“Michael from Sydney Plastering Service replaced a section of our kitchen ceiling after storm damage, including new insulation and plasterboard. He replied quickly, came out to inspect before quoting, kept to his price, and was upfront that he does plastering only and doesn’t paint. He also put in extra sound insulation we’d added to the job. The work was very clean. He protected the floor and cupboards, used a vacuum sander so there was very little dust, and took all the waste away. The joints are smooth and ready for painting. Friendly, professional and fair. Highly recommended.”
Leak damaged your ceiling or wall?
Water Damage Plasterboard Repair Sydney
A leaking roof, burst pipe, failed shower or overflowing upstairs unit can leave plasterboard stained, soft, sagging or mouldy. We specialise in smaller water-damage repairs — cutting out the affected plasterboard, replacing it with new board and setting it so it's ready for painting.
What does plasterboard water damage repair involve?
First the source of the leak has to be fixed by a plumber or roofer. Then the plasterboard is checked and any soft, sagging, swollen or mould-affected board is cut out back to sound material. New plasterboard is fitted and fixed, the joints are taped and set over several coats, then sanded smooth so the area is ready to paint.
Real footage
Watch a real water-damaged ceiling repair
What you'll see
- Cut out the damaged board
- Fit new framing
- Fix new plasterboard
- Set and finish
- Clean up
Our own job, filmed on site. The video has no sound.
What's included
Water Damage Repairs: what we do
- Assessment of the damaged area
- Removal of soft, swollen, sagging or mould-affected plasterboard
- Supply and installation of new plasterboard (moisture-resistant board where appropriate)
- Cornice repair or replacement where the leak has affected it
- Taping, setting and sanding ready for painting
Clean, low-dust finish: we sand with a vacuum sander connected to a dust extractor, so most of the dust is captured at the source. How our dust-free sanding works
Signs your plasterboard is water damaged
Water damage isn't always obvious at first. Look out for:
- Brown or yellow stains on the ceiling or wall
- Bubbling, flaking or peeling paint
- Board that feels soft or crumbly when pressed
- A ceiling that is sagging or bowing
- Joints or tape lifting, or nail heads popping
- A musty smell or visible mould spots
Fix the leak first
We repair the plasterboard, not the plumbing or the roof. Before we replace anything, the leak needs to be found and fixed and the area needs to be dry — otherwise the new board will be damaged again. If you're not sure whether it's still leaking, tell us when you send photos and we'll look at it when we inspect.
If a ceiling is sagging heavily or holding water, keep people out of the room and call a plumber straight away. That's a safety issue, not a cosmetic one.
Mould on plasterboard
Where mould has affected an area of plasterboard, the affected board is cut out and replaced rather than painted over. For widespread mould through a property, a mould remediation specialist should assess it first — we'll tell you honestly if that's what your job needs.
Insurance, landlords and strata
Many water-damage repairs go through an insurer, a property manager or a strata manager. Send us photos of the damage and we'll give you a clear written quote. We can also provide photos of the damage and the completed repair for insurers, strata and property managers on request.
Why us
Why customers choose us for water damage repairs
Water-damage specialists
Leak repairs are one of the most common jobs we do on ceilings and walls.
We cut back to sound board
Patching over wet or weakened plasterboard just brings the problem back — we remove what's affected.
Photos for insurers & strata
We can provide photos of the damage and the completed repair for insurers, strata and property managers on request.
Strata and insurance friendly
A clear written quote makes it easier to deal with your insurer, agent or strata manager.
Real work
Our plastering work
Genuine Sydney Plastering Service job photos.
Water-damaged ceiling replaced around an air-con vent
Water-damaged ceiling expertly replaced and restored, leaving a smooth, seamless finish ready for painting.
Small jobs are our specialty
Is this job a good fit?
- Ceiling stains or sagging after a roof or plumbing leak
- Bathroom, laundry or kitchen walls damaged by leaks
- Units affected by a leak from the apartment above
- Rental properties needing repairs between tenants
Not what we do
- Whole-building flood restoration projects
- Fixing the leak itself (you'll need a plumber or roofer)
“Michael is prompt, professional and friendly. Did a great job filling in a hole in our ceiling as well as repairing a water damaged area in our ceiling. Contacted him late Tuesday, came in twice early Wednesday and Thursday morning and got the job done. Left the work area spotless, highly recommend his services if you need a plasterer”
“A+ Michael quoted over the phone and came promptly! He cut out damaged and mouldy wall (1200 by 600) replaced with new gyproc sheet and plastered in! Ready for painting. Pre-plastered sheet in photo😊 …”
4.8★ from 24 Google reviews. Read reviews · Read on Google
Areas serviced
Water Damage Repairs across Sydney
Based in Ryde, we do water damage repairs for homeowners, landlords, property managers and strata across Sydney, including:
Do you repair water-damaged plasterboard?
Yes. We remove damaged plasterboard and replace it with new plasterboard where needed, then set and sand it ready for painting.
Can water-damaged plasterboard be repaired or does it need replacing?
Water-damaged plasterboard is cut out back to sound material and replaced with new plasterboard, once the leak is fixed and the area is dry. Photos help us see how far the damage goes.
Do you fix the leak?
No — the leak needs to be fixed by a plumber or roofer first. Once it's fixed and the area is dry, we repair the plasterboard.
Can you provide photos for my insurer or strata manager?
Yes. We can provide photos of the damage and the completed repair for insurers, strata and property managers on request, along with a clear written quote.
How long does a water-damage ceiling repair take?
The new plasterboard is fixed and set, then the compound has to dry before it can be sanded, so we come back the next day to sand it smooth with our vacuum (dust-free) sanding machine. We'll explain the timing when we quote.
Related services
You might also need
Ceiling Repairs
Repair cracked, old, sagging or water-damaged ceilings and cornices.
Plasterboard & Gyprock Repairs
Repair damaged plasterboard and gyprock walls and ceilings so the repair disappears under paint.
Strata Repairs & Maintenance
Small plastering and plasterboard repairs for strata properties, units and common areas.
Small Plastering Jobs
Holes, cracks, patches, small sections of plasterboard and the little jobs bigger companies won't take on.
Need water damage repairs?
Don't let a small repair turn into a bigger problem. Send us photos of the job or give us a call. Small jobs are our specialty.