Expert Eko Matt CEZAR underlay is made from extruded polystyrene (XPS). It features capability to level floor unevenness, high compressive strength and it muffles walking sounds. Expert Eko Matt is sold as single sheets of 0,56 m2 area and thickness of 3, 5 or 6 mm. Sheets provide easy trimming and fast laying of underlays. Expert Eko Matt is intended for all types of flowing floors. It is recommended to use it together with Cezar Basic Izopar – the vapour retarder film