Measured in "mils" (1 mil = 1/1000 of an inch). "Thick" in this category usually refers to 6 mil to 10 mil material used for vapor barriers, construction covers, and tarps.
: Similar selection to Home Depot, often carrying the Project Source brand of heavy-duty sheeting. Specialized Industrial Suppliers buy thick plastic sheets
Buying Thick Plastic Sheets: A Comprehensive Guide Purchasing "thick" plastic sheets can mean two very different things depending on your project: heavy-duty flexible (often sold in rolls) or rigid structural sheets (sold in panels). This guide breaks down the materials, thicknesses, and sources for both categories. 1. Defining "Thick": Sheets vs. Sheeting Measured in "mils" (1 mil = 1/1000 of an inch)
For standard sizes (like 2'x4' or 4'x8') and common thicknesses: Defining "Thick": Sheets vs
Understanding the terminology is the first step to getting the right product.
Always support the sheet fully on a flat surface or a piece of plywood while cutting to reduce vibration.