Why Does My Concrete Garage Floor Sweat

This is not actually a problem with the construction however but an issue that can often be controlled or eliminated by changing the upkeep of the area and in some cases the controlled climate conditions.

Why does my concrete garage floor sweat.

For most floors condensation is the main reason for the sweating especially in warm weather. What causes this and what can we do about it condensation on a garage floor could be the result of the lack of a vapor barrier under the concrete slab. When relatively warm moist air comes in contact with a very cool concrete slab the cold temperature of the concrete will cause the air that comes in contact with it to cool. Concrete sweating usually occurs when warm air comes into contact with a cooler concrete slab and it causes the concrete floor to sweat.

Condensation occurs when moist air comes into contact with the cool concrete of the garage floor. 1 the most likely reason a garage floor will sweat is warm moist air has entered from the outside and condensed water on the garage floor because the floor s temperature is below the dew point. Subsurface moisture is caused when hydrostatic pressure pushes water and moisture up through the concrete from below the surface. To be honest this is very rare especially in a garage or warehouse.

Causes of surface dampness on concrete slabs and garage floors. Why garage floors sweat before you stop the floor from sweating you have to investigate as to what s causing it. A concrete garage floor may sweat for one or more of the following reasons. Usually warm moist air and relative humidity enter the structure through the several openings windows doorways and vents.

Today s homeowner serves cookies to analyze traffic and better serve you. This usually happens when concrete slabs and the other materials that sweat reach dew point temperature. The second cause of concrete sweating is sub surface moisture. Why does my concrete floor sweat.

Humidity warm and humid air condenses into surface moisture when it comes into contact with the cool surface of your concrete floor or slab. Moisture as you would guess is the underlying cause of sweating on concrete floor slabs. For many homeowners the reason for a slick garage floor is condensation. When warm humid air from outside comes into contact with the cold concrete the air rapidly cools and condenses on the surface causing the wetness.

If you have concrete in your home that routinely appears to be wet or feels damp then you may have sweating slab syndrome.