The Dolmasol Polisterol FS-25 is an expanded polystyrene insulation material designed to improve thermal efficiency in various construction projects. This EPS grade provides a reliable barrier against heat transfer, helping you maintain a consistent indoor own temperature. This variant features 4cm sheets, which come in packs of 12, providing a robust thermal layer for your specific needs. These lightweight sheets are easy to handle and handle during installation, making them a reliable choice for those looking to integrate a a single, effective thermal insulation layer into their building's structure.