Sandwich panel consisting of two laminated 10-mm thick plasterboards, attached on their backs to a special cellulose beehive to provide rigidity. Their special configuration gives PLADUR ALVEO panels greater strength. The boards are classified as A (Pladur N). It has a nominal thickness of 50 mm, with a nominal width of 1200 mm. The long edges of the board are cardboard-coated and tapered (BA).