Northern Rivers NSW
Waterproofing Done Right. Every Time.
Trusted by builders and contractors across Northern Rivers NSW.
What we do
What We Do
Wet Area Waterproofing
Bathrooms, ensuites, and laundries sealed to AS 3740 standards. Zero callbacks, zero leaks.
Tiling
Floor and wall tiling for wet areas, balconies, and living spaces. Clean finishes that complement the waterproofing underneath.
Balconies & Decks
Exposed decks and balconies waterproofed and finished to handle the Northern Rivers climate.
Basement & Subfloor
Below-ground waterproofing for basements, subfloors, and retaining walls. Tanking systems that keep water out permanently.
Why us
Why Builders Choose CJC
NSW Fair Trading licence 492429C. All work backed by insurance and warranty.
We quote fast and start fast. No waiting weeks to get on the schedule.
We're on the ground in Northern Rivers NSW — available when your build needs us.
Fast turnaround
Request a Quote
Send us your project details and we'll get back to you within 24 hours. No obligation.
- Licensed & insured waterproofing contractor
- Response within 24 hours
- Serving Northern Rivers NSW
Ready to Quote?
Send us your plans and we'll get back to you within 24 hours.