Abstract
The paper presents the results of a study aimed at increasing energy efficiency in residential buildings, as well as an analysis of the humidity state and the possibility of condensation when using internal insulation. Numerical simulations were performed to confirm the results. The obtained results indicate that the use of mineral insulation "BETOL®" and aluminum foil used as a vapor barrier, applied from the inside, contributes to the improvement of thermal insulation of the walls and reduces the risks of condensation. Computer modeling showed that under the formed conditions, condensation is not observed. This research has an important contribution to the development of energy-efficient solutions for the construction industry, as it allows to ensure the minimum permissible value of heat transfer resistance of external enclosures, to extend their service life.
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