From a single leaking bathroom to a full balcony re-waterproof, we do it properly the first time across Miranda – licensed, certified and guaranteed for 7 years.
Miranda NSW 2228
Need dependable waterproofing in Miranda? Our licensed team provides expert Miranda waterproofing for houses, apartments, townhouses and commercial buildings. We repair leaking bathrooms, balconys, pools and more using proven membrane systems, with every job backed by a written 7-year warranty.
Like much of the Sutherland Shire, Miranda is a mix of units and townhouses to family homes. 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.
We offer the full range of waterproofing in Miranda, with particular focus on bathroom, balcony, pool and basement work – the areas where water causes the most damage when membranes fail.
Showers & en-suites
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.
Terraces
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 Miranda balcony drains properly and stays sealed.
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.
Retaining walls
Water pressure behind a wall never stops, so below-ground waterproofing has to be continuous – walls, slab and the joint between them. We seal construction joints and penetrations, then apply a membrane designed for constant moisture.
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.
Lift pits waterproofed to stop seepage, standing water and corrosion that can damage lift equipment and trigger costly call-outs.
Laundries leak quietly behind machines and tubs. We waterproof the floor and walls properly so the problem doesn't come back.
Remedial floor membranes for wet areas, ground-floor slabs and commercial floors, matched to the substrate so water can't move through.
Tile injection stops many shower leaks without ripping out the bathroom, so you avoid weeks of renovation.
Planter boxes and podium gardens lined with root-resistant membranes and proper drainage so they don't leak into walls or car parks.
Brick walls, parapets and chimneys sealed against rising and penetrating damp to stop salt damage, flaking render and mould inside.
Before any work is quoted, we pinpoint where the water is coming from – saving you from paying to fix the wrong thing.
We hold Waterproofing Licence 36763C and put our name to every membrane we install – no unlicensed subcontractors.
We follow AS 3740 inside and AS 4654 outside, and hand over the paperwork your certifier, insurer or buyer will ask for.
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 Miranda 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.
Water damage gets more expensive the longer it runs. If you notice any of these, book a free inspection.
The bond has failed because the bed underneath is wet.
Water is sitting behind tiles or inside the wall cavity.
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.
Groundwater is getting past below-ground walls or joints.
The same clear four steps on every Miranda job, large or small.
We visit your Miranda property and trace the leak to its source.
A written, itemised quote with no obligation.
Proper preparation first – cracks repaired, corners and joints reinforced – then the membrane goes on.
We test, hand over the compliance certificate and register your 7-year warranty.
From homes and units to commercial buildings, we cover every part of Miranda NSW 2228 and the surrounding Sutherland Shire. 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 Miranda 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.
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 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. Wet-area waterproofing comes with a compliance certificate to AS 3740, and every job is covered by our written 7-year warranty.
The most common reasons showers and bathrooms leak, and the early warning signs to look for.
Read MoreWhy balconies fail at the door sill, drain and balustrade, and how the right membrane stops it.
Read MoreFalling water levels, cracks and damp paving – the signs your pool is leaking.
Read MoreLicensed waterproofers – free inspection, written quote and a 7-year warranty.
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