Eco-Protect - Class O Fire Performance Pitched Roof Insulation

Eco-Protect PIR boards provide Class O fire performance pitched roof insulation.  They are a universal product suitable for insulating pitched roofs, framed walls, rainscreen and semi-exposed soffits.


Suitable for use in new build or upgrading the thermal performance of existing roofs, providing a cost effective means of reducing CO2 emissions and compliance with Building Regulations/Standards.

Eco-Protect is ideal for:

  • Over rafters
  • Over and between rafters
  • Between rafters only
  • Between rafters and below (under)
  • To create a room in the roof
  • Loft floors
  • Ceilings and dormer cheeks



EcoTherm Eco-Protect comprises a fibre free rigid polyisocyanurate (PIR) insulation core with pure aluminium foil facing on both sides. 

Standard Dimensions

Length: 2400 mm
Width: 1200 mm
Area: 2.88 m2
Thickness: 50 - 120mm

Thermal Performance

The thermal conductivity (lambda / λ value) of Eco-Protect is 0.022W/mK 

For detailed product and application information please download the Eco-Protect datasheet *COMING SOON*

Eco-Protect benefits:

  • Class O fire performance
  • High thermal performance PIR insulation achieved Building Regulations with minimum thickness
  • Roofs insulated at rafter level create a warm roof; no pipe or tank lagging is required
  • Minimises condensation
  • Non-irritant
  • Lightweight and rigid - easy to carry and cut
  • Loft space can be transformed into warm usable living space

Eco-Protect can also be used to insulate framed walls.

Related products

Room in the roof or loft conversion?
EcoTherm's insulated plasterboard Eco-Liner will dry line and insulate in one simple application saving you time and money.