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  #2601  
Old 2019-07-05, 05:37 AM
Astatireza Astatireza is offline
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Nice meeting you Phil. I'll keep this information for future reference.
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  #2602  
Old 2019-07-09, 01:54 PM
lermar lermar is offline
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Default Wet basement insulation

Hi Phil,
after some heavy rain, we've got basement water penetration in the brand new house. Builder has fixed it since then, but pink wall insulation is still wet. Builder said it will dry out. Basement is unfinished but I suspect it will develop mold, so question for you - should wet insulation be replaced by the builder or not? Thank you
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Last edited by lermar; 2019-07-09 at 01:57 PM.
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  #2603  
Old Yesterday, 05:05 AM
Astatireza Astatireza is offline
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It's good to have a site like this. I been learning a lot from the questions and answer.
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  #2604  
Old Yesterday, 10:07 AM
Inspector Phil Acker's Avatar
Inspector Phil Acker Inspector Phil Acker is offline
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Quote:
Originally Posted by lermar View Post
After some heavy rain, we've got basement water penetration in the brand new house. Builder has fixed it since then, but pink wall insulation is still wet. Builder said it will dry out. Basement is unfinished but I suspect it will develop mold, so question for you - should wet insulation be replaced by the builder or not? Thank you
The type of foundation repair look like epoxy injection, typically performed from the interior. Properly performed, this will prevent future water leaks.

Wet fibreglass insulation does not result in mold, unless there is a contaminant in the insulation or vapour barrier. So the risk of mold is minimal. My concern is that you are saying the insulation is wet. Is it possible that there is still a leak at this location in the foundation?

Just a note on indoor humidity: in muggy hot weather, indoor humidity can raise to a level where moisture condenses on the vapour barrier. The ideal indoor humidity is in the range of 50%. If you have a dehumidifier, I suggest that this should be plugged in, connected by a hose to a floor [or condensate] drain, and set to either 45 or 50%.
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