Originally published by the Danish Standards Institute, this guide for the EN 1504-standards addresses the principles and methods that form the basis of the choice of repair materials and systems for rehabilitation of damaged concrete structures.The introduction of these standards not only applies a common set of values for the industry but also relate to the current drive to improve supply chain integration and to increase the value specialist input to projects in the early design stages, when it can be most beneficial.The book guides the reader through the EN 1504 series giving practical guidelines and examples to the main principles of the standards. It also gives concise explanatory notes to the annexes, which will help any professional in the building and construction industry fulfill the requirements for repairing concrete.