Knauf Guardex 1200x2400 12.5mm - Premium quality gypsum-based plaque for high humidity and air effects. This material produced with unique water repulsive technology is ideal for use in both domestic and external applications. Thanks to a solid nucleus and water-resistant cover, it is longevity, protects stability without deformation. With the thickness of 12.5 mm, the wall and ceiling constructions also give the perfect results in ventilated facade systems. It is a reliable choice in both residential and commercial facilities with voice insulation and fire sustainability features.