Cold and heat insulation in one.
ISUM MF14 – the innovative energy-saving, multifunctional way. Noticeably warmer in winter and significantly cooler in summer. The unique selling point of ISUM MF14 is its14-layer structure (hybrid construction). The two outer surfaces each consist of a fabric-reinforced and aluminum-coated polyester film and have an infrared reflective property. Sandwiched between them are 4 polyester foils that are metallised on both sides, separated by 2 layers of polyester fleece and/or 6 of flexible polyethylene foam. This structure prevents thermal radiation from penetrating the hybrid material, reflecting it inwards or outwards, depending on the direction of irradiation. You can read more about this in the glossary under Emission coefficient ε, which for ISUM M14 is εi = 0.04, as recently tested and repeatedly verified by the Fraunhofer Institute for Building Physics IBP Stuttgart: test report no. P15-085.1/2017 of 2.5.2017. This emission coefficient corresponds to a reflectance of 96%.