A close up shot of a professional waterproofer doing his work with the proper tools.
A close up shot of a professional waterproofer doing his work with the proper tools.

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4.2

Great rating - 4.2/5 (11114+ reviews)

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  • Roof waterproofing
  • Bathroom waterproofing
  • Wall waterproofing
  • Tile and floor waterproofing
  • Balcony waterproofing
  • … or anything else
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Recent Waterproofing reviews in NSW

Fantastic work. Good communication.

Leaking shower - needs to be waterproofed

$850

Amazing job done by Adam highly recommend to anyone, very experienced and knowledgeable and goes above and beyond truly! Don’t hesitate to book him now for all your shower leak needs!

Sealing and waterproof

$5

Great service, found out what was needed to fix the leak. Helped find another emergency issue that required an electrician and he even stayed and assisted to help further while waiting for the electrician - went above and beyond. Highly recommend A+

Shower re-grouting/waterproofing needed in upstairs bathroom

$200

Adam is a fantastic communicator and incredible efficient. He is punctual, true to his word and an expert at what he does. He’s also very trustworthy and honest. I had major leaking issues in my shower which affected the adjoining wall and he pulled back the tiles, removed all cement and waterproofed the area, added original tiles and grouted the area as well as waterproofing the walls of the shower with spray.

Waterproofing

$100

I am satisfied with the service. Aiden was prompt, professional, and highly knowledgeable about his craft.

Plumbing and Waterproofing Inspection for Water Mark on the Ceiling

$100

Job done ✅ Can recommend

Regrouting toilet for waterproofing

$450

Average reviews for Waterproofing Services in NSW

based on 45 reviews

4.96

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Top Waterproofing related questions

If you're looking for related services in NSW, some of the most popular on Airtasker right now include Laundry Waterproofing and Wall Waterproofing. Whatever you need done, you can post a task and get offers from local Taskers in NSW.

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Suggested reads about Waterproofing

Recent Waterproofing tasks in NSW

Negative waterproofing

$500

Maroubra NSW 2035, Australia

7th Nov 2026

I require negative membrane or injection for a small section of a basement wall

Plumbing task

$100

Chester Hill NSW 2162, Australia

7th Nov 2026

Have 2 x floor waste 100mm pvc I need someone with a recess tool to install a leak control flange (puddle flange () I only need someone to grind both floor wastes so I can glue it in

Waterproofer/roofer to assess awning installation

$250

Birchgrove NSW, Australia

6th Nov 2026

Independent Roofing/Waterproofing Inspection – Birchgrove NCAT has ordered Wynstan Designs Pty Ltd to install two fixed steel awnings at my Birchgrove home. I seek a licensed, experienced roofer or waterproofer to independently observe the installation. Scope: 1. Bring a measuring tape to verify dimensions, projections and positioning against contract specifications. 2. Observe masonry drilling, penetrations, fixings, wall junctions, flashing and waterproofing. 3. Assess weather and masonry moisture suitability for installation and sealing. 4. Observe silicone application, including surface preparation, adhesion and curing requirements under manufacturer specifications. 5. Identify apparent workmanship defects or departures from relevant Australian Standards and accepted practices. 6. Photograph key stages, particularly fixings and waterproofing before concealment. 7. Provide a brief written report with photographs and any concerns. IMPORTANT: This is strictly an observational role. Do not direct, supervise, interfere with or obstruct Wynstan’s installer. Wynstan remains responsible for the work. Any concerns should be documented and reported to me. Please provide your licence details, relevant experience, availability and fee.

Concrete roof waterproofing

$1,500

Hunters Hill NSW 2110, Australia

6th Nov 2026

X80 40mm holes drill into concrete slab of a double story roof. Concrete duplex with flat roof multiple small penetrations need waterproofing

Need Waterproof Expert to waterproof my bathroom

$300

Ashcroft NSW 2168, Australia

6th Nov 2026

Need Waterproof Expert to do this job. Waterproof areas: - Shower area (3 walls) up to 1.8 or 2m tall - Around toilet, sink, laundry tub water points No need for floor waterproofing as it already completed and tile. Once this task is completed, the surface must be in ready surface for tiling.

Help with waterproofing outside area

$345

Central Coast NSW 2250, Australia

5th Nov 2026

help with waterproofing a corner outside. roughly 3x4m, all materials provided - liquid membrane + rubber... you should have experience with waterproofing before... not a big job, but might require two trips.

