This case study was based on the project for rehabilitation of sealing of facades, built in precast concrete, an industrial plant galvanizing of steel structures. Analysis of the Brazilian Standard NBR 6118 (design of reinforced concrete) was taken as well as review of literature on durability to identify causes of pathologies and prescribe the best therapy with the most appropriate materials and techniques. It was noticed that the main agents are aggressive chlorides and epoxy is the most suitable material that recovery.
