ThermoSphere 5kg Waterproofing Paste for Underfloor Heating` is a top-quality, flexible liquid rubber that provides 100% waterproof protection for both indoor and outdoor surfaces. It’s excellent for use in bathrooms, wetrooms, steam rooms, balconies, and terraces.

One of its best features is that it dries quickly, allowing you to tile over it in just one hour, saving you time. It sticks well without needing a primer and can fill small gaps, creating a strong, water-resistant barrier.

Suitable for both home and commercial projects, it has a durable grey finish and can handle temperatures from -20°C to 120°C. With an elongation of over 1000%, it adapts to surface movement and comes with a 10-year warranty for added reassurance.