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Celotex / Xtratherm

Xtratherm or Celotex Insulation PIR Board 2400 x 1200 x 70mm


High performance PIR insulation board for pitched roofs. Using Xtratherm Thin-R XT/PR on sloped roofs, either hybrid with breather membrane (unvented) or traditionally vented, provides the most efficient U-values with minimal intrusion into valuable living space.

  • Xtratherm Thin-R Polyisocyanurate (PIR) is a high performance foil faced insulation that delivers twice the thermal performance of standard insulation materials
  • Provides the builder with maximum thermal performance with minimal intrusion into valuable living space
  • For use in a warm / ventilated pitched roof
  • Effective insulation of roof area, reducing thermal bridging and avoiding intrusion into living areas
  • Depending on location Celotex or Xtratherm equivelent will be supplied