Install Ground Vapor Barrier

Putting down a vapor barrier on an even, dry surface and measuring it is the first step in installing one. When spreading and laying out your crawl space moisture removal barrier, make sure to overlap all seams and tape them together for the best possible protection against moisture.

Is it possible to put a vapor barrier in the crawlspace?

For a trained professional, installing a vapor barrier is a straightforward process. They'll start by clearing away any loose debris and grading your crawl space, which will prepare it for the next step. Adding insulation to a crawl space with a dirt floor is a critical step in the overall process.

In a crawl space, what do you put underneath the vapor barrier?

Drying out the space under the house is accomplished through the use of foil-faced rigid insulation. The plastic and insulation will eliminate any moisture issues you may be experiencing in your crawlspace, such as water droplets accumulating on the concrete walls and around the plumbing.

Is crawl space encapsulation really necessary in this day and age?

Moisture in your crawl space will only cause structural damage over time if it is not addressed. The vapor trapped within your crawl space has the potential to rot the wooden frames and flooring of your home. Moisture is kept out of the crawl space by encapsulating it. Furthermore, encapsulation helps to keep dangerous pests such as termites out of the home.

How thick should the vapor barrier in a crawl space be?

For effective coverage of the area and the creation of a moisture barrier, vapor barriers should be at least 6 mil in thickness. Depending on your budget and the needs of your home, you can use both a 6 mil material for simple vapor barrier installation and a thicker, more durable 12 mil vapor barrier material for more complicated vapor barrier installation.

Do ground moisture barriers have any effect?

Yes. In terms of addressing subfloor moisture, it can be the most effective option and can be even more effective than subfloor vents.