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re: Patio concrete sweating
Posted on 2/13/18 at 9:38 pm to AlxTgr
Posted on 2/13/18 at 9:38 pm to AlxTgr
Let me help you out, goodness people.
Vapor barriers are there to prevent moisture from the bottom to the top. It's biggest use is for HVAC'd areas, so moisture doesn't come through the concrete to your flooring.
Carports and outside cement sweats from the top mostly. The ground is colder then the air so the concrete on the ground sucks the moisture out of the air, it's like grass dewing in the morning. If you put something over the grass, that's going to dew also.
Vapor barriers are there to prevent moisture from the bottom to the top. It's biggest use is for HVAC'd areas, so moisture doesn't come through the concrete to your flooring.
Carports and outside cement sweats from the top mostly. The ground is colder then the air so the concrete on the ground sucks the moisture out of the air, it's like grass dewing in the morning. If you put something over the grass, that's going to dew also.
1
Posted on 2/13/18 at 9:57 pm to baldona
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