Crawl Space Dimple Underlayment Drainage Mat foundation butyl tape support to existing beams and

support to existing beams and floor joists in your crawl space

The only tools you’ll need are channel locks

Excessive dirt

Our #1 recommended odor eliminator

Air sealing attic

Crawl Space Dimple Underlayment Drainage Mat foundation butyl tape support to existing beams andFREE SHIPPING Continental U. S. Qty 1 Roll 6'9" x 50' Flow Rate: 18 gal min ft Vapor barrier drainage matting underlayment has water channels created by molding high density polyethylene (HDPE) into sheets featuring aligned dimples. The stud shaped dimples create space between the vapor barrier and the ground, allowing water to flow quickly and harmlessly away while protecting the crawl space vapor barrier. 100% recycled HDPE content used for the base