This Guide is intended for the design and installation of roofing coatings using polymer membranes manufactured by TechnoNICOL under the LOGICROOF, ECOPLAST trademarks. This Guide has been developed taking into account the current regulatory framework based on many years of experience of TechnoNICOL specialists in the field of roofing materials. The Manual provides basic recommendations for the design and construction of polymer membrane roofs, individual components and structural solutions, as well as descriptions of the materials used. The solutions presented in this manual are advisory in nature and are designed to help architects and manufacturers.