Insulating your home can translate into energy savings of up to 60%, bringing both nancial and environmental benets. The cost factor is set to become even more persuasive in future, as all serious forecasts suggest that energy prices will continue to rise. So painting and decorating contractors are on to a good thing at the moment, especially as there are often grants available for insulation work. This means that the investment pays for itself even more quickly. The most popular method of external wall insulation, using polystyrene boards (sold under the name Styropor), is simple and eective, because the foamed plastic, consisting of tiny beads two to three millimetres in diameter, is easy to work with and oers excellent thermal insulation values. There is however one disadvantage ass

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