Repair it the a.b.e. way DIY PRODUCT SELECTOR CEMENT REPAIR & GROUT BACK TO CONCRETE REPAIR & PROTECTION duragrout – Non-shrink cementitious grout for bedding, repairing, and grouting. duragrout GP – Non-shrink, cementitious general purpose grout. durarep FR – Fibre reinforced structural repair mortar with corrosion inhibitor. durarep FC – Cementitious fairing coat for filling blowholes. durarep 60 & 180 – Rapid-setting cement-based water-stopping powders.