Thickness is measured in "mils" (one-thousandth of an inch). A higher mil count indicates a thicker, more tear-resistant sheet.
: The standard for construction and gardening . At 6 mil, the plastic is thick enough to serve as a vapor barrier under concrete slabs or crawl spaces. buy black plastic sheeting
: Best for temporary surface protection. Commonly used as painter's drop cloths or dust covers for furniture during DIY projects. Thickness is measured in "mils" (one-thousandth of an inch)