The Polyethylene plastic sheeting is a general-purpose plastic film for use in a variety of construction and DIY projects. This plastic can be used to cover crawl spaces and as a temporary cover for equipment and supplies. Commonly used under concrete slabs as a vapor barrier and on top of freshly poured slabs as a curing blanket. Protect and conceal your product. Use in construction, masonry and landscaping. Heavy-duty opaque plastic sheeting. Quality low-density film on a continuous roll.