A series of laboratory tests for moisture problems were conducted on an air infiltration barrier. One series involved the condition where warm and moist indoor air circulates through wall cavities.
Reviews the requirement in building regulations for cavity barriers in roofs. States need for providing ventilation in the cavities of certain forms of roof construction,particularly those with a continuous waterproof vapour barrier to avoid moisture build-up. Examines how adequate air movement can be provided in both new and existing flat roof voids, designed with or having installed cavity barriers.
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