Put simply, a Vapor Barrier in a crawl space is a layer of polyethylene plastic that prevents moisture in the dirt floor of the crawl space from evaporating and then seeping into the air beneath your home. It is spread across all exposed dirt and generally 8 inches up the wall. This is whats considered "sealing" your crawl space compared to doing a full encapsulation.
PHR uses The 12 mil GuardianLiner™ which is a extremely durable, high quality crawl space vapor barrier/liner.
There are three major components that make this liner an excellent choice for the crawl space environment.
Vapor Barriers will....
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