Most Popular
Shower Waterproofing
from $495Complete strip, membrane, fall & seal systems for standard and custom showers — usually finished in one day.
Explore serviceJED Waterproofing — Waterproofing & Leak Repairs in Sydney
Sydney & NSW · Since 2009
Stoptheleak.
Keepthetiles.
Precision waterproofing and leak repairs for showers, balconies, bathrooms and wet areas — completed in a single day, without demolition.
10-Year Structural Warranty
24/7 Emergency Response
Waterwhereit
shouldneverbe.
Burst pipes, failed membranes, water backing up under floors. Our licensed crews are on-site across Sydney within hours, day or night.
Same-Day Emergency Callout
Certified Waterproofing Membranes
Engineeredtooutlast
thebuilding.
Liquid-applied membranes, tiling compounds and sealants specified for Australian conditions — installed by accredited applicators with full documentation.
AS 3740 Compliant Installations
Fixed Pricing · No Surprises
Straightanswers.
Fairquotes.
Send us photos and get a fixed, itemised quote within hours — then a licensed tradesman on your schedule who cleans up before he leaves.
Licensed, Insured & Fully Audited
Swipe or use arrows
10-Year Structural Warranty
Licensed & Insured
Fixed Upfront Pricing
Emergency 24/7 Sydney Service
98% Fixed First Visit
AS 3740 Compliant
Welcome to JED Waterproofing
Waterproofing done properly the
Waterproofing done properly the
first time, guaranteed.
We are a Sydney family business that has been stopping water for over fifteen years. Around nine out of ten leaking showers we are called to can be fixed without removing a single tile — usually in a single day, with a written warranty behind the workmanship.
Licensed & Fully Insured
Every job is covered by our public liability and workmanship policies, with a written certificate issued on completion for your records.
Same-Day Emergency Response
Active leaks do not wait for business hours. Our on-call crew covers Sydney 24 hours, seven days, including public holidays.
Fixed Upfront Pricing
Send photos and receive an itemised fixed quote within hours. No hourly surprises, no “while we’re here” extras.
10–15 Year Warranty
Our membrane systems carry a written structural warranty of up to 15 years. If it fails, we come back and make it right.
Clean, Considered Workmanship
Dust extraction, floor protection, daily clean-downs and a bathroom left spotless. No mess for you to deal with.
Photographic Documentation
Every stage captured and reported — valuable evidence for insurers, body corpora, builders and future purchasers.
0yrs
Waterproofing experience
0+
Wet areas protected
0%
Leaks stopped first visit
0/5
Google rating
What we do
Waterproofing services for every wet space.
From a single leaking shower to whole-building rectification, we handle diagnosis, preparation, membrane installation and finishing under one roof — so nobody else can be blamed when it leaks.
Most Popular
Emergency 24/7
Leak Detection & Repairs
from $395Thermal, acoustic and moisture-trace diagnostics that find the leak before anyone starts breaking tiles.
Explore service
Apartment Friendly
Balcony & Deck Waterproofing
from $145/m²Indoor-outdoor decks that stay dry, from new builds to failed membranes in occupied apartments.
Explore service
Full Wet Area
Bathroom Waterproofing
from $1,250Whole-of-bathroom membrane systems for renovations, extensions and new builds.
Explore service
Kitchen & Splashback Sealing
from $395Benchtop-to-splashback junctions, sinks and floor edges resealed properly — not just re-silicone.
Explore service
Specialist
Pool & Spa Waterproofing
Custom quoteChloride-resistant, bondable membranes for pools, spas, water features and planters.
Explore service
Current offers
A few ways to pay less.
Conditions apply on all offers. Ask our team when you book — we will always honour the best available rate.
How it works
Our waterproofing process in five clear steps.
No mystery, no surprise invoices. You know exactly what is happening, when, and what it costs — from the first phone call to the final warranty certificate.
01
Book & Assess
Call, message or send photos. We respond within the hour and confirm a fixed price before committing to a visit.
02
Diagnose Properly
On-site pressure, flood and moisture testing with thermal imaging to pinpoint the actual failure — no guesswork.
03
Strip & Prepare
Old sealant, grout and membrane removed, substrate repaired, primed and ready. Full protection and dust extraction.
04
Waterproof & Seal
Bond-breaker, primer, membrane coats, falls and flexible sealant applied to specification with correct joint profiles.
05
Test & Document
Flood test, photographic report, warranty certificate issued and the space handed back ready to use.
