Optimization of conventional and recycled concrete aggregate (RCA) mixtures for concrete facades

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Demand for landscaping products in North America and worldwide is rapidly increasing over the last years due to the raise of urban population. Among them, decorative products for facades are seem to be the largest segment in the near future. In this context, Renostone is a Canadian company specializing in the production of concrete bricks for interior and exterior facades. Renostone products consist of lightweight concrete stones and bricks that are easy to install over any wall surface, without the need of structural supports. Product thickness varies from ½" for Renobrik to 1 ½" for Renostone. Renostone products are made of a special lightweight concrete formulation consisting of Portland cement, high quality lightweight aggregates, colour oxide pigments