Width: 1200mm, Length: 2400mm, Board Coverage: 2.88m^2, Density: 883.33kg/m^3, Weight/m²: 10.6kg, Weight: 30.53kg, Thermal Conductivity: 0.286W/m, KR-Value: 0.04m2K/W, Surface Spread of Flame: Class 1, Fire Rating (Reaction to Fire): A1(Non-combustible). Glasroc Multiboard 12.5mm F is a highly versatile, Class 0, non-combustible glass reinforced gypsum board manufactured by a unique continuous process, developed and patented by British Gypsum. The non-combustibility of gypsum and the reinforcement of glass fibre combine to produce a strong and resilient product, which has resistance to sag and offers excellent fire protection. It also offers increased levels of moisture performance. Glasroc MultiBoard 12.5mm has an exceptionally smooth, water repellent plaster surface. It offers good impact resistance without being prone to cracking or shattering.