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Insulation - Blue Board

Extruded Polystyrene Sheets (XPS) Blue board

High performance rigid thermal insulation

XPS Blue Board is a rigid extruded polystyrene board used for thermal insulation. It is manufactured using a fully automated extrusion process to international specifications and standards. XPS Blue Board extruded polystyrene has a closed cell structure, giving it a range of properties superior to common expanded polystyrene (EPS).

These properties are:

  • High resistance to heat flow (i.e low thermal conductivity);
  • High resistance to water vapour diffusion and water absorbability;
  • Uniform density distribution for dimensional stability;
  • High compressive strength;
  • Fire resistance ( a fire retardant is added);
  • Ageing resistance ( XPS' properties are retained over time);
  • Resistance to bacteria and micro-organism growth;
  • Ecologically friendly ( no CFC's are used in manufacture.)

With ever increasing realisation of the importance of energy conservation, these properties make XPS a cost-effective building resource where a thermally controlled environment is a design requirement.

XPS Blue Board has a thermal conductivity of 0.026W/m.K. (R1 for every 26mm of board thickness.) Thermal and other test results are available at the links here below.

All stock boards are available in size 2500 x 600mm with straight edges and in grade ND (32 - 35kg density). Higher density boards and varying sizes are available by special order. Tongue and groove edges are also available in 50mm. All boards have a fire retardant in them.

The thicknesses of boards available are 25mm, 30mm, 50mm, 75mm and 100mm.

Each 25mm has an R-Value of 0.96.