Wall Insulation

Suitable for cavity walls, internal walls and between timber frames’.

We stock boards suitable for cavity walls, internal walls and between timber frames.

Perfect for insulating your garden retreat, workshop, residential boat or maybe even an external playroom for the kids.

Our wall insulation is a fibre free rigid polyisocyanurate (PIR) foam core faced with an aluminium foil composite sheet 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.

Cavity wall batts measure 0.45m x 1.2m.

Where Can Wall Insulation Board Be Used?


Foil insultation board is perfect for:

  • Ideal for Stud Walls
  • Normal Walls
  • Pitched roofs/Cold flat roofs
  • Room-in-the-roof applications
  • Both new build and renovations