This work provides practical and comprehensive knowledge about the functions of various components and properties of coatings and external thermal insulation composite systems (ETICS). The most common defects, their causes, and the methods for remediation are clearly described, taking into account the relevant regulations and case law. Numerous illustrations, tables, and drawings help to easily understand the respective technical contexts. The third edition has been revised and expanded to include current legal rulings, regulations, and standards, as well as new illustrations and drawings.