Feb 22, 2022 · HDPE sheets, such as 4×8 HDPE sheets, need to be fastened with a screw, plastic rivet, or nail. HDPE is strong, but luckily it’s nothing a good power drill and a steady hand can’t overcome. HDPE sheets can be cut or drilled the same way you would wood. HDPE sheets cannot be glued to itself or other materials as there are expansion and