What MIL is best for crawl space vapor barrier?
‘ A mil is equal to 0.001 inch of thickness. Codes for residential applications often cite a 6 mil (0.006-inch thick) minimum reinforced poly vapor barrier. However, Americover recommends 10 mil or higher, for crawl space applications. Americover offers thicknesses all the way up to 20 mil.
How thick should crawl space vapor barrier be?
Vapor barriers should be at least 6 mil in thickness to effectively cover the area and create a moisture barrier. Triangle Crawl Space Solutions uses both a 6 mil material for simple vapor barrier installation and a thicker more durable 12 mil vapor barrier material depending on the budget and needs of the home.
Do you need a vapor barrier in a concrete crawl space?
Yes. You need a vapor barrier in your crawl space. What’s more, a moisture barrier is the minimum amount of protection that you should have in your crawl space. A vapor barrier helps you to avoid expensive repairs.
How much does it cost to install a vapor barrier in a crawl space?
Vapor Barrier Installation The vapor barrier lines the ground and walls within the crawl space and prevents moisture from entering. A standard 20-millimeter vapor barrier typically costs from $0.50 to $0.70 per square foot.
Can I pour concrete in my crawl space?
At first glance, pumping concrete into a crawl space may seem logical to homeowners. “Concrete is a good option in new construction, but it’s often not a good choice for retrofit applications,” he says. “As long as there are stable soils, and if it’s poured properly, it should be fine.
What is the best way to insulate a crawl space with a concrete floor?
Fiberglass batts soak up crawl space moisture like a sponge, causing mold and rot. Adding spray foam or rigid foam board insulation to the underside of the floor can help warm up the floor and rooms above the crawl space.
Can I install vapor barrier myself?
Provided you’re not claustrophobic, installing a vapor barrier is a project most homeowners can DIY. You will need to calculate the square footage of your crawl space, so you can buy the appropriate amount of liner.