The main theme for BUDMA 2011 will be "Sustainable Construction - Investment in the Future". Sustainable development is one of the most important and most current issues in all human activities and economic functions. "Sustainable Construction" is the conscious following of economic, ecological, and ergonomic principles in construction, with the aim of optimizing building energy efficiency, assuring user safety, comfort and functionality, and minimizing natural environment impact. Construction in Full Scope BUDMA subject matter encompass all stages of construction investment realization - from design, ground works, and equipment on the construction site, through to construction elements, walls, elevations, ceilings, floors, windows, doors, roofs, and building chemicals, through to finishing systems and building management systems.