US Patent 11198170 Bulk textured material sheeting

A material including a metal sheet, a first plurality of raised and pointed structures, and a second plurality of raised and pointed structures is provided. The metal sheet includes first and second opposed sides, and a thickness between the first and second opposed sides. The first plurality of raised and pointed structures are gouged out of the first side of the metal sheet. The sheet is not perforated, and the raised and pointed structures of the first plurality have a height of between 150% and 300% of the thickness. The second plurality of raised and pointed structures are gouged out of the second side of the metal sheet.