Hotblok Polska Sp. z o. o. owns an exclusive license for production and sale of the HOTBLOK system in Poland, i.e. the simplest system for construction of buildings which allows to save a lot of time and reduce construction costs. The Hotblok system achieves a truly impressive thermal insulation value compliant with the latest guidelines, which allows it to meet the requirements of passive building construction. Carlson Investments S.A. holds 100% of the shares in the Company’s share capital.