Concrete Floor Vapor Barrier

The american concrete institute s guide for concrete floor and slab construction recommends that the thickness of the vapor retarder be at least 10 mils.
Concrete floor vapor barrier. Moisture barrier between the sole plate the concrete slab. Lay vapor barrier. Seal krete vapor shell is designed to reduce moisture vapor emission levels up to 25 lbs 1000 sq. Always read the flooring manufacturers recommendations and instructions before installing the underlayment.
Check these three companies out for yourself and make your own decision as to which one is the best concrete floor vapor barrier for your project. Seal krete vapor shell is a low viscosity clear one coat 100 solids epoxy membrane forming moisture vapor control system formulated to bond to concrete with relative humidity rh. These plates must be made of pressure. Overlap the seams about 6 to 8 inches and seal the seams with waterproof construction tape.
All three companies vapor barriers meet or exceeds all requirements of astm e 1745 09 class a b c. Aci 302 2r 06 guide for concrete floors that receive moisture sensitive flooring materials estimates that concrete with a w c of 0 5 will dry to an mver of 3 pounds 1000 sq. Sole plates or sill plates are the first pieces of framing lumber placed in home construction. Before rolling out the underlayment be sure to sweep vacuum and remove all debris on the substructure.
A vapor barrier should be used for all concrete floors and slabs that are going to receive an impermeable floor finish like epoxy laminate linoleum and wood or if the concrete floor will be used for any purpose where the passage of water vapor through the floor may create problems. Run the polyethylene up the sides of the walls 3 to 4 inches and secure to the walls with. Ft 24 hours to 3 lbs 1000 sq. Ft 24 hours in 82 days with a vapor barrier compared to 144 days when exposed to vapor from below.
Insulating concrete garage floors begins with covering the entire floor with 6 mil polyethylene which will serve as a vapor barrier. Acoustical underlayment w vapor barrier for luxury vinyl flooring 54 pack model qwlv100 2 430 00.