

Insulating foam sheathing is becoming fairly common in cold climates.īut in most cases, it violates the rule of thumb that theĮxterior of a building should be five to ten times more permeable than the interior. How to Find the Dew Point for Any Temperature & Relative Humidity in a Building This article includes excerpts or adaptations from " A Rotting Timber Frame", by Steven Bliss, adapted by permission, courtesy of the We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Here we explain how the dew point, the point at which moisture condenses out of air onto a surface, is obtained for a building cavity or building surface. We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
