Sealing Basement Floor Before Laminate. You should always seal concrete with a moisture barrier primer sealer or paint. At the end of that time, lift the squares to see if moisture has accumulated on the bottom of the plastic. Cut plastic garbage bags into squares, and then tape them to the floor in various places around the basement.
Check the humidity level of basement slab concrete: Leave the sealed bag on the floor overnight. Snap the chalk line over the top of the concrete or moisture barrier between.
Gallery of Sealing Basement Floor Before Laminate
Concrete is normally very porous. At the end of that time, lift the squares to see if moisture has accumulated on the bottom of the plastic. 2) mix the floors concrete with latex or a polymer that will not allow water to migrate through the concrete. Under this i will use the recommended vapor barrier per mannington recommendations.