95%
of wet-area leaks start at the wall-to-floor junction
Why your shower leaks
Most “plumbing” problems
Most “plumbing” problems
are sealing problems.
01
Movement cracks the joint
As the building settles and moves, the wall-to-floor junction flexes. Cement grout and standard silicone cannot survive that movement, so the joint opens up.
02
Water finds the path
Once the joint fails, water travels behind the tile, across the membrane and into the subfloor — often long before anything is visible.
03
The damage compounds
Rotten timbers, mould, bubbling paint, termites and structural decay. What started as a hairline crack can end up costing tens of thousands to fix.
Why JED
The difference is in
The difference is in
what we do not cut corners on.
Anyone can put silicone on a joint. Being the trades you keep for the next twenty years is about diagnosis, preparation, product selection and turning up when we said we would. That is where we put our energy.
Licensed & Fully Insured
Every job is covered by our public liability and workmanship policies, with a written certificate issued on completion for your records.
Same-Day Emergency Response
Active leaks do not wait for business hours. Our on-call crew covers Sydney 24 hours, seven days, including public holidays.
Fixed Upfront Pricing
Send photos and receive an itemised fixed quote within hours. No hourly surprises, no “while we’re here” extras.
10–15 Year Warranty
Our membrane systems carry a written structural warranty of up to 15 years. If it fails, we come back and make it right.
Clean, Considered Workmanship
Dust extraction, floor protection, daily clean-downs and a bathroom left spotless. No mess for you to deal with.
Photographic Documentation
Every stage captured and reported — valuable evidence for insurers, body corpora, builders and future purchasers.
Recent work
Full gallery
Jobs we are proud of in your area.
Real Sydney jobs, photographed from first visit to final flood test.
Verified reviews
Sydney homeowners who
Sydney homeowners who
stopped worrying about water.
4.9
486 Google reviews
Coverage
Servicing all of Sydney and surrounds.
Same-day appointments across the metropolitan area, plus the Blue Mountains, Southern Highlands and Hawkesbury for larger works.
Inner Sydney
Inner West
North Shore
Inner South
West & South West
South & Canterbury
Good to know
Frequently asked questions
Straight answers to the questions we are asked most often across Sydney.
How much does waterproofing cost in Sydney?
A standard shower strip and re-seal starts at $495 and typically completes in one day. Balconies are priced from $145 per square metre, full bathroom membrane systems from around $1,250, and kitchens or splashback resealing from $395. Every quote we issue is fixed and itemised after seeing photos or completing an inspection — you will never receive a bill higher than the agreed price.
Do you actually remove tiles?
In the majority of cases, no. Around nine out of ten leaking showers we see are caused by failed grout and sealant at the wall-to-floor junction, which can be resolved with a complete strip, membrane and re-seal without touching a single tile. We will only recommend tile removal where the substrate or the existing membrane has genuinely failed, and we will show you the evidence before recommending it.
How quickly can someone attend?
Same-day appointments are usually available across metropolitan Sydney, and our emergency service operates 24 hours a day including weekends and public holidays. For an active leak that is causing damage we aim to have a crew on site within a few hours of your call to stop the water first, then quote the permanent repair.
How long until the shower can be used?
Membrane systems need between 24 and 48 hours to cure before water exposure depending on the product, temperature and humidity. We will always tell you the exact cure time for your job on the day, and for most shower reseals you can use the shower again the following day.
What does your warranty cover?
Our membrane systems carry a written structural warranty of up to 15 years and sealants up to 5 years, issued as a certificate with photographic records of the installation. The warranty covers labour and materials for the waterproofing work we performed. If anything we installed fails within that period, we return and rectify it at no cost.
Are you licensed and insured?
Yes. We hold full public liability and workmanship cover, our applicators are accredited for the membrane systems we install, and every completed job is documented and issued to you for your builder, tiler or insurer. Licence details appear on all quotes and invoices.
Do you work with insurers and body corpora?
Routinely. We prepare photographic investigation reports, scope-of-works documentation and certificates of compliance that insurers and strata schemes accept, and we can liaise directly with the appointed builder or assessor to keep the claim moving.
What areas do you service?
We cover all of metropolitan Sydney and most of greater NSW, including the Northern Beaches, the Blue Mountains, the Southern Highlands and the Hawkesbury. If you are just outside our radius, call us — we travel further for larger works.
Ready when you are
Stop the water today.
Send us a few photos and you will have a fixed, itemised quote within the hour — no obligation, no site visit required to start.