DIAGONAP™ is made up of stacked layers that are mechanically bonded. It provides mechanical strength to + / – 45° to the longitudinal axis. It has mechanical characteristics oriented at 0°, 90°, 0° and 90°. It can also be assembled with a layer of chopped glass fibers (mat without chemical binding) or with a glass fiber veil. This product can be made of glass, aramid, carbon, or a combination of fibers.