![]() Different possible approaches to retrofitting such walls are presented and compared. This digest reviews the moisture control principles that must be followed for a successful insulated retrofit of a solid load-bearing masonry wall. Many of the same principles apply to the interior insulation of the CMU walls with masonry facing widely used for the decades after WW2. Adding insulation to the walls of such masonry buildings in cold, and particularly cold and wet, climates may cause performance and durability problems in some cases. A socially, culturally, and economically important class of buildings is load-bearing brick masonry buildings, typically built before the Second World War. Upgrading, renovating and converting buildings to new uses involve numerous challenges. Improving the energy performance of this stock of buildings will be a very important part of transitioning North America from an imported fossil fuel dependent region, to a low-carbon, self-sufficient economy. However, a vast stock of existing buildings, the great majority of which have poorly insulated enclosures, exists. ![]() A significant amount of research has developed guidance and technology to assist designers and owners significantly reduce the energy consumption of new buildings. Reducing the energy consumption of buildings has become increasingly imperative because of the combined demands of energy security, rising energy costs, and the need to reduce the environmental damage of energy consumption. ![]()
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