1 Types of Gutters and How to Prepare for an Install. 2  Advice on Gutters and Downspouts. 3  Tips for Cleaning and Repairing Gutters.  Outdoor Spring Maintenance Tips.
One mil is 1/000th of an inch. A sheet of paper is 4/1000ths of an inch thick, so 10 mil has the thickness of 2 1/2 sheets of paper. A mil is not to be confused with a millimeter(mm). On average human hair is 100 microns or .004 inches. 10 mil is the width of about 2 and a half human hairs.
Plastic Sheeting comes in a wide range of thicknesses. It is rated with the term, mil. A mil is a measurement that equals one-thousandth of an inch, or 0.001 inch. Most human hair is One-thousandth of inch, or 0.001 inch. The most common size in the thickness rating for plastic sheeting is 6 mil.