HTC high thermal conductivity flowing screed

Gypsol HTC is a high-performance, flowing screed specifically engineered for use with underfloor heating and cooling systems. It is compatible with both warm water and electric systems, and works effectively with conventional and renewable heat sources. Its standout feature is its high thermal conductivity—rated up to 2.5 W/mK—which ensures rapid heat transfer and improved energy efficiency.

Designed for versatility, Gypsol HTC can be installed over timber floors, Lewis decking, and traditional concrete substrates. It requires only 20mm of cover over heating pipes, allowing for thinner screed layers and faster response times. This makes it ideal for both new builds and refurbishments, offering enhanced comfort, reduced energy consumption, and compatibility with all types of floor coverings

Applications
Benefits

Applications of HTC High Thermal Conductivity Flowing Screed

Underfloor heating systems – Specifically designed for maximum heat output and efficiency.

Low-energy and Passivhaus builds – Optimised for thermal performance and sustainability.

Residential and commercial spaces – Ideal where high thermal responsiveness is a priority.

New builds and retrofits – Suitable for both ground and upper floors needing enhanced heat transfer.

Tiled, timber, laminate, and carpet finishes – Creates a smooth base for a variety of floor coverings.

Benefits of HTC High Thermal Conductivity Flowing Screed

Superior thermal conductivity – Delivers faster heat-up times and better energy efficiency.

Optimised for UFH – Flows easily around pipes, ensuring consistent heat distribution.

Self-leveling – Achieves a smooth, even surface with minimal effort.

Quick to install – Pumpable and ideal for large floor areas.

Low shrinkage and cracking risk – Dimensionally stable for long-term performance.

Reduces energy bills – Transfers more heat from your UFH into the room.

Compatible with thin floor build-ups – Works well even with low-profile systems.

Sustainable option – Lower embodied carbon than cement-based screeds.