HDPEpping 2" Polyethylene 2" x 48" x 108" and 2" x 24" x 108" sheets will be cut down to 54" x 24" sheets for HDPEpping purposes. 1/8″ pe 300 polyethylene sheet for water tank--HDPE sheets 4× . High Density Polyethylene Sheet, HDPE Sheets Canada High density polyethylene can be shaped and formed as sheets, rods, rolls etc. by standard heat