






38mm EPS Underfloor Heating Castellated Insulation Board 145 x 85 cm
PROFESSIONAL THERMAL INSULATION BOARD - High-performance EPS insulation board designed to reduce heat loss into the subfloor, improving comfort and efficiency in underfloor heating installations.
FOR SCREEDED WET (WATER-BASED) SYSTEMS – Professional underfloor heating insulation panels, perfect for in-screed warm water underfloor heating in new builds or major refurbishments, delivering reliable thermal insulation and pipe stability.
CASTELLATED PIPE FIXING SURFACE - The moulded design works as a pipe fixing board for underfloor heating, holding pipes securely in place without clips or staples for faster and easier installation.
STRONG EPS FOAM BOARD & FLOOR UNDERLAY - Made from durable EPS foam insulation and foam underlay, this board resists compression under screed while remaining lightweight and easy to handle.
DURABLE POLYSTYRENE SHEET WITH INTERLOCKING EDGES - These rigid polystyrene sheets fit together seamlessly, forming a stable floor insulation board for heating that can be cut to suit different room layouts.
FLEXIBLE PIPE SPACING - Each underfloor heating panel supports 14–17mm UFH pipes with multiple spacing options, making it a versatile EPS insulation board for underfloor heating systems.


