Metals: Corrosion mechanisms; Corrosion types; Corrosion of some metals in practice; Protection of metals. Concrete: Chemical degradation mechanisms; Frost-thaw and de-icing salt damage; Reinforcement corrosion; Principles of protection and repair of concrete structures; Repair mortars; Crack repair methods; Protective surface treatments; Cathodic protection systems; Practical cases of repair. Wood: Deterioration; Protection; Hazard and durability classes; Maintenance and restoration; Repair. New high-performance materials: High-performance concrete; High-performance steel; Fibre-reinforced polymers. Strategies for durability design, maintenance and repair: Definitions; Listing of deterioration mechanisms and effects; Approaches to design for service life; Probabilistic appoach to service life design; Redundancy and over-design; Maintenance strategies; Life cycle costing; Environmental life cycle assessment. Case studies: Specification; Case study 1: Steel and concrete bridges in a warm environment; Repair of reinforced concrete floors; Wooden piles. Design for durability; Life-cycle costing; Maintenance management; Repair strategy.