The bendable and adaptable construction board. - please see photo for explanation on cross & length cut slots With its pattern of slits on one side, JACKOBOARD® Flexo creative construction board is extremely easy to bend, making it ideal for creating curved shapes. Its extruded polystyrene (XPS) foam core makes it water-repellent, and the special coating on both sides permits the direct application of tiles, render or plaster. That means JACKOBOARD® Flexo is the perfect construction board for forming curved contours in rooms with high humidity – and due to its excellent thermal properties, it can also be used as a flexible thermal insulation board. Product characteristics JACKOBOARD® Flexo: Made of extruded polystyrene foam Water-repellent With special coating on both sides Extremely small bending diameters with 30 mm thickness: inside 240 mm, and with 50 mm thickness: inside 480 mm Board dimensions: 1300 x 600 mm (with lateral slits) and 2600 x 600 mm (with longitudinal slits) Low weight approx. 3–6 kg/m² For rooms with high humidity