Moisture Barrier For Basement Walls

We offer exclusive crawl space encapsulation and basement waterproofing systems that meet building code standards and create worry free spaces for years to come.

Moisture barrier for basement walls.

Crawl space ninja exists to provide homeowners with the quality service they deserve when it comes to their crawl space or basement. Building codes usually require a vapor barrier 4 mil plastic sheeting on exterior basement walls if the framing is attached to masonry or concrete surfaces or if the wood framing butts up against the outer basement walls. Vapor barriers are materials that combat moisture diffusion through walls ceilings and floors. The best option for insulating a basement is to use spray foam insulation.

Usually that is right behind the drywall. Aquastop wall liner is a 100 waterproof plastic vapor barrier that s perfect for unfinished basement walls. With fiber insulation and a vapor barrier moisture can get trapped in the insulation leading to moldy insulation and decay in the wood framing. Not every wall does.

But if you use. After the insulation is in place you will want to add a vapor retarder sometimes called a vapor barrier if you need one. You should then use fiberglass insulation that has a vapor barrier between the studs with the vapor barrier facing in toward the living space. Of foam against the wall this should not be a problem in your climate.

With a 25 year warranty for wear and tear it s durable washable and has anti microbial protection built in. Polyurethane sheeting is a typical vapor barrier that contractors use to prevent moisture from penetrating the walls of a basement. The foam layer should be continuous and sealed at joints to keep indoor air away from the concrete. A vapor barrier is also helpful to keeping a basement insulated and warm.

It is designed to stop moisture in the form of vapour that is inside the house from moving into the walls and forming condensation or ice. The material is stapled to the frame of a basement wall before it is finished with plaster or drywall. It provides the best coverage and r value and and functions as a moisture barrier in and of itself. The vapour barrier is more properly called a vapour retarder.

They are most commonly made of vapor retardant paint treated paper or foil or polyethylene plastics but there are other options. Whether or not you need a vapor retarder hinges on three main factors your climate your home and the location of the wall you re insulating.