E90 is designed as an answer to the increased requirements of the contemporary architectural systems for improving the quality and the security of the ready product, reducing the time for installation, the uniqueness of design and the freedom of architectural solutions. The system was designed on needs and requirements that requirements that are recorded form projects and companies in the Balkan region. One of the advantages of the system is the installation without scaffolding and thus making it independent from weather conditions. The drainage of the rain water and the condensation is controlled. E90 is designed in the spirit of ETEM Energy Efficient Systems, a concept of ETEM to create new products in compliance with energy efficiency parameters, sustainable development and improving the working conditions