Originally Posted by
Ken Meyer
Could the reason that older homes don't have a moisture problem be in the fact that they are not very air tight, and the water vapor has plenty of ways to move up through the structure and evaporate out?
That and air blowing through them takes moisture with it.
Seal an older home up tight and you will have the same problems a brand new home has - how on earth do I extract all that moisture without creating a negative pressure in the house which will just pump more moisture in from outside.