I have for sale an HDPE sheet with the following dimensions: 4000x2000 mm, and available thicknesses: 5, 15, 20, 25, 30, and 45 mm. A 6000x2000x55 mm sheet is also available. These sheets are intended for welding tanks, as flooring for truck trailers, and as flooring for animal kennels.
Upon request, it is possible to send technical documentation for each board and more photos