Vapor Barrier On Slab Before Hardwood

Completely tape to pipe and vapor barrier.

Vapor barrier on slab before hardwood.

We are talking about a glue down install of engineered wood over an on grade slab. It needs to dry and then stay dry to avoid flooring problems. Underlayment with 6 mil vapor barrier. Builders typically lay down a vapor barrier before they pour a concrete slab.

If the vapor barrier gets damaged before the concrete pour it must be repaired. Should a vapor barrier always be used in this scenario. The other two says it depends on our area of the valley and our slab. Our moistureblock is a 6 mil polyethylene film vapor barrier that is used during the installation process with floating laminate luxury vinyl planks and engineered wood floors.

First vapor barrier on the concrete slab one of companies always uses a vapor barrier flooring vinyl on all their jobs. There are many types of vapor barriers including pvc. Cut another piece of vapor barrier material large enough to cover the damaged area by a minimum of 6 inches on all sides. Vapor barriers are used because while fresh concrete is poured wet it s not supposed to stay that way.

Try cutting a 12 inch by 12 inch. Tape all the seams to adhere the repair piece to the existing vapor barrier. A concrete vapor barrier is any material that prevents moisture from entering a concrete slab.