The moisture that appears on the new floor about a foot from the wall.
Moisture barrier in garage.
My old garage which was expanded is dry.
Ceiling vapor barriers are a bad idea because they keep water vapor trapped inside the garage.
My new concrete garage was poured over a heavy moisture barrier that i witnessed being used.
This material adapts to let moisture out of the wall whether the humidity levels are higher on the outside of the wall winter or the inside summer.
Vapor barriers can help to keep condensation under control if installed in the right places.
Most garages don t need vapor barriers because the amount of vapor that diffuses through garage walls ceilings and the floor is not enough to cause wet walls that result in moisture damages.
Proper installation of a wall vapor barrier or using insulation products with a built in vapor barrier will reduce garage condensation a vapor barrier can also be used to cover the floor but avoid using it on garage ceilings.
However if you live in a cold climate zone such as alaska it s a good idea to install a vapor barrier on the warm in winter side of the wall.
A smart vapor retarder is a vapor retarder material with the unique ability to react to changes in relative humidity by altering its physical structure.
I have an unfinished garage.
Use a vapor barrier.