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  • May 26th, 2020 12:00 pm
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[OP]
Sr. Member
Dec 25, 2006
569 posts
454 upvotes
Ottawa

Damp Garage Floor

Hi everyone. It seems that the floor in my garage is damp the past few days. I have interlock in my driveway leading up to the garage floor, and even the polymeric sand between the last row of brick, and my garage floor is wet. Do you think that this is the result of the sudden increase in outside temperatures and humidity? I live in Ottawa, where we have quite a bit of humidity in the summer, but I have never noticed a damp garage floor. Is there anything else it could be besides humidity? Thanks so much in advance.
9 replies
Deal Expert
User avatar
Feb 11, 2007
15639 posts
16784 upvotes
Oakville
Is the ground around your house damp? Do you have good slope away from your house for drainage? Do your downspouts extend far from the house for drainage?
My guess is water in the soil is soaking up through your garage floor.
[OP]
Sr. Member
Dec 25, 2006
569 posts
454 upvotes
Ottawa
The ground around the house seems dry. We haven't had any precipitation in quite some time. It's been sunny, hot and humid. Do you think there is any chance that there could be a leaking pipe etc.? Thanks again.
Deal Expert
User avatar
Feb 11, 2007
15639 posts
16784 upvotes
Oakville
marksmithy69 wrote: The ground around the house seems dry. We haven't had any precipitation in quite some time. It's been sunny, hot and humid. Do you think there is any chance that there could be a leaking pipe etc.? Thanks again.
It could be a leak. Turn off all water and check your water meter, then check a few hours later and see if the reading changes.

Is your garage cold? It could be condensation.
[OP]
Sr. Member
Dec 25, 2006
569 posts
454 upvotes
Ottawa
engineered wrote: It could be a leak. Turn off all water and check your water meter, then check a few hours later and see if the reading changes.

Is your garage cold? It could be condensation.
I wouldn't consider it cold. It's quite warm to be honest. Especially the past days with this heat.
Deal Addict
Sep 13, 2016
2627 posts
1417 upvotes
Mississauga
engineered wrote: Is the floor cold though?
Condensation could be a possibility if the garage floor is colder than the ambient air temperature and air is humid. Sometime back, the water sensor in a bathroom in my home started to report a leak. When inspected, I came to notice that the flush water tank of the toilet was building up enough condensation that few water droplets were falling on the sensor which was placed exactly below the tank.
Newbie
Feb 16, 2020
54 posts
16 upvotes
Windsor
Perfectly normal for this time of year. There is nothing wrong.
[OP]
Sr. Member
Dec 25, 2006
569 posts
454 upvotes
Ottawa
engineered wrote: Is the floor cold though?
Not really. It is a little cooler than the ambient air, because it is crazy hot again today. I'm guessing (hoping) that it is condensation.

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