Enertherm PIR Insulation Boards
Enertherm PIR Insulation Boards
With 30 - 35% of heat lost through the roof of an uninsulated house it is clear that roof insulation is critical to an energy efficient building.

Enertherm PIR insulation has the highest efficiency per m². This means that, compared to other insulation materials (such as EPS, XPS and Rockwool), a higher insulation value is achieved with a thinner board.

Using Enertherm PIR across the entire flat roof surface, the R value of the system is higher than the R value of the PIR. In comparison, using lofted insulation between the rafters the R-value of the system is actually lower than the insulation R value due to thermal bridging.

PIR insulation has very high compressive strength. Combining this with the excellent R-values of the aluminum faced Enertherm PIR boards makes for the ultimate flat roof insulation.

Enertherm boards are lightweight and easy to hand on site. The boards can be installed over plywood, concrete or metal substrates, on new or existing buildings and on flat roofs regardless of their slope.


Product Benefits:
  • Optimizes energy efficiency.
  • Improves insulation with no thermal breaks.
  • 20-year product warranty.
  • BRANZ Appraised.

PIR Insulation Boards

B) What is the substrate?


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Thermal Capability Table (R-Value)
ALU (1,200 x 1000mm) 50mm 70mm 80mm 100mm
R Value 2.25 3.15 3.6 4.5
 
ALU Tapered (1,200 x 1000mm) Slope 1/60 = 1°
Thickness (mm) 40 - 60mm 60 - 80mm 80 - 100mm 100 - 120mm
Avg R Value 2.25 3.15 4.05 4.95

Boards may be laid on top of each other to provide additional thickness. The R value is added to compute the combined value.
R value is a measure of the thermal resistance, of the Enertherm insulation board.
The stated R-Values are true long term values based on 25 years.

Roof Solutions:
  • Improved insulation with no thermal breaks.
  • Cross ventilation of ceiling void not required.
  • Can be retrofitted on existing buildings.
Enertherm Tapered PIR Insulation | Not to scale, slope exaggerated beyond 1 degree fall. Enlarge Download
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