ThermoSphere Concrete Insulation Board 6mm – Pack of 10 (1200 x 600mm)
ThermoSphere 6mm Concrete Insulation Boards are ideal when you need thermal performance with a low floor build-up. They provide a firm, insulated base for electric underfloor heating and help reduce heat loss into the subfloor. Made from high-density XPS with a cement-coated surface, they’re strong, moisture-resistant, and easy to cut. This pack of 10 boards covers 7.2m²—perfect for small to medium rooms.

Technical Specification:

• Board Size: 1200mm x 600mm

• Thickness: 6mm

• Pack Size: 10 boards

• Coverage: 7.2m² per pack

• Core Material: High-density extruded polystyrene (XPS)

• Surface Finish: Fibre-reinforced cement coating (both sides)

• Use With: Electric underfloor heating systems

• Suitable Subfloors: Concrete and screed

• Application Areas: Kitchens, bathrooms, wet rooms, utility rooms

• Features: Low-profile, water-resistant, lightweight, improves heating response