This dimpled drainage matting is an essential tool for any crawl space encapsulation job. It is designed to act as a buffer between the dirt or gravel crawl space floor and the plastic vapor barriers. This product will help with directing water out of your crawl space and will also greatly increase the life of your plastic liners. Read below for more detailed information. We have rolls in 6’8”x 50’ and 8’x 50’ but they require special shipping and to call for more information.