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Found water damage on roof sheating during a home inspection

Posted by faithinhumanity (My Page) on
Fri, Oct 18, 13 at 14:10

I did not smell anything musty in the attic and no signs of "current" moisture.

But there is a significant amount of black and white "mold" or stains on the sheathing but the inspector said it doesn't look "active" and it was not wet.

The picture attached looks similar to my roof. (inspector has not sent me the pics yet of my potential home) but mine has a lot more black and white "mold" stains and the black is very dark and it is present on most of the sheathing all around the attic and not in one specific area.

Should I run or get a roof inspection? (mold test is already ordered)


Follow-Up Postings:

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RE: Found water damage on roof sheating during a home inspection

Mold is not really a problem when dry---it needs moisture to become active.

I saw a process (On a Mike Holmes show) where mold on the undersides of a roof sheathing was blasted away using CO2. I know our utility uses CO2 to clean high voltage line insulators---no moisture involved.

And water spots are just discoloration, the problem is when the wood degrades.

Wait for the mold test results and research various remediation processes.


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RE: Found water damage on roof sheating during a home inspection

Are ceilings stained? If the roof leaked that many places,some leaks had to stain ceilings. You may be looking at condensation damage due to poor atic ventilation which probibly wouldn't stain ceilings.


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RE: Found water damage on roof sheating during a home inspection

A lot of old homes have the water stains showing in the attic. Many times the old roofing leaked which was the source of the staining.

Here is a link that might be useful: Bergen County Contractors


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