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Unvented roof assemblies, such as conditioned attics and unvented cathedral ceilings, are becoming common in North American construction.  These assemblies are created by eliminating ventilation… Read More

Driving rain on building facades is on of the largest sources of moisture that impacts durability of enclosures. Several approaches to predicting driving rain on buildings have been developed over… Read More

Stucco and EIFS are common cladding systems that appear similar from the exterior. These systems have very different attributes however. This Digest explains the reasons why face-sealed EIFS are… Read More

The current building industry focus on durability is in part a reaction to the current perceived lack of it. Warranty claims and callbacks are increasingly leading to a rise in litigation and… Read More

The American Foursquare, a Sears, Roebuck & Co. kit home, was a staple of small American towns between 1908 and 1940. More than 100,000 of them were built in America. Homes built prior to 1980… Read More

Moisture is involved in most building problems. The most serious tend to be structural damage due to wood decay, unhealthy fungal growth, corrosion, freeze-thaw, and damage to moisture sensitive… Read More

Ice dams are a common roof performance problem in buildings that experience snowfall and at least a month of below freezing temperatures. The combination of sufficient roof pitch, adequate insulation… Read More

Ice rinks and arenas are a common building type in many communities. The trend over the last 25 years has been to operate these arenas for greater periods of the year, often throughout the summer.… Read More

Pitched roofs of either wood rafter and joist or truss construction are used in the construction of literally millions of homes and small commercial buildings each year. There are variations in these… Read More

This digest reviews the moisture control principles that must be followed for a successful insulated retrofit of a solid load-bearing masonry wall. Two possible approaches to retrofitting such walls… Read More