Labels:book | hakham | poster | road | sky | stairs | trade name | web site OCR: Moisture Transport via Air Movement Introducing 3/4" AIRLEAKAGE hole (about gypsum in the the board amount air leakage from an This slide shows electrical outlet) that AirLeakage X Sheet of dramatically responsible Gypsum Board shows that air for most of the with a3 leakage moisture hole accounts for transport in buildings 99% of the 70F 40 % RH movement 30 Quarts moisture vapor One H leating Season of Water n walls <PREV NEXT AIRLEAKAGEE eakage Ouarts Heating