South Coast’s
Waterproofing
Experts
You Can Trust
Get a quote today
Who we are
Waterproofing Experts Serving Shoalhaven & Illawarra
At DD Certified Waterproofing, we are specialists in delivering premium waterproofing solutions for residential, commercial, and industrial properties. As a trusted branch of Dan Davies Constructions, we bring decades of building expertise and a reputation for excellence to every project.
Our mission is to protect your investment by providing durable, high-quality waterproofing systems designed to withstand the harshest conditions. From basements to balconies, bathrooms to rooftops—we ensure your spaces stay dry, secure, and damage-free.
DD Certified Waterproofing
specialising in residential, strata, and remedial waterproofing solutions.
recent projects
Finished Projects
Why Homeowners Choose
DD Certified Waterproofing
Expert Waterproofing Solutions
Our team has years of experience in residential, remedial, and strata waterproofing, ensuring high-quality results that last.
Premium Materials for Maximum Protection
We use only industry-leading, durable materials to provide long-term defense against leaks, moisture, and water damage.
100%
Satisfaction Guarantee
We stand by our work with a satisfaction guarantee—if you're unhappy, we’ll make it right. Our goal is to provide you with complete peace of mind.,
Transparent Pricing, No Hidden Fees
Get upfront quotes with no surprises. We believe in honest pricing and delivering real value for your investment.
Seamless, Stress-Free Process
From consultation to completion, we handle everything efficiently, keeping you informed every step of the way.
Proven Track Record & Happy Homeowners
Our work speaks for itself! With many satisfied customers & successful projects, you can trust us to protect your project.
Our Working Process
Consultation & Assessment
We start with an in-depth consultation and site inspection to understand your needs and identify potential vulnerabilities.
Customised Solutions
Our team designs a tailored waterproofing plan using industry-leading materials and techniques to deliver long-lasting protection.
Application & Quality Assurance
We execute the project with precision and conduct rigorous quality checks to ensure complete satisfaction and compliance with Australian standards.
Why choose us
Waterproof Excellence You Can Depend On
As a locally owned and operated business, we understand the unique challenges faced by Australian properties and provide solutions that stand the test of time.
Expertise You Can Trust
With years of experience in construction and waterproofing, we bring unmatched skill and knowledge to every project.
Premium Materials & Techniques
We use only the highest-quality products and the latest technology to ensure durability, performance, and reliability.
Customer Centric Approach
Our focus is on delivering exceptional service and results. From start to finish, we prioritise clear communication, on-time delivery, and exceeding expectations.
TESTIMONIALS
What Our Clients Say
We couldn't be happier with the waterproofing services provided! From start to finish, the team was professional, reliable, and efficient. They waterproofed our basement, which had been prone to leaks for years, and we've had zero issues since. The peace of mind knowing our home is protected is priceless.
Emily & Mark
Satisfied Customer
After noticing water seeping through the shower and onto the floor every time we used it, we decided to call in Dan after a previous waterproofing service failed to solve the problem. Dan's approach was immediately more professional and thorough. He carefully assessed the issue and explained the process step-by-step. Great attention to detail.
Lara
Satisfied Customer
Our outdoor balcony was always a concern during rainy seasons, but thanks to Dan and his team we no longer have to worry. They applied a seamless waterproofing solution that not only works perfectly but also looks great. The whole process was stress-free, and the results speak for themselves. Highly recommend.
James & Sarah
Satisfied Customer
How can we help
Schedule Your FREE Quote Today!
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