This advanced system begins with an optional fiber-reinforced, flexible, crack-bridging cementitious repair mortar designed for wide joints and structural repairs. It can be applied underwater and is suitable for both internal and external applications, providing reliable repair performance in demanding conditions. The system continues with a water-based penetrating sealer that enhances adhesion, compressive strength, and moisture resistance in substrates such as concrete, plaster, and cement board, while also acting as a curing compound by forming a protective film that prevents premature water loss in fresh concrete. It is completed with an acrylic-based waterproofing coating that forms a durable, UV-resistant, crack-bridging membrane with high solar reflectance, providing long-term protection for roofs, metal profiles, polyurethane foam insulation, underpasses, and bridge decks in both residential and industrial environments.