Although facing concrete has also been used for some years in Ecuador, pure core concrete products have been in use much longer and more frequently due to cultural factors. This article shows that, in the meantime, competition has developed between paving stone products with and without facing concrete, wherein the latter are clearly preferred by customers. Due to this fact, the special challenge consisted of working with a system which has clear disadvantages in both an economical and an aesthetic regard in comparison with facing concrete technology.
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