Abstract
With increasing requirements on reducing heat consumption and improving comfort levels of existing buildings, interior insulation retrofit is a hot topic for many masonry buildings. However, as the drying potential of the wall is lowered as a consequence, interior insulation of massive masonry walls increases the risk of moisture related problems. Therefore, carefulness is needed when approaching such solutions. A useful approach on evaluating moisture risks, when deciding the interior insulation design, is the use of hygrothermal simulations. In the present study a 2D numerical hygrothermal study has been conducted on an internally insulated masonry wall with a smart vapor barrier. The focus has been on comparing and discussing the options available in, and the challenges faced with, COMSOL Multiphysics and WUFI for this purpose.
Published Version
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