using a licensed contractor protects you if you need to make an insurance claim, get strata approval or sell the property.
Yes. We inspect the leak, explain what’s causing it and give you a written quote at no cost and with no obligation.
Why balconies fail at the door sill, drain and balustrade, and how the right membrane stops it.
Read MoreWhat happens when waterproofing fails – and how to avoid the cost.
Read MoreThe most common reasons showers and bathrooms leak, and the early warning signs to look for.
Read MoreTalk to a licensed waterproofer today – free inspection and written quote.
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