Waterproofing Wet Areas Using Insono Weldi Waterproofing System
WPD Group is now offering direct-stick tiles waterproofing system for your internal and external wet areas, bathrooms, decks and terraces with INSONO AF3 90 waterproofing membrane.
The INSONO Weldi System, powered by INSONO AF3-90, is SOPREMA’s high-performance membrane solution for direct stick tile applications across both internal and external environments. Supplied by WPD Group, this system combines proven waterproofing, anti-fracture protection, and acoustic performance in one smart, easy-to-install layer.
Why Use INSONO AF3-90 in the Weldi System?
INSONO AF3-90 isn’t just another membrane — specifically engineered for:
- Bathrooms, Laundries & Wet Areas
- Tiled Balconies & Exposed Decks
- Multi-residential & Commercial Installations
Built for direct stick tiling, it eliminates the need for screed, saving time, labour, and material costs.
Key Features of the INSONO Weldi System
- Indoor & Outdoor Ready: Perfect for bathrooms, wet areas, and even external balconies under direct stick tile applications.
- Triple Function: Combining Waterproofing, anti-fracture properties and acoustic insulation in one layer.
- Certified Quality: Following AS 4858:2004 Wet Area Membranes & AS 4654.1:2012 Waterproofing Membranes External Above Ground Use.
- Built to Last: Crack-resistant, rot-proof and traffic-tough.
- Quick & Easy Application: Self-adhesive design ensures hassle-free installation.
- Effective Sound Reduction: Achieve quieter living with tested STC and IIC ratings.
- Manufacturer 20-Year Material Warranty.
Performance You Can Build On
Using the INSONO Weldi System with AF3-90 helps you:
- Install up to 50% faster
- Reduce material and labour costs
- Streamline compliance and site coordination
- Deliver higher performance in every layer
Order now or request technical guidance — contact us.