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The Shower Repairs Plus advantage
95% of showers can be sealed with our Standard Seal Service. “Leaking showers repaired - with no tiles removed"
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Services and Help
- Why Showers Leak
- Diagnosing a Leak
- How to fix leaking showers
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- Testimonials
- Natural Stone Care, DiaOseal specialises in the refurbishment, cleaning, polishing and maintenance of all natural stone surfaces.
- 12-Year Written Warranty, Your leaking shower will be professionally re-grouted and sealed and protected by warranty for over a decade. Free repairs.
- Where We Work, DiaOseal offers shower leak repair services in both Sydney - Metropolitan and NSW - Regional areas
- DiaOseal Waterproofing System, Our pioneering extra-durable solution that’s never failed.
- Payment Options, Mobile EFTPOS, cash, credit and debit card.
- Watch us on YouTube, Visit the DiaOseal YouTube channel.
- Official Standards Broadening homeowners’ and tradespeople’s awareness of waterproofing (pdf).

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Knowledge & Insight


STOP leaking showers and shower leaks at the source!

With over 22 years of building experience, our professional expertise is unmatched in the shower repair industry.










Dear Sir/Madam

Thank you for the work your shower guy did to fix my leaking shower. I am overjoyed to be able to use the shower again. The repair and sealing carried out by your technician is fantastic and first class, very clean, tidy and polite at all times.

I won't hesitate to recommend you to anyone that may require your services and will be spreading the word about how efficient and helpful you have been throughout the whole process.

With best wishes

J. Hartland 2006

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DiaOseal! the industries choice for professional repairs, maintenance and sealing solutions.

DiaOseal! has been a leader in the advancement of sealing and waterproofing technologies and has refined a time tested dynamic sealing solution. Not only can you be assured of getting the most advanced industry leading technology and systems available you can feel confident with our prompt professional service backed by our written 12 year guarantee for piece of mind.

DiaOseal DiaoSeal Solution for waterproofing membrane failure.

There are a number of makeshift solutions and products on the market for the sealing of a leaking shower or bath, but none of these offers a complete service and 12 year guarantee against leakage.

Many only last for limited periods, depending on the quality of the products and the technical experience of the person applying them. The DiaOseal solution to shower leak repairs, baths and vanities which stops leaking showers or a leaking shower base without removing tiles. Our DiaoSeal product has been specifically designed for wet area sealing and has the strength to withstand normal building movement. It will not crack, deteriorate or let water penetrate through the junctions. It does not dissolve or weaken with strong chemical cleaners. learn more

At DiaOseal, the waterproofing system specified to stop leaking showers and shower leakage or seepage is more than a product solution – its complete protection for a building owner’s assets for many years to come. Selecting DiaOseal for your shower leak repair guarantees you’ve chosen the best repair, maintenance and sealing solution for the job, and that it is installed by trained, authorized technicians. It’s peace of mind for you and a long-term solution.


DiaOseal - Leak repair of the week.


The shower was leaking due to moisture entering through the wall and floor separations and a movement crack along a grout line continuing through the shower and across the bathroom floor toward the door way.

The shower was sealed using our standard seal solution and the bathroom floor joint grout removed and the floor re-grouted and sealed.

Leakage before clean, regrout & seal

Problem Solved

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