XTRATHERM PIR Rigid insulation board 2400x1200x50mm

  • Brand: Xtratherm
  • Product Code: 50mm - 1200 x 2400
  • Availability: 3-5 days
  • £21.28
  • Ex Tax: £17.73

Board size: 2400mm x 1200mm (2.88m2)

Density (Foam Core): 30 Kg/m3

Compressive Strength: more than 140 kPa

Water Vapour Resistivity: more than 100 MNs/gm

Thermal Conductivity: 0.022 W/mK

R-Value: 4.55 m2K/W

Service Temperature:  -20 to 100ºC

Surface Spread of Flame: Class 1


Xtratherm Thin-r is a foil faced Polyisocyanurate (PIR) insulation board formed by a blowing process which

generates rigid foam composed of fine cells filled with Pentane blowing agent trapped within the foam.

Pentane has very good insulating properties and gives Thin-r superb insulating capability. Long term

performance is ensured by the foil facings which are gas tight.


100mm Xtratherm Thin-r insulation board characteristics:


The thermal conductivity of Xtratherm Thin-r is among the lowest for commonly available insulation boards.


Xtratherm Thin-r boards are manufactured to strict dimensional tolerances, enabling the boards to be fitted

tightly together. That reduces air leakage through the construction and associated heat losses through convection.


Xtratherm Thin-r contains gas tight aluminium facings that form a low emissivity surface which, when facing a cavity

reduces the heat loss through radiation, cutting the overall rate of heat loss.


Xtratherm Thin-r excellent lambda value and therefore low thickness allows constructions to be thinner than they

would be with other insulation material.


With the excellent thickness to performance ratio (R-value) of Xtratherm Thin-R less material is required to achieve

the best performance levels asked for in the new building regulations.



Xtratherm Thin-r insulation board is suitable for use in:





Virtually all building elements can be insulated with PIR:

•concrete slab

•beam and block timber floors

•masonry or timber framed walls

•flat and pitched roofs



Xtratherm Thin-r is manufactured under ISO9001 assured quality system.

Xtratherm Thin-R is manufactured using Pentane as the blowing agent. Pentane is CFC/HCFC free with zero

ozone depletion potential and a Global Warming Potential less than 0.01.