This chapter presents data on indoor vapor release andmeasured indoor/outdoor vapor pressure or vapor concentration differences notincluded elsewhere in the ASHRAE Handbook, and discusses moisture sources andsinks that can reduce materials’ durability, as well as the negative effects ofinsufficient or excessive indoor relative humidity.

Effects of Humidity andDampness
Elements of MoistureManagement
Envelope and HVACInteractions
Indoor Wetting and Drying
Vapor Release Related toBuilding Use
Indoor/Outdoor VaporPressure Difference Analysis
Avoiding Moisture Problems
Climate-Specific MoistureManagement
Moisture Management inOther Handbook Chapters
No. of Pages: 14