Basement Humidity After Rain Storm

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Meast21

Well-Known Member
My basement is humid all the time and have a dehumidifier running 24/7 and it keeps the humidity at 50%. We got a 2 inches of rain in about 15 hours 3 days ago and I got a little water in my basement (its dry now) and the humidity is at 55/56%... Could all the rain have messed up my humidity for good and raised it 5% for good or maybe the outside area around my house has a bunch of water trapped in it and once the ground dries up my humidity will be back down to the normal 50%??? What you think?
 
Herb & Suds

Herb & Suds

Well-Known Member
Meast21 said:
My basement is humid all the time and have a dehumidifier running 24/7 and it keeps the humidity at 50%. We got a 2 inches of rain in about 15 hours 3 days ago and I got a little water in my basement (its dry now) and the humidity is at 55/56%... Could all the rain have messed up my humidity for good and raised it 5% for good or maybe the outside area around my house has a bunch of water trapped in it and once the ground dries up my humidity will be back down to the normal 50%??? What you think?
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I think if we get anymore rain up here in the great white north we will need to build an ark

No one can tell you the answer
Kinda like the farmers almanac predicting the weather
 
M

Meast21

Well-Known Member
Herb & Suds said:
I think if we get anymore rain up here in the great white north we will need to build an ark

No one can tell you the answer
Kinda like the farmers almanac predicting the weather
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My question is could all of this rain have permanetly made my basement more humid?? Without a dehumidifier my humidity would be 99%. Running 24/7 it can only get the humidity down to 50% exactly... When everything on the outside dries out, will my basement humidity go back to 50% or will it always be like 55% now?? I hope all this rain didn't mess up my basement's humidity for good.
 
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Meast21

Well-Known Member
@Herb & Suds

You ever heard of anything like this?? What the hell is making my basement humidity 5% higher? Is it really all the water around the house from 3 days ago??
 
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Meast21

Well-Known Member
Ice Cubez said:
sounds like you have an unfinished basement that needs to be sealed up. The outside environment is seeping in! to answer your question no your humidity will not be permanently stuck at 55%
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Ok thanks.. Yeah we got 2" of water in like 15 hours and it was wet before this.. I'm hoping you are right that my basement wont be stuck at 55%, I'm guessing the outside is just too wet.... Yeah in the summer my basement is 75 degress and 100% humidity and in the winter its 58 degrees and 60% humidity. These numbers are if no lights or anything is running downstairs.
 
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Meast21

Well-Known Member
Ice Cubez said:
sounds like you have an unfinished basement that needs to be sealed up. The outside environment is seeping in! to answer your question no your humidity will not be permanently stuck at 55%
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Is there a fast and easy way to seal up my basement?? My humidity always runs 48-52% ( with the dehumidifier running 24/7/365) and I would like to get it lower.
 
Boatguy

Boatguy

Well-Known Member
Meast21 said:
Ok thanks.. Yeah we got 2" of water in like 15 hours and it was wet before this.. I'm hoping you are right that my basement wont be stuck at 55%, I'm guessing the outside is just too wet.... Yeah in the summer my basement is 75 degress and 100% humidity and in the winter its 58 degrees and 60% humidity. These numbers are if no lights or anything is running downstairs.
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How are you getting water in there? Assuming a sump, or french drain?
Being low on the water table sucks, i've lived in multiple houses with wet basements
 
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Meast21

Well-Known Member
Boatguy said:
How are you getting water in there? Assuming a sump, or french drain?
Being low on the water table sucks, i've lived in multiple houses with wet basements
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I don't get water unless we get a bunch of rain.. My basement is 700 sq feet and there is no water now and when there was there was like 2 gallons of water total which isn't much... However I'm guessing around my foundation is soaked and thats why the basement humidity is 5% higher than normal??
 
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Ice Cubez

Well-Known Member
If it's just a minor leak look into
Liquid Rubber Concrete Foundation and Basement Sealant

worked pretty well in my basement. Not perfect but much better than the constant running water every rain fall.
 
Boatguy

Boatguy

Well-Known Member
Gutters only help If you can get that water farther from the foundation. One place i was in was so wet we dug a leaching pit 30 ft from the house and trenched for pvc pipe from each downspout. It made a major difference
 
M

Meast21

Well-Known Member
Boatguy said:
Gutters only help If you can get that water farther from the foundation. One place i was in was so wet we dug a leaching pit 30 ft from the house and trenched for pvc pipe from each downspout. It made a major difference
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Yeah I just think the foundation around my house got soaked which raised my basement humidity.. This never happened before.. Its only 5% humidity, but 50 to 55% is a big deal kind of.
 
Boatguy

Boatguy

Well-Known Member
Meast21 said:
Yeah I just think the foundation around my house got soaked which raised my basement humidity.. This never happened before.. Its only 5% humidity, but 50 to 55% is a big deal kind of.
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If your summer humidity levels down there are honestly 100% you definitely need to get that water away from the house. No interior coating will even adhere to the cement at that level
 
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