RetroFit - Insulating Basement Walls


NUDURA RetroFit Insulation Technology is an easy–to-use insulation solution for insulating Basement Wall or insulating interior or exterior block walls. Installation is fast and effortless, compared to conventional multi-step finishing methods; NUDURA RetroFit Insulation Technology can provide basement wall insulation while creating fastening points in one simple step. 

Simply attach NUDURA’s standard 4’ x 8’ (1.2 m x 2.4 m) sheets. Basement Wall Insulation is easy using the embedded fastening strip and a concrete screw.  NUDURA RetroFit Insulation Technology panels fit seamlessly together with a shiplap system, electrical installation is easily completed, and drywall or Gypsum Board is attached using the 2 ½” (64 mm) fastening strip located on 16” (400 mm) centers providing basement wall insulation that is ready to be finished.

Insulating basement walls with NUDURA RetroFit Insulation Technology provides insulation performance ratings up to R-14.8, resulting in greater energy efficiency and comfort to any home or commercial structure.

The combination of rising energy requirements and fuel costs means that we need to make the most of building technology for insulating basment walls in homes and commercial structures. NUDURA RetroFit Insulation Technology for basement 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 Brochure or View the Installation Instructions Online


  • Available in 4’ x 8’ (1.2 m x 2.4 m) sheets and thicknesses of 2 ⅝” (67 mm), 3½” (89 mm), and 3 7/8" (98mm) 
  • Performance Ratings up to R-14.8 (RSI 2.61 & U-Value 0.384 w/m2•k)
  • Made of EPS (Expanded Polystyrene) making it lightweight and easy to cut basement wall insulation solution 
  • Simple to install with wood or Polystyrene embedded 2 ½” (64 mm) fastening strips located on 16” (400 mm) centers 
  • Panels easily fit together for basement wall insulation with a shiplap system to eliminate thermal bridging
  • Basement wall insulation for interior, exterior block walls

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