The building materials selection has a major influence on the overall result of a sustainable building. But what really matters when it comes to choosing materials? And what information is really relevant, far from trends and marketing statements? The report "Building materials and sustainability" provides planners and builders with principles and methods to guide them in their material decisions. At the same time, it creates a basis for communication with building product manufacturers. In a compact form with numerous graphics, checklists and a selection of building material alternatives, it motivates implementation.