Product marked CE, as per European standard EN 14195 (quality of raw materials type DX51D+Z100 MAC) and EN 14353 (no permanent deformation or breakage as a result of bending tests).
Product perforated with an array of holes to improve bonding of jointing compound to the plasterboard surfaces.
Product easy to work with (the thickness of the material makes it easier to cut and screw).
Product features a continuous curve (without serrated parts) to create uniform finished surfaces.