Certified membranes, honest advice and a written 7-year warranty. We waterproof balconys, bathrooms and pools across Cronulla and nearby suburbs.
Cronulla NSW 2230
Looking for a professional waterproofing service in Cronulla? AB Sydney Waterproofing are experts in providing reliable residential, strata and commercial waterproofing across Cronulla NSW 2230. As licensed waterproofers in Cronulla, 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 Cronulla and the wider Sutherland Shire range from beachside apartment blocks and units to 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.
We offer the full range of waterproofing in Cronulla, with particular focus on balcony, bathroom, pool and rooftop work – the areas where water causes the most damage when membranes fail.
Terraces
Balconies fail at the door sill, the drain and the balustrade fixings. Once water gets past the membrane it stains the ceiling below, lifts tiles and leaves white efflorescence on the soffit. We strip and re-waterproof balconies in Cronulla with UV-stable external membranes to AS 4654.
Showers & en-suites
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 Cronulla to AS 3740, sealing floor wastes, corners and wall junctions properly.
Pools & spas
A pool membrane protects more than the water level – it stops water soaking into the surrounding ground, paving and structure. We waterproof concrete pools and spas with flexible systems suited to constant immersion and pool chemicals.
Roofs & decks
From apartment rooftops to commercial roof decks and roof gardens, we install trafficable and non-trafficable membranes to suit how the roof is used, with box gutters and outlets sealed as part of the job.
Below-ground waterproofing for new builds and remedial seepage repairs in existing basements and garages.
Box and eaves gutters re-membraned so storm water runs off the roof instead of spilling into walls and ceilings.
Positive and negative-side membranes for lift pits that sit below the water table, on new builds or as a remedial fix.
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.
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.
Every Cronulla job is done under Waterproofing Licence 36763C, so the work is recognised by insurers, certifiers and strata committees.
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 Cronulla 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.
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.
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.
The bond has failed because the bed underneath is wet.
Water is sitting behind tiles or inside the wall cavity.
More loss than evaporation usually means a failed membrane or joint.
Box gutters or roof outlets can’t cope and spill inside.
Clear, careful and fully certified – our process for every Cronulla property.
We visit your Cronulla property and trace the leak to its source.
A clear quote with the cause, the system and the price.
Surfaces prepared and primed, then the right membrane applied at full thickness.
Flood tested where suitable, with a compliance certificate and 7-year warranty.
From homes and units to commercial buildings, we cover every part of Cronulla NSW 2230 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 waterproof beachside apartment blocks and units to family homes throughout Cronulla NSW 2230 and the surrounding Sutherland Shire. Call 0449 725 455 to book a free inspection.
Yes. We inspect and quote for owners’ corporations, coordinate access with residents and provide warranties and certificates for the strata records.
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. 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.
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.
Why balconies fail at the door sill, drain and balustrade, and how the right membrane stops it.
Read MoreStains, smells and loose tiles – what they mean and when to call a waterproofer.
Read MoreHow a pool membrane protects the shell, paving and the ground around your pool.
Read MoreBook a free inspection and written quote from licensed waterproofers.
