Waterproofing · Epoxy · Resurfacing · Melbourne
Stop the leak.
Keep the balcony.
OCJ Groups fixes leaking balconies from the top, with nothing ripped up. We also waterproof wet areas, basements and roof decks, lay epoxy garage floors and bring tired driveways back to new.
- 20+ years waterproofing
- Residential & commercial
- Free consultation




The balcony fix
Leaking balcony? No jackhammers.
Most people with a leaking balcony expect the tiles to come up and a lot of mess. OCJ Groups' system goes straight over the top of your existing balcony. Nothing gets removed, and you're left with a clean new finish made with coloured recycled glass.
- Nothing ripped up, nothing removed
- A finished surface, not a patch job
- Coloured recycled glass, supplied by CRG
- 1Finished surfaceColoured recycled glass, supplied by CRG
- 2The OCJ systemGoes straight over the top
- 3Your existing balconyStays where it is. Nothing removed.
What we do
Six services. One call to Joe.
Waterproofing, floors and surfaces for homes, businesses and major projects across Victoria.

Leaking Balconies
Fixed from the top. The system goes over your existing balcony, so nothing gets ripped up.
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Waterproofing
Internal, external, caulking and screeding. Balconies, basements, wet areas, roof decks and carparks.
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Epoxy & Garage Floors
Epoxy for garages, homes, commercial floors and roads. Flake finishes that look sharp and wipe clean.
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Concrete Resurfacing
Driveways, paths, ramps and garage floors given a brand-new surface over the concrete you've already got.
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Road Safety Surfacing
High friction surfacing and coloured surface treatments. Bus lanes, plazas, paths and major projects.
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Tiling
Install and supply, all types of tiles. Pairs with our wet-area waterproofing.
Ask about tilingWaterproofing
If water can get in, we can seal it.
Internal, external, caulking and screeding, with over 20 years' experience in waterproofing construction.


Zero defects. On time. On budget.
The OCJ Groups standard
Our work
Real jobs. Our photos.












About OCJ Groups
Twenty years sealing buildings. Fifteen on the roads.
OCJ Groups has over 20 years' experience in waterproofing construction and 15 years in road safety surfacing, operating across Victoria out of Fawkner. Residential and commercial, domestic garages to major projects.
Our determination is to install products that satisfy the needs of our customers. We continually monitor the products we supply and keep improving how we work.
Suppliers we work with
Free consultation
Tell us about the job
Ring Joe, send a couple of photos, or fill in the form. The consultation is free.
