When it comes to tiling over underfloor heating or areas prone to slight movement, not just any adhesive will do. You need a high-performance solution that combines strength, flexibility, and fast setting times. That’s where Fastwarm FastFlex stands out.
Whether you’re a professional tiler or tackling a DIY home improvement project, FastFlex offers the perfect blend of durability and compatibility, especially when used with Fastwarm’s premium underfloor heating systems.
🔥 What Is Fastwarm FastFlex?
Fastwarm FastFlex is a single-part, rapid-setting, flexible tile adhesive engineered for use on both walls and floors. It’s designed to perform in tough conditions – from timber substrates and swimming pools to environments with underfloor heating.
Certified as S1 in accordance with EN 12004, FastFlex delivers exceptional flexibility, making it ideal for areas subject to movement or temperature changes.
💡 Key Features & Benefits
✅ Fully Approved for Fastwarm Underfloor Heating Systems
FastFlex is specially formulated to work seamlessly with all Fastwarm Underfloor Heating systems. This ensures the adhesive performs under the unique stresses of heated floors, without compromising tile integrity.
✅ S1 Flexibility Classification
The S1 classification means it can withstand slight movement and vibrations, making it ideal for:
Tiling over timber floors
Wet areas like swimming pools and bathrooms
Areas with underfloor heating
✅ Suitable for a Wide Range of Tiles
Use FastFlex on:
Porcelain
Mosaic
Natural stone
Glass
Its versatility makes it a go-to adhesive for multiple tiling applications.
✅ High-Performance in Demanding Environments
Thanks to its high deformation tolerance, FastFlex handles the thermal expansion and contraction often experienced in underfloor heating setups. This ensures long-lasting adhesion and minimal risk of cracks.
✅ Fast Drying & Application Efficiency
Speed matters on-site. FastFlex sets in just 2.5 hours at 20°C, with a grouting time of 4 hours, allowing for quicker project turnarounds and reduced downtime.
🛠️ Ideal Applications
Fastwarm FastFlex is perfect for:
Bathrooms and wet rooms
Kitchen floors and backsplashes
Conservatories and sunrooms
Timber floors with slight movement
Areas with electric or water-based underfloor heating
🔗 Where to Buy
You can purchase Fastwarm FastFlex Rapid Set Tile Adhesive (20kg) directly from our website here:
👉 Buy Now
Explore our full range of underfloor heating systems, accessories, and tiling solutions to complete your project with confidence.
If you're tiling in a space that experiences movement, moisture, or fluctuating temperatures, Fastwarm FastFlex is the professional-grade adhesive you can rely on. Its compatibility with underfloor heating, rapid drying time, and superior bonding strength make it an essential part of any tiling project.
For more expert advice, installation tips, or to explore our full product range, visit Fastwarm.com.
