Floor Insulation

For use under concrete and screed


We stock boards suitable for solid, concrete, timber and suspended floors.

Our fibre free rigid insulation has a polyisocyanurate (PIR) foam core faced with an aluminium foil composite on both sides. The high performance boards keep thickness to a minimum without compromising on thermal performance, therefore optimising internal space.

These boards are available in the standard 2.4m x 1.2m (8ft x 4ft) size and in 1.2m x 1.2m squares. Thicknesses range from 25mm – 200mm.

We also stock non-foil and reverse foil rigid polyisocyanurate (PIR) foam boards that are suitable for using under concrete and screed. These boards come in 25mm – 200mm thicknesses.

Where Can Floor Insulation Be Used?


Non foil insultation board is perfect for:

  • Ground bearing concrete floors
  • Suspended hollow pot floors
  • Suspended timber floors
  • Foundations and roof perimeter
  • Remedial overlay floors