True vapor barriers should have a permeance rating ... When heavy equipment such as ready mix trucks, laser screeds or concrete buggies will be operating on the vapor retarder, use a 15 mil ...

However, concrete is not maintenance-free ... pre-formed extrusions and flashings, and air and vapor barriers. Primary chemistries utilized are Silicone, Urethane, Latex, and STPU’s.

If the floor in your home's garage always feels a little damp, you may be concerned that something is wrong. You should know ...