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Browse our range of underfloor heating insulation boards designed for different wet underfloor heating systems, including low-profile and in-joist systems.
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XPS400 overlay boards are used to install underfloor heating onto existing floor surfaces. These panels can be secured to a solid subfloor and are perfect for retrofit installations.
XPS offers significant advantages over EPS.
*PLEASE NOTE: THIS PRODUCT HAS A MINIMUM ORDER QUANTITY OF 10 BOARDS*
The NEW XPS 500 underfloor heating overlay boards offer a simple solution to install underfloor heating onto existing floors. These panels can be placed directly onto any solid surface and are perfect for retrofit installations. These boards feature performance benefits over the standard EPS Overlay Boards.
**PLEASE NOTE: THIS PRODUCT HAS A MINIMUM ORDER QUANTITY OF 10 BOARDS**
**PLEASE NOTE: THIS PRODUCT HAS A MINIMUM ORDER QUANTITY OF 10 BOARDS BUT THIS CAN INCLUDE XPS400 AND XPS500FOILED BOARDS**
**PLEASE NOTE: THIS PRODUCT HAS A MINIMUM ORDER QUANTITY OF 10 BOARDS BUT THIS CAN INCLUDE XPS400 AND XPS500FOILED BOARDS**
These EPS panels are designed to fit snugly between existing joists or between battens on concrete subfloors. In joist panels are 1200 mm x 350 mm x 50 mm, with 200 mm pipe spacing for 16 mm pipework. These panels provide insulation to prevent heat loss while the foil coating promotes an even heat distribution across your space. Once installed, floorboards are placed over the joists/battens as normal.
**PLEASE NOTE: THIS PRODUCT HAS A MINIMUM ORDER QUANTITY OF 10 BOARDS**
Quick Drying Adhesive Canister – 13 kg. Used with a spray gun to secure EPS underfloor heating boards to any solid surface.
Up to 200m² coverage!
Can only be purchased as part of a larger order. If bought individually, delivery will be charged separately after the order.
Adhesive spray gun and hose set. For use with 13kg quick-drying adhesive canisters (sold separately). Ideal for securing EPS underfloor heating boards.
Underfloor heating insulation boards are a vital part of any UFH system and are required across various installation types. They help improve system performance by reducing downward heat loss and ensuring heat is directed into the room above.
XPS400 Insulation Board
Low-profile overlay system using 20mm boards with pipe spacing at 150mm. Our most popular option suitable for both new build and renovation projects.
XPS500 Insulation Board
High heat output boards with pipe spacing at 120mm, the perfect partner for heat pumps. Features lightbulb turns and perforated grooves to allow quick installation.
Water underfloor heating insulation boards provide pre-grooved options for installation over existing flooring or between joists. Explore our related products that may be more relevant to your project:
Yes, insulation boards are highly recommended regardless of system type or size. Insulation boards reduce downward heat loss and directing more heat into the room above.
The short answer is as thick as possible — however, the ideal thickness of insulation depends on the type of system being installed. Increasing insulation reduces heat loss, making your home more energy efficient.
Yes you can install underfloor heating boards yourself. They can be cut to size using a utility knife or an insulation saw. Some insulation may require adhesive or fasteners to secure them to the subfloor.
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