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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Best rated waterproofing contractors near me

Recent Waterproofing reviews in NSW

Amazing guys would highly recommend for any repairs!

Waterproofing

$500

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

Michael knows his stuff. Will recommend

Outdoor Wall Waterproofing+Fixing ground gutter

$500

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

Average reviews for Waterproofing Services in NSW

based on 44 reviews

4.95

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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 Wall Waterproofing and Laundry Waterproofing. Whatever you need done, you can post a task and get offers from local Taskers in NSW.

Most customers in NSW receive their first offer from waterproofing contractors within 1 hours of posting. Right now, responses are coming in faster than usual — availability is particularly strong.

To get the best selection of offers, post your task at least 1-2 days before you need the work done. This gives you time to compare waterproofing contractors, check reviews, and ask questions before choosing.

Suggested reads about Waterproofing

Recent Waterproofing tasks in NSW

Strata Waterproofing Job

$4,900

Potts Point-Woolloomooloo NSW, Australia

4th Sep 2026

Temporary Roof Waterproofing / Make Safe Works – Potts Point Budget: under 5k (labour and materials included) Seeking an experienced waterproofing or roofing tasker to carry out temporary make-safe waterproofing works to reduce water ingress into a strata building in Potts Point. These are interim repairs only, intended to protect the building until permanent remedial works commence in a few months. Primarily need to obvious holes in the membrane closed and walls capped. Scope of works * Patch and repair sections of the existing waterproof membrane where waterproofing has deteriorated. * Seal and waterproof parapet walls to prevent further water ingress. * Remove vegetation growing through the parapet wall. * Pressure clean affected areas before applying waterproofing products. Job details * Location: Potts Point, NSW. * Duration: Approximately one week. * Start: ASAP. * Labour, materials and equipment to be supplied by the Tasker and included in the quoted price. Important This is a temporary waterproofing / make-safe job only. It is not a roof replacement or permanent waterproofing system. Please only apply if you have experience with waterproofing, roofing repairs or membrane repairs.

Waterproofing a garden shed using silicone

$175

Avalon Beach NSW 2107, Australia

4th Sep 2026

I’d like my aluminium garden shed (4.5m x 2m) to be water tight. Rain runs between the slab and the shed walls and creates a damp environment inside the shed. I’ll pay for materials on top of the offer. Thanks

He did the perfect job and was polite and professional - highly recommended.

Waterproof membrane tradesmen in Sydney looking for and contacting

$10

Balmain NSW 2041, Australia

4th Sep 2026

Hi, I’m looking for an experienced waterproof membrane contractor who specialises in balcony membrane flooring and general waterproofing works. I work with a number of real estate agencies and property managers and am looking to connect with someone reliable for potential ongoing works moving forward. If you’re interested, please make an offer or get in contact with me and we can discuss the work further. Kind regards, Beau Brown Wilson Roofing

Waterproofing for Bathroom

$1,000

Darlinghurst NSW 2010, Australia

2nd Sep 2026

Bathroom waterproofing — Darlinghurst — licensed only Small bathroom in a strata apartment, 2.5m x 2.0m, first floor. Bath being removed and replaced with a walk-in shower, so the wet area is expanding. Need full membrane to the floor and walls to the heights required under AS 3740, applied to bare substrate after strip-out. Must be licensed. The strata by-laws require a waterproofing compliance certificate to be provided to the owners corporation, so I need your NSW licence number and a certificate on completion. Please don't quote unless you can provide both. Timing mid September, flexible. Please include your licence number, what you'd charge. Photos attached.

Shower waterproofing without removing tiles or grout

$10

Ryde NSW 2112, Australia

31st Aug 2026

I have two showers both are old bathrooms , I don’t want to knock down or re tile. Is there a clear waterproof epoxy that can be painted/sprayed on the existing tiles without regrouting and re -tiling to prevent any water leaks?

Reseal shower (waterproof membrane has failed)

$1,000

Yarrawarrah NSW 2233, Australia

30th Aug 2026

Waterproofing membrane has failed on our shower. Quote on removing grout, regrouting, fixing up edges with the screen, and resealing. Entire shower area to be resealed plus the first tile on the outside of the shower. Have one quote in hand but believe the company is over charging based on previous work.

