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A thermal mass panel with energy saving and temperature control properties has been launched by DuPont Building Innovations. Energain is a lightweight panel of 5mm thickness, composed of a 'phase change material' made from paraffin in a DuPont copolymer at a 60-40% ratio and laminated on either side in an aluminium sheet. Panels are supplied in 1.2m by 1.2m dimensions. An aluminium tape is required to seal joins between panels and repair abrasions. It works by employing the capability of the phase change material to absorb and release heat. The compound has a melt point of 22?C, at which stage it begins to absorb heat from the room and to store it. When the internal temperature drops back to 18?C, it re-solidifies and releases heat back into the room. It has been designed to be installed behind the plasterboard lining on the interior walls and ceilings of lightweight structures such as timber, steel or aluminium framed buildings.

This product appeared in Building Products more than 12 months ago. Please contact Dupont (UK) Ltd directly for further details.