Standard sheets of foam are cut slightly larger than the listed size to mpensate for shrinkage during packaging, transit, and delivery. Sheets may ntain rough edges or smooth skin. HDPEpping 50ft 1/4" Roll The 50 foot 1/4" roll may be split into two rolls of 25 feet for HDPEpping purposes depending on your location. HDPEpping 50ft 3/8" and 1/2