[vc_row][vc_column][heading title="Dry lining Contractors"][/heading][vc_column_text] Dry lining Contractors Dry lining or plasterboard is an inner layer of gypsum sandwiched between two outer layers of lining paper. Gypsum is made from crystals that contain a small amount of water. This prevents fire from spreading. It can be designed for even better fireproofing. It is compact, therefore good for soundproofing.