Thermosphere Heating Foil HDF Overlay Board 2.88m² (4 Pairs of Boards)

Enhance your underfloor heating installation with the Thermosphere Heating Foil HDF Overlay Board set, covering a total area of 2.88m² consisting of 4 pairs of boards. Manufactured from high-quality High-Density Fibreboard (HDF), these overlay boards provide robust protection and excellent insulation when used over Thermosphere heating foil systems, making them ideal for wooden and vinyl floor finishes.

Key Features

• Premium HDF Construction: Durable 7mm thick boards composed of a 3mm base and 4mm top layer coated with pressure-activated adhesive for secure bonding.
• Designed for Wood & Vinyl Floors: Perfectly suited to support engineered timber, laminate, carpet, and vinyl floors installed over electric underfloor heating.
• Low Build Height: Adds minimal thickness to floor build-up, maintaining comfortable room height while enabling efficient heating.
• Safety & Efficiency: Boards offer excellent heat transfer with minimal thermal resistance, supporting a regulated maximum floor temperature of 27°C.
• Impact Sound Reduction: Combined with cushioning overlay and underlay, significantly reduces impact noise helping create quieter living spaces.
• Easy Installation: The adhesive-backed boards simplify fixing, ensuring a strong, durable, and permanent surface atop heating foil without the need for additional fixing materials.

Technical Specifications

Brand	Thermosphere
Product Type	HDF Overlay Board
Total Area Covered	2.88m² (4 pairs of boards)
Dimensions per Board	1200mm x 600mm
Thickness	7mm (3mm base + 4mm top board)
Material	High-Density Fibreboard (HDF) with adhesive coating
Density	Approximately 770kg/m³
Recommended Max Floor Temperature	27°C (regulated by thermostat)
Impact Sound Reduction	Up to 19dB ΔLw when combined with cushioning underlay and overlay
Build-up Height with Heating System	Approximately 9mm total (overlay & cushioning combined)
Compatibility	Engineered timber, laminate, vinyl, and carpeted floors over Thermosphere heating foil
EAN	5056257302317
MPN	WCVF-HDFO

Applications

• Ideal for use in residential and commercial buildings for floating floor finishes.
• Optimised for rapid installation with Thermosphere electric underfloor heating foil systems.
• Suitable for renovations, refurbishments, and new build projects requiring soundproofing and thermal comfort.

Why Choose Thermosphere HDF Overlay Boards?

• Manufactured in the UK to the highest quality standards for lasting performance.
• Provides the perfect balance between thermal conductivity and acoustic comfort.
• Part of the complete Thermosphere underfloor heating system for reliable, energy-efficient warmth.
• Lightweight yet strong for easy handling and durable installation.