Insulated Structural Loft Boards
Strong • Insulated • Practical Loft Storage

Insulated Structural Loft Boards

Transform your unused loft into a practical storage area while improving your home’s thermal performance with ETZ GROUP Insulated Structural Loft Boards.

Our innovative insulated boards combine strong OSB3 timber surfaces with high-performance graphite EPS insulation, providing a convenient solution for loft flooring and additional insulation.

Why Choose Our Insulated Loft Boards?

  • Strong & Durable: OSB3 top and bottom layers provide a rigid surface for suitable loft storage applications.
  • Improved Thermal Performance: Graphite EPS insulation helps reduce heat loss through the loft floor.
  • U-Value Improvements: A whole-roof U-value of approximately 0.28 W/m²K may be achievable when combined with suitable Rockwool insulation, depending on the existing construction and verified thermal calculations.
  • Additional Storage Space: Make better use of unused loft areas without sacrificing valuable living space.
  • Quick & Easy Installation: Interlocking tongue-and-groove connections and staggered board installation.
  • Ideal for Older Properties: Upgrade existing lofts with inadequate insulation.
  • Suitable for Landlords: A practical option for improving thermal performance in rental properties, subject to the required energy-efficiency assessment.

Buy from the UK Manufacturer