Cleaning & Industrial Sheet 1" x 24" x 48" HDPE Sheet. 1" x 24" x 48" HDPE Sheet. Item 46041. In Stock. 198 /Sheet. Add to Cart. Overview. These sheets can be heat formed, shaped and welded to fabricate ducts, hoods, and much more. They have excellent rrosion resistance to a wide range of ite. Cannot be cemented but ...