Brisbane · 4km from Murarrie

Waterproofing in Coorparoo

Coorparoo is post-war homes and a steady run of bathroom renovations. The common job is a wet area waterproofed to AS 3740 before the tiler comes back, certified so the renovation signs off.

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No travel surcharge. Coorparoo is within 30km of Murarrie.

Local waterproofing in Coorparoo

What changes the job out here.

Serving Coorparoo and the surrounding streets

Larger map

Established post-war and interwar homes, many mid-renovation, where the wet area has to be done to AS 3740 and certified for the build approval.

→Bathroom and ensuite renovations to AS 3740, certified
→Older shower recesses leaking at the junctions, remedial work
→Standard suburban blocks, straightforward access

What we waterproof

Every kind of waterproofing, available in Coorparoo.

Internal wet areas, balconies and decks, roofs and podiums, basement and retaining tanking, remedial leak repair, and planters. Each one priced by the m² after a site inspection, built to AS 3740 or AS 4654, flood-tested and certified.

Internal Wet Area Waterproofing

Bathrooms, ensuites and laundries waterproofed to AS 3740, the membrane system and the coats named on the quote, then tested and certified.

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Balcony & Deck Waterproofing

Above-ground balconies and decks waterproofed to AS 4654, with the fall to drain and the upturns detailed right so water leaves instead of pooling.

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Roof & Podium Waterproofing

Exposed and buried membranes on roofs, podium decks, planters and trafficable terraces to AS 4654, in the system that suits the exposure and the traffic.

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Basement & Retaining Wall Tanking

Below-ground tanking for basements and retaining walls, built to hold back negative water pressure instead of just painting over the damp.

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Remedial Leak Repair

Leak diagnosed first, then a shower re-seal or membrane make-good, so we fix the cause once rather than seal over it and watch it leak again.

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Planter Box & Water Feature Waterproofing

Planter boxes, ponds and water features tanked and detailed so constant standing water and root pressure do not find their way into the structure.

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Proof · recent work

Recent work across Brisbane.

The same Murarrie strata balcony before remediation, with tiles bubbling along the cove and efflorescence staining the wall below — **Failed strata balcony re-membraned to AS 4654, Murarrie.** A second-floor strata balcony in Murarrie, the tiles staining the wall below and the falls ponding. Stripped to the substrate, the fall corrected, the upturns and the drainage detailed, re-membraned to AS 4654 and certified.

A finished AS 4654 strata balcony in Murarrie, the fall to drain corrected and the cove detailed under the door threshold — **Failed strata balcony re-membraned to AS 4654, Murarrie.** A second-floor strata balcony in Murarrie, the tiles staining the wall below and the falls ponding. Stripped to the substrate, the fall corrected, the upturns and the drainage detailed, re-membraned to AS 4654 and certified.

The same Newstead bathroom before, the original wet area tired with cove staining, lifted silicone and a back-fall away from the drain — **Newstead high-rise wet areas, six bathrooms to AS 3740, Newstead.** A six-apartment refit in a Newstead high-rise, every bathroom waterproofed to AS 3740 with bond breakers detailed and each one flood-tested before the tiler returned, certificates handed over for the body corporate.

A finished AS 3740 internal wet area in a Newstead high-rise apartment, the floor sloping cleanly to a tiled-in linear drain — **Newstead high-rise wet areas, six bathrooms to AS 3740, Newstead.** A six-apartment refit in a Newstead high-rise, every bathroom waterproofed to AS 3740 with bond breakers detailed and each one flood-tested before the tiler returned, certificates handed over for the body corporate.

The same Hamilton Queenslander roof before, with a cracked galvanised flashing, lifted seal and rust-streaked staining down the parapet — **Hamilton Queenslander, roof flashings and parapet to AS 4654, Hamilton.** An older Hamilton Queenslander with a leaking flat-roof addition and weeping parapet, the flashings reworked and the parapet capped with a liquid membrane to AS 4654, the staining inside dry through a full wet season.

A finished AS 4654 parapet flashing detail on an older Hamilton Queenslander, the upstand reworked and capped — **Hamilton Queenslander, roof flashings and parapet to AS 4654, Hamilton.** An older Hamilton Queenslander with a leaking flat-roof addition and weeping parapet, the flashings reworked and the parapet capped with a liquid membrane to AS 4654, the staining inside dry through a full wet season.

Reviews

What Coorparoo owners say.

★★★★★

“Three quotes, and Sealline was the only one that traced where the water was actually coming from before quoting. The stain was nowhere near the leak. They stripped the ensuite, re-membraned it to AS 3740, flood-tested it and gave us the certificate. Dry for a year now.”

— Sarah M., Coorparoo

via Google · Mar 2026

Local questions

Waterproofing in Coorparoo, answered.

Do you charge extra to come to Coorparoo?

No. Coorparoo is within 30km of our Murarrie base, so there is no travel surcharge. The site inspection and the by-the-m² quote are the same whether you are around the corner or at the edge of the radius.

How soon can you look at my leak in Coorparoo?

We aim to be on site for an inspection within 48 hours, faster for an active leak, and to have the written quote back to you within one business day of inspecting. The job itself depends on the membrane system, the drying and curing times, and any strip-out, and we give you a realistic window on the quote. A wet area is usually a one to three day job once we start, and curing between coats sets the pace, not us.

Will the membrane actually hold around Coorparoo?

Only if it is built to the Standard, which is exactly what we do. We check the substrate and the falls on the inspection, prep and prime, detail the bond breakers and the upturns, apply the coats AS 3740 or AS 4654 asks for, then flood-test before anything goes on top. A single-coat surface seal leaks again within a couple of summers, so the membrane workmanship is the part our 10-year warranty covers.

Can you work with our body corporate or strata in Coorparoo?

Yes. We do a lot of podium decks, planters and balcony remediation on body-corporate and strata buildings, where a committee or a building manager has to sign off the system, the staging and the cost. We give you a clear itemised quote you can put in front of the committee, name the work to AS 4654, coordinate access around residents, and hand over the compliance certificate, so the approval and the sign-off are the easy part.

Where we work

Other areas across Brisbane.

Murarrie Bulimba New Farm Coorparoo Paddington Chelmer Wynnum Carindale Kenmore Newstead Hamilton

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✓ QBCC Licensed Waterproofing✓ Accredited membrane applicator✓ Licensed & insured✓ 160 five-star reviews✓ 10-year membrane workmanship

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