To satisfy today’s focus on our environment with energy saving products Longwater Construction Supplies offer a wide range of Insulation from the UK & Europe’s leading manufacturers. It is no longer necessary to go to National stockists to fulfil your specialist insulation requirements, with Multifoil Insulation stock from IKO Enertherm, Knauf Glass Mineral Wool and other niche market manufacturers available, such as Polystyrene sheets and Claymaster, we have the stock and expertise necessary to help.