Buy 4’x 8′ Access Mats Direct Best Price 4′ x 8′ HDPE Sheets Custom Fl Sheets We carry 4’ x 8’ sheets in stock in both white and black. Thickness ranges from 1/16” to 1/2” thick. Custom cutting is available. For custom sizes or bulk pricing please call 800-644-7141 Buy 4′ x 8′ HDPE Sheets Direct Do you have a Custom Order?