Laminated plasterboard consisting of a 100% natural gypsum core closely bonded to two sheets of cellulose. Due to its characteristics, this board is classified as Type A according to standard EN-520:2004 +A1 2009. It is a laminated plasterboard, on one side of which an appropriate gypsum-based plaster or decorative finish can be applied. It is identified by its light gray front color. The back features a special layer highly resistant to vapor diffusion. It is characterized by a nominal thickness of 13 mm and a nominal width of 1200 mm. This board has its longitudinal edges covered with cardboard and configured as Tapered Edges (BE).