RECTICEL GP PIR is a high performance PIR insulation board that is light weight, easy to cut, handle and install. Whether it’s a pitched roof, framed wall or floor, RECTICEL GP PIR is the ideal solution amongst contractors and installers Key benefits Suitable for multiple applications Good thermal performance: λ = 0.022 W/mK Quick and easy installation High Quality PIR foil board identical to other PIR boards such as Ecotherm, Unilin, Quintherm, Celotex, Kingspan PIR range etc.