The GTEC Thermal K Board is perfect for both new build and refurbishment projects, this is due to the exceptional Thermal Performance it provides. It has a vapor control layer to prevent the risk of condensation. This product comes in a range of sizes and is b onded to phenolic foam, so it prevents condensation from occuring . This board is only available in tapered edge. Pack Qty 1 Type Insulated Plasterboard Feature Thermal Coverage 2.88m2 Board Size 2400mm x 1200mm Length 2400mm Width 1200mm Thickness 40mm Range Thermal K Board Series Thermal K Board