a corrugated skateboard deck and method of corrugating skateboard decks in the skateboard deck manufacturing process . the corrugated skateboard deck has elongated corrugations embossed into at least one of its top and bottom surfaces and generally extending between first and second ends of the skateboard deck . the elongated corrugations are made up of ridges and grooves which are pressure - formed in a method of corrugating the surfaces of skateboard decks . this method utilizes a high - density corrugated template to emboss corrugations under high pressures .