Waterproofing patio

$5,000

Tweed Heads NSW 2485, Australia

5th Nov 2026

Waterproof a sandstone deck

Balcony leaking – remove tiles, re-waterproof & retile

$3,500

Frenchs Forest NSW 2086, Australia

5th Nov 2026

Open-air balcony, approx. 5.5m x 3m. The waterproofing has failed, and rain is leaking into the living room below. Scope: Remove existing tiles and bedding Apply new waterproofing membrane (to Australian Standard), incl. upturns at walls and around the drain Retile with correct falls to the drain Looking for a licensed waterproofer/tiler. Please quote including materials, and let me know your earliest start date. A waterproofing certificate on completion would be appreciated. I have drawings and videos of the balcony and the leak, happy to send them so you can quote. Open-air balcony, approx. 5.5m x 3m. The waterproofing has failed, and rain is leaking into the living room below. Scope: Remove existing tiles and bedding Apply new waterproofing membrane (to Australian Standard), incl. upturns at walls and around the drain Retile with correct falls to the drain Looking for a licensed waterproofer/tiler. Please quote including materials, and let me know your earliest start date. A waterproofing certificate on completion would be appreciated. I have drawings and videos of the balcony and the leak, happy to send them so you can quote. Site inspection welcome.

Waterproof certificate

$10

Five Dock NSW 2046, Australia

5th Nov 2026

We had our downstairs laundry and powder room waterproofed (I have photos). Upon trying to contact the older gentlemen that provided the service for my certificate, I found out that he had sadly passed away. I’m after someone who can see the pics I’ve taken, and help me out, thank you. Price can be discussed upon accepting task.

Waterproof

$250

Hunters Hill NSW 2110, Australia

5th Nov 2026

A small part of the roof needs to be waterproofed.

Waterproof 2 old showers

$10

Gymea Bay NSW 2227, Australia

5th Nov 2026

I have 2 showers that leak. The tiles will need to be removed and replaced.

Waterproof small outdoor toilet

$150

Peakhurst NSW 2210, Australia

4th Nov 2026

Waterproof small outdoor toilet room. We already have the roll for the edges, the bucket of waterproof a paintbrush and roller just need a talented person to apply with Preview experience preferred

Grind poly waterproofing off CFC flooring. L1 bathrm. Must leave clean

$300

Lane Cove NSW 2066, Australia

2nd Nov 2026

Remove poly waterproofing from L1 bathroom foor. Flooring is CFC sheeting (not concrete). All waterproofing must be removed. 100% ATTENTION TO DETAIL REQUIRED. Clean-up after is required. Bathroom: 2.2m x 1.4m. Tasker must have all their own tools, equipment and clean up after.

Laundry waterproofed and the floor tiled. Laundry is 3.2m x 2m

$800

Dundas NSW 2117, Australia

30th Oct 2026

I need a shower hob and floor waterproofed and tiled

Shower waterproofing

$250

Bellevue Hill NSW 2023, Australia

14th Oct 2026

1. Shower waterproof seal needs replacing around recess outline - started one side, just needs completing. 2. Have a couple tiles where the grout has worn away so also just need that filling in. I already have the silicone sealant for the shower that could be used for the job.

An absolute legend, thanks for your help Adam.

Waterproof my shower - water seeps out slowly

$150

Narwee NSW, Australia

8th Aug 2026

I have a standard shower, after a while water starts to seep out from the shower area and on to the bathroom. I think sealing issue of door or borders?

Joseph was great, got the job done quickly and honest job

Shower waterproofing

$50

Casula NSW 2170, Australia

19th Jun 2026

I require a qualified tradesperson to inspect and provide a written quote for repairs relating to a leaking shower. The scope of works includes: - Assessing and waterproofing the shower area to stop the leak. - Repairing water damage to the basement ceiling directly below the bathroom, caused by the shower leak. - Providing a detailed written quote outlining the required repairs and costs. The quote will need to be submitted to my strata manager for approval before any work can commence. Once approved, a suitable date can be arranged to complete the repairs.

Ahmad was punctual, friendly and very informative. Really appreciated him coming on to complete the task.

Waterproof my shower / regrout

$500

Coogee, New South Wales

12th Jun 2026

Need someone experienced to re waterproof the shower and I think grout re-done without damaging the tiles. Please quote for floor only. The walls are fine as is. Dimensions are 95cm x 118cm

Really happy with the work. Some before and after photos attached. Will be sharing Rados details with my neighbours!

Apply waterproofing to outdoor porch and front entry door area

$400

Glenhaven NSW, Australia

10th Jun 2026

Outdoor porch is being getting new tiles - screed is done I want waterproofing such as in picture to be applied total 2mx 2m area as well as entry point of laundry door and front door and pergola door Tiling will happen on top next week 2 coats preferred

Thank you for the excellent work and prompt organisation

Waterproof bathroom

$10

Balgowlah NSW, Australia

1st Jun 2026

Looking a Waterproofer to waterproof a bathroom - bathroom in on the second floor - walls are billboard - floor is scyon - floor area is about 6m2 - there is shower, free standing bath, toilet and vanity going in the bathroom, very standard bathroom - there is pvc angle behind the wall sheeting - there is 2x niches going in the bathroom - need a certificate supplied

Mick did a great job, turned up on time, and gave great advice, highly recommend