The development of materials that provide thermal comfort in buildings have become popular in recent years.The investigation of the technical characteristics of these products and the development on these characteristics have been accelerated in line with this trend. In this context, as well as the specifications of the materials used, the sensitivity to environment and economical processing are also important. In this study, particularly due to the low thermal conductivity of muscovite, mica

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... hists were used as one of the components of the composites together with well-known natural isolation materials such as perlite and pumice. On the other hand, for the first time, the arenitized granite was used for this purpose. The physical and mechanical tests were performed on blocks (40x40x160 mm in size) prepared from the combination of the materials mentioned above and final products (isolation panels) produced after the application of the mixtures on Expanded Polystyrene foam (EPS), Extruded Polystyrene foam XPS and Mineral wool. Both blocks and plates provide the expected technical satisfaction for the physical and mechanical characteristics, according to ASTM and Turkish standards.