We offer a professional and comprehensive service to private residential as well as to the large construction companies in the building industry.
Duraseal Waterproofing and remedial specialists has been operating in NSW since 2002. We offer a professional and comprehensive service to private residential as well as to the large construction companies in the building industry.
As independent Waterproofing specialist we use the highest quality products available to suite the large variety of site application. Our excellent reputation in the industry is as a result of our continous service and training to uphold the highest standard of workmanship in our field.
Our safety standards are strictly enforced and our safety trainings of utmost importance to us. We aim to continually source the latest technology in the industry while improving on the existing waterproofing details in some of the most difficult applications, passing this knowledge on to our Site Managers, waterproofers, contractors and architects alike.
Each project is assessed to specify the right product for the job. We offer solutions for wet or dry conditions, and both structural and non-structural needs.
Concrete cancer occurs when steel reinforcement rusts, expanding up to 7 times its size and cracking the surrounding concrete. This allows more water in, accelerating the damage.
Duraseal are specialists in underground waterproofing. Each project is assessed to ensure the correct membrane is applied based on site conditions and environment.
We provide a wide range of maintenance services, with tailored solutions to address issues such as cracks, leaks, and membrane failures across various structures.
As independent Waterproofing specialist we use the highest quality products available to suite the large variety of site application.
On Time Project Delivery, Honest & Upfront Pricing.
A dedicated team with years of expertise.
We source the best tiles and adhesives for long-lasting results.
Personalized solutions tailored to your needs.
Competitive rates with no hidden costs.
Hear directly from our happy clients across Sydney— real feedback that reflects our commitment to quality, reliability, and top-tier service.
We manage 190 units in Ultimo, so professionalism is our utmost importance and i am very particular with allowing contractors in my premises. Duraseal have been involved in all our remediation works and i highly recommend them.
Got questions? We’ve answered the most common queries about our waterproofing services, process, and what to expect — so you can feel confident from the start.
Yes, we provide obligation-free quotes for all residential and commercial waterproofing projects.
Most standard jobs, like bathrooms or balconies, can be completed within 1–2 days, depending on the scope and drying times.
Proudly serving Sydney and surrounding areas with top-tier waterproofing solutions. Quality you can trust, results that last.