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Black mold

Posted By: William Miller
Thursday, 18 February 1999, at 11:29 a.m.

Hi! My name is Bill, I built a new house about forty miles north of Minneapolis, MN in Feb. 1992. In the winter of 1994 we started to notice moisture and somtimes frost on the celings and walls every two feet where the raffters sit on the walls. Needless to say, I now I have black mold every two feet on the walls and celings. Everyone I talked to said, they thought that the attic needed more ventalation, so I installed three turbines, One on the garage and two on the house. (The garage is 20x20 and the house is 24x46) The attic between the house and the garage is open to one another. The garage is also heated. The turbines did not take care of the problem. Again convinced by others that it is a ventalation problem, I installed a power attic ventalator. That also did not take care of it. It was at that point that I decided that the builder must not have insulated the tops of the walls, so to check this out I tore off the soffit panales and dicovered that the vent shoots were stapeled to the inside of the wall, so when the insulation was shot in it did not cover the top wall plate. Thinking I had my problem figured out, I insulated the tops of the walls. This also did not take care of the problem. Heres a little background. There are seven people living in the house, so there is alot of showering going on, and alot of lundry. We also use a dishwasher and have a 75gal. fishtank. Oh ya! I forgot about the dehumidifier, I thought humidity may be high so I bought a dehumidifier and a humidity gauge. The humidity in the house stays between 35 and 45 percent. If any one out there has any clue what I should do, please help me! (I'm sick of painting every spring.)


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