Gyptone acoustic ceilings are based on a 10 mm specialized gypsum board (6,5 mm Curve is also covered by this EPD) suitable for most interior building applications where normal levels of fire resistance, structural strength and sound insulation are specified. Gyptone ceilings are produced with Active Air, which is standard in all Gyptone ceiling boards, a patent technology designed to degrade VOC emissions from emitting building materials, paint, furniture, carpets etc. Active Air degrades VOC s, like formaldehyde, into non harmful inert compounds. Active Air can reduce formaldehyde concentrations up to 70 %*. Gyptone ceiling can be mounted in suspended grid system with exposed or concealed grid as demountable or non-demountable boards with smooth surfaces. Gyptone ceilings are easy to install and have a robust surface with high impact resistance. Gyptone ceilings are available in many formats and edges for optimal design options. The products are Gyptone 10 and 6,5 mm, Tiles 10 mm, Xtensive 10 mm, CURVE 6,5mm.