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I was asked to look at an attic that has very visible mold and much moisture on the entire underside of the sheathing. Any ideas?

by LiveModern Webmaster last modified Mar 06, 2013 01:14 AM
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by last modified Mar 05, 2013

It is a cold attic in a 1970s era home with soffit vents and two gable end vents but no ridge vent. I know of course it needs a ridge vent added. It has batt insulation in the ceiling bay. It does have insulated HVAC ductwork and a furnace in the space but no sign of leakage. It has two bath vents ducted through the gables with flexible duct vent pipe. Moisture is very visable and condensing to the point where is drips down the wall and leaves streaks on the walls in the floor below. Also in one bathroom the tile has falled off the wall. Moisiture is condensing on windows in the house as well. I know the lack of ridge vent is a problem but I wonder if the roof is failing as well. There is just so much moisture. 




 

 

It is a cold attic in a 1970s era home with soffit vents and two gable end vents but no ridge vent. I know of course it needs a ridge vent added. It has batt insulation in the ceiling bay. It does have insulated HVAC ductwork and a furnace in the space but no sign of leakage. It has two bath vents ducted through the gables with flexible duct vent pipe. Moisture is very visable and condensing to the point where is drips down the wall and leaves streaks on the walls in the floor below. Also in one bathroom the tile has falled off the wall. Moisiture is condensing on windows in the house as well. I know the lack of ridge vent is a problem but I wonder if the roof is failing as well. There is just so much moisture. 

I know this might throw you for a loop but the lack of a ridge vent is not the issue, especially as you have gable vents.

The issue is excess moisture...


 

 

 
 
 

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