The Heat-Pak Dual Overlay System is the most stable and effective overlay system designed for electric foil underfloor heating mats and water underfloor heating LoFlo Lite panels. Its innovative design ensures a smooth, durable, and high-performance base for your flooring installation.
Key Features- Optimal Subfloor Solution: A free-floating subfloor system specifically designed for use with electric underwood foil heating and LoFlo Lite water heating panels.
- Seamless Surface: Twin-layer panels with an overlap joint configuration eliminate visible lines or patterns under shiny floor finishes.
- Versatile Compatibility: Suitable for various floor coverings including carpet, linoleum, vinyl, and cork.
- Fast & Easy Installation: A dry installation process that eliminates mess, reduces labor time, and allows immediate flooring installation.
- Enhanced Heating Efficiency: Ensures secure placement of heating elements, keeping the system flat and protected while allowing for efficient heat transfer.
- Energy Efficiency: Very low thermal resistance (Rm value: 0.047) ensures quick heat distribution and maximum comfort.
- Built-in Insulation: Supports additional insulation layers under electric systems for improved energy efficiency.
- Premium Quality: Made from high-density MDF, with 3mm baseboards and 4mm topboards, and coated with a specialised adhesive for a secure and lasting bond.
- Panel Size: 1200mm x 600mm
- Top Board Thickness: 4mm
- Base Board Thickness: 3mm
- Material: MDF with interactive adhesive
- Density: 770 kg/m³
- Bending Strength: >40 kg/cm²
- Humidity: 4-10%
- Thermal Resistance: 0.047 m².K.W⁻¹
- Fire Class: B2 (DIN 4102)
- Split the first row of baseboards in half lengthwise and place the cut edges against the wall.
- Lay the first board with its cut edges in the corner, then position the rest end-to-end along the wall.
- Leave an 8-10mm expansion gap around the perimeter and any fixed objects.
- Continue laying the second row, staggering joints for added stability.
- Keep the protective film on the adhesive side until the top boards are ready to be placed.
- Lay the top boards in the same direction as the baseboards with the adhesive side facing down.
- Position the first board in the corner, overlapping both the first and second rows of baseboards.
- Peel back only the required amount of protective film to expose the adhesive surface.
- Secure the board by tapping it down with a rubber mallet, ensuring tight joints.
- Stagger the next rows by alternating full and half-length boards for a gap-free finish.
- Once installed, glue your final floor covering onto the boards or place it freely on top.
- Test the foil heater(s) and floor sensor before laying the final floor covering to ensure no damage occurred during installation.
Important Notes
- Not suitable for wet areas: Do not use in bathrooms, wet rooms, or en-suites as MDF will expand when exposed to moisture.
- For wet areas, use an underfloor heating mat with a self-leveling compound.
- Ensure an expansion gap of 8-10mm (16mm at door openings) when continuing into adjoining areas.
Upgrade your underfloor heating system with the Heat-Pak® Dual Overlay System – offering unmatched stability, efficiency, and ease of installation for a comfortable and long-lasting floor finish.