Independent Waterproofing Expert – Provide Report

$800

Sydney NSW 2000, Australia

30th Aug 2026

Seeking an independent, suitably qualified waterproofing/building expert to inspect remedial waterproofing works at a NSW strata building. Must have experience preparing independent expert reports is important. Looking for experience in waterproofing defects/remediation, NCC requirements, relevant Australian Standards and strata remedial works. Please mention your qualifications, licences/accreditations, relevant experience preparing reports when expressing interest. Further details, photographs and documents can be provided privately. Fee is negotiable.

Waterproofing and tiling 1x bathroom and 1x ensuite (35sqm total)

$6,000

Bondi Beach NSW 2026, Australia

27th Aug 2026

Bathroom & Ensuite Waterproofing + Tiling Required Looking for an experienced and licensed waterproofer/tiler to complete works to a bathroom and ensuite renovation in Bondi. Project Details Waterproofing and tiling required to both bathroom and ensuite Rough-in works have been completed Rendering is being completed tomorrow and surfaces will be ready thereafter Approx. 35m² of tiling in total Wall tiles: 600mm x 1200mm porcelain tiles Floor tiles: 600mm x 600mm porcelain tiles Simple, modern design with minimal cuts and straightforward layout Looking for high-quality workmanship and neat finishing Scope Waterproofing to wet areas (certificate required) Floor and wall tiling Tile trims and finishing Grouting and silicone sealing Please Provide Licence details (where applicable) Examples/photos of recent bathroom tiling projects Availability to start Fixed price quote or estimate Site is ready for inspection if required. Looking for someone reliable with attention to detail who takes pride in their work at a good price

Screed in prep for waterproofing

$1,500

Elizabeth Bay NSW 2011, Australia

27th Aug 2026

Need someone to screed a small bathroom in order to get it waterproofed

Bathroom waterproofing

$1,200

Ultimo NSW 2007, Australia

26th Aug 2026

Water proof bathroom floor and walls, it has a current waterproof but needs certification for compliance. Also, please message to discuss more info.

Ahmad is a professional waterproofer, very efficient, spot on and solved my problem. I’m very happy and satisfied that I gave the task to him. Couldn’t think of someone better to give the job. Highly recommended bloke! More projects for you, Ahmad.

Tradesperson Wanted – Shower Waterproofing/Membrane Repair

$5,000

Casino NSW 2470, Australia

24th Aug 2026

Looking for a qualified tradesperson to inspect and provide a quote to repair a failed shower membrane in a small shower at a local motel in Casino, NSW. Must have: * Current ABN * Appropriate insurance * Experience with shower waterproofing/membrane repairs * Available within the next 1–2 weeks Looking to have someone come out, assess the issue and provide a quote. Please message me if you’re available and interested. Thanks!

Waterproofing and tiling

$8,000

Randwick, New South Wales

24th Aug 2026

We need two bathrooms and two balconies waterproofed and tiled. Need to have proper licensing; we are supplying 600x600 porcelain tiles Bathroom floor areas are 2.8x2m and 2.8x 1.9. We are only planning to tile the floors and shower areas (shower would be 2.4m high and approximately 1m on one wall and 1.2m on the second). External balconies are 1x4.6m and second is 15 square metres. Total area approximately 19.6 for external balconies and 23 square metres internally for bathrooms.

Waterproof retainer wall

$700

Greenacre NSW 2190, Australia

23rd Aug 2026

Need the lower half of the back of a new brick fence waterproofed about 500mm and 26m-28m long. Price includes labour and materials

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

Waterproofing

$80

Sydney NSW, Australia

9th Apr 2026

Large waterproofing job and need experienced waterproofers

Easy to work with.

Waterproofing bathroom and laundry

$1,000

Liverpool NSW, Australia

8th Mar 2026

Waterproof bathroom and laundry ready for bedding and tiling.

Mick was fantastic throughout the process, very punctual, great communication and quality of work top notch. If you need waterproofing don’t consider anybody else, he’s your guy.