RetroFit - Insulating Basement Walls

NUDURA RetroFit Insulation Technology is an easy–to-use insulation solution for insulating existing structures on the interior or exterior. Installation is fast and effortless, compared to conventional multi-step finishing methods.

Simply attach NUDURA’s standard 1.2m x 2.4m sheets by using the embedded fixing points and appropriate fixings. NUDURA RetroFit Insulation panels fit seamlessly together with a shiplap system, electrical installation is easily completed, and plasterboard is attached to the 64mm wide fixing point located on 400mm centers providing wall insulation that is ready to be finished.

The combination of rising energy requirements and fuel costs means that we need to make the most of building technology for insulating walls in homes and commercial structures. NUDURA RetroFit Insulation Technology for wall insulation is an ideal energy efficient solution that reduces energy consumption, provides additional comfort and increases energy savings in one easy step.

Download the RetroFit Brochure with Install Instructions or View the Installation Instructions Online


  • Available in 1.2m x 2.4m sheets and thicknesses of 67mm,  89mm and 98mm
  • U-Values of 0.56, 0.42 and 0.38 per layer
  • Made of EPS (Expanded Polystyrene) making it lightweight and easy to cut wall insulation solution 
  • Simple to install with wood or Polystyrene embedded 64mm wide fastening strips located on 400mm centers 
  • Panels easily fit together for wall insulation with a shiplap system to eliminate thermal bridging
  • Insulation for interior and exterior walls

  North America 866-468-6299 International +1 705-726-9499