Tag Archives: diffusion

Air Vapor Barriers: When in Doubt, Box it Out

slaton patterson sutterlinFAILURES
Deborah Slaton, David S. Patterson, AIA, and Jeffrey N. Sutterlin, PE

Air vapor barriers (AVBs) are critical in controlling air and moisture transport within building enclosure assemblies. Ignoring bulk water penetration, moisture-related issues experienced within the building enclosure are more commonly the result of moisture transport through air movement via discontinuities in the AVB than vapor diffusion through the wall assembly. Continue reading