Warmline XPS is an insulated plasterboard is extruded polystyrene foam insulation which is bonded to thick plasterboard. It is available in several different thicknesses and sizes; please see the drop-down menu for the full selection to suit your needs and only available in squared edge. This use of extruded polystyrene bonded to plasterboard provides a better resistance to the natural elements than expanded polystyrene. This product also provides a vapour control layer to help control the level of condensation. This product can be used as an equivalent to Gyproc ThermaLine Plus. It has Fixed Batons: 0.635 W/m2K, Dot & Dab: 0.661 W/m2K technique. This product also has Zero ODP and Low GWP. If you need any further information on this product and its uses, please speak to a member of our experienced sales team by calling directly today .