Last week the staff & students of SECMOL embarked on a major DIY project - replacing the roof of the eating area adjacent to the kitchen. The original roof was constructed of 12ft poplar tree trunks spanning from the ends to one central beam, supported by a single column. On top of the trunks, at 90o, were laid lots of shorter, thinner, willow sticks. Over these was a layer of dried twigs for insulation finally topped with a thick layer of dried mud. The problem was that the trunks were too thin and too widely spaced, so the weight of 2-4ft
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