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The progressive deterioration of concrete surface structures is a major concern in construction engineering that requires precise repairing. While a number of repair materials have been developed, geopolymer mortars have been identified as potentially superior and environmentally friendly high-performance construction materials, as they are synthesized by selectively combining waste materials containing alumina and silica compounds which are further activated by a strong alkaline solution. Geopolymers as Sustainable Surface Concrete Repair Materials offers readers insights into the synthesis, properties, benefits and applications of geopolymer-based materials for concrete repair. • Discusses manufacturing and design methods of geopolymer-based materials• Assesses mechanical strength and durability of geopolymer-based materials under different aggressive environmental conditions• Characterizes the microstructure of these materials using XRD, SEM, EDX, TGA, DTG and FTIR measurements• Describes application of geopolymer-based materials as surface repair materials• Compares environmental and cost benefits aga