Vapor Barrier For Concrete Slab
Find out where to buy vapor barriers and other problem solving products.
Vapor barrier for concrete slab. Uncontrolled water vapor through concrete slabs has cost building owners designers and contractors billions of dollars. To be effective a vapor barrier must be installed in a way that prevents any water vapor from getting to the slab. The use of underslab vapor barriers is the best method and most economical solution for controlling water vapor migration through concrete slabs. Vapor barriers have been associated with certain concrete slab on grade problems including curling and cracking.
The other characteristic of a good vapor barrier that makes it effective is resistance to punctures and tears. 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. Should you put a vapor barrier under concrete slabs. The term vapor barrier is often used interchangeably with the term vapor retarder to describe all membranes used to resist water vapor transmission.
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. Astm e 1643 standard practice for installation of vapor retarders used in contact with earth or granular fill under concrete slabs provides details but here are a few tips. Vapor barriers come in two types 6 mil vapor barrier roll. Florprufe vapor barriers gcp lied slab vapor barrier by professional concrete floor problems building under monolithic concrete slab 10 and 15 mil underslab vapor barrier concrete vapor barriers ers.
Vapor and gas barriers. But they have also proven to be beneficial in reducing failures of moisture sensitive flooring materials adhesives and coatings caused by excessive emission of moisture vapor from concrete slabs.