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Bolted joints are a popular and relatively widespread method of joining wood-based materials in details not only of flat roofs. However, in some types of materials used to create structural details of flat roofs (for example, the above-mentioned wood-based materials), corrosion environments for bolted joints can be created in conjunction with increased humidity. The aim of this work was to verify the bearing capacity of bolted joints in various base materials (OSB board, birch waterproof wooden plywood and poplar ...

In summer, building interiors are often overheated. It is common situation especially for buildings with structures from lightweight materials (e.g. attic rooms). One of the ways to solve the excess heat removal from the interior during the summer months is integration of some phase change material (PCM) into building structures. PCMs are capable of storage latent heat at normal indoor air temperatures. In this paper, a comparison of thermal stability in two geometrically identical attic rooms is made. The differe...