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1.1. Labour costs on providing of watertightness of buildings, as a rule, 1% does not exceed ot the total worth of build projects. Thus 60-80% destructions take place from the wrong planning and unhigh-quality building of buildings to which a requirement is produced on a watertightness. The row of decisions of projects, providing a watertightness and preventing destruction buildings is widely used in Australia. In particular, the membranes of sheets and liquids, protective systems of cements and different additions, are used to the concretes.
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