40mm Kingspan ThermaWall TW55 PIR Insulation Board 2400mm x 1200 (8′ x 4′) (Pack of 8)

Code: IW4319

Kingspan Thermawall TW55 is a high performance insulation for walls, with a fibre-free rigid thermoset polyisocyanurate (PIR) core. TW55 is used to insulate timber and steel framing systems, and has a thermal conductivity of 0.022 W/m·K.



Due to the nationwide issue with the supply of raw material that is used for production of PIR insulation, the current estimated delivery date of PIR Insulation is the week commencing the 9th Nov. As an alternative, we recommend a higher performance insulation Kingspan Kooltherm.

£156.40 £187.68 Inc VAT

In Stock
2 to 5 working days delivery. direct from supplier.
Low Wholesale Prices
Open to businesses & public


Kingspan Thermawall TW55 achieves a Green Guide Rating of A+

  • Coverage: 2.88m2 per board.
  • High performance rigid thermoset insulation – thermal conductivity 0.022 W/m.K.
  • Can be used between studs or as an insulating sheathing.
  • Suitable for use with timber frame and steel frame wall constructions.
  • Unaffected by air infi ltration.
  • Resistant to the passage of water vapour.
  • Easy to handle and install.
  • Ideal for new build or refurbishment.
  • Non–deleterious material.
  • Manufactured with a blowing agent that has zero ODP and low GWP.