Ecotherm or Similar PIR Insulation Board 25mm x 1200mm x 2400mm £18.98 (Inc) £15.82 (Excl) EcoTherm Eco-Versal comprises a fibre free rigid polyisocyanurate (PIR) insulation core faced with an aluminium foil composite on both sides.Applications include both new build and upgrading the thermal performance of existing building elements,... Add to Cart