Our high-performance waterproofing systems are designed to withstand Melbourne’s unpredictable climate, providing long-term protection against water ingress and preventing structural damage. We work closely with architects, engineers, and waterproofing consultants, assisting with waterproofing system designs, technical drawings, and compliance support. We collaborate with certified local contractors and have a dedicated employee based in Melbourne to provide on-the-ground support and expertise for your projects.
Melbourne’s Trusted Waterproofing Specialists
With over 35 years of experience, Projex Group is a leading provider of waterproofing solutions in Melbourne, supplying premium PVC membranes, Wolfin and Cosmofin, to commercial, residential, and infrastructure projects across Victoria.
Projex Group at Construction Connect Melbourne 2025
Projex Group will be exhibiting and presenting at Construction Connect Melbourne in October 2025, engaging with industry leaders, engineers, architects, and waterproofing specialists. This event is a great opportunity to learn more about our high-performance waterproofing solutions, discuss industry challenges, and explore how Wolfin and Cosmofin membranes can benefit Melbourne’s construction projects.
Cosmofin Distributor: The Waterstop Shop
In Melbourne, The Waterstop Shop is an official distributor of Cosmofin waterproofing membrane products, making it easier for contractors to access our high-performance PVC waterproofing systems locally.
Why Choose Projex Group for Waterproofing in Melbourne?
Industry-Leading Waterproofing Systems
Our Wolfin & Cosmofin PVC membranes are the preferred choice for critical and complex waterproofing applications.
15-Year Warranty on Wolfin Installations
Projex Group is the only waterproofing supplier in Australia offering a 15-year warranty on both materials and workmanship for Wolfin applications.
Certified Melbourne Contractors
We collaborate with locally certified Wolfin installers, ensuring expert application and long-lasting results.
Local Support & Distribution
With a Melbourne-based team member and The Waterstop Shop distributing Cosmofin, we provide faster access to products and technical support.
Comprehensive Technical Support & Compliance
Our expert team provides technical consultation, compliance checks, waterproofing design assistance, and onsite inspections to ensure top-quality waterproofing outcomes.
Proven Project Success in Melbourne
From high-rise developments to heritage restorations, our waterproofing expertise is trusted across Victoria. See our Melbourne case studies for real-world applications.
Cosmofin Supplied Across Victoria
Waterproofing contractors in Melbourne and regional VIC can purchase and install Cosmofin, with specialised technical assistance provided by Projex Group.
Our Waterproofing Solutions in Melbourne and Other Engineered Products
Wolfin & Cosmofin PVC Waterproofing Membranes
Wolfin Membrane – A premium Polyester PVC waterproofing system, trusted for complex and high-risk projects where waterproofing is critical.
Cosmofin Membrane – A cost-effective, high-performance PVC membrane, ideal for large-scale commercial and infrastructure projects. (Available through The Waterstop Shop)
Link-Seal Modular Seals for Sealing Pipe Penetrations
Mechanical seal solution for sealing pipe penetrations in concrete slabs, walls, and tanks, ensuring 100% watertight performance. Link-Seals can also seal against oil, gas, and the Model-T has a 2-hour fire rating.
Sub-Ballast Mat (SBM) for Rail Infrastructure
A high-performance track protection and vibration-dampening system, widely used in rail projects across Australia.
Recent Waterproofing Projects in Melbourne
Projex Group has successfully provided waterproofing solutions across Victoria, including:
- Commercial buildings & high-rise developments
- Infrastructure projects & transport hubs
- Podiums, basements, and rooftop waterproofing
- Heritage restoration projects requiring specialised solutions
Speak to Melbourne’s Waterproofing Experts
Need a trusted waterproofing partner for your next Melbourne project?
Contact Projex Group today for:
- Expert recommendations & material supply
- Certified Wolfin installers for professional application
- Technical support for architects, engineers & contractors
For technical support, project specifications, or assistance with product selection, contact Projex Group. Servicing Melbourne & Greater Victoria.
Enquire now
