Home Plasterboard & Insulation Insulated Plasterboard Insulated Plasterboard PL4000 2400mm x 1200mm x 27.5mm PL4000 2400mm x 1200mm x 37.5mm Thermalite laminate plus (pink) 55mm Category: Plasterboard & Insulation Related products Cavity Wall Glassroc Multi Board Loft Insulation Pir Roof