Polyfoam® ECO gets Best in Class BRE Green Guide rating

After extensive testing by the Building Research Establishment (BRE) Knauf Insulation’s Polyfoam® ECO range of extruded polystyrene products has achieved a certified BRE Green Guide Rating of “A”. The Polyfoam ECO range are the only extruded polystyrene products to be independently assessed by the BRE allowing specifiers to have the utmost