Chapter 1. Maintenance of buildings and components: Introduction -- Chapter 2. Condition-Based maintenance: Application of service life prediction in the definition of maintenance plans -- Chapter 3. The use of Petri Nets to model the maintainability of buildings: Theoretical concepts related with Petri Nets -- Chapter 4. Maintainability of buildings envelope: With and without maintenance, the relevance of adopting maintenance strategies -- Chapter 5. Multi-objective analysis and comparison of difference maintenance strategies.