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Q: A corner of our concrete porch has chipped off. Is there any way to repair this without replacing our entire porch? McLean, Va. A: It’s definitely possible to patch chipped concrete, even in a ...

Q: The corner of one of the concrete steps leading to the front entrance of my building has broken off. It’s the top step of four. Is it possible to repair it without replacing the whole staircase? A: ...

Formwork, the temporary or permanent molds used to hold wet concrete until it sets, is a crucial element in concrete construction. Just as important is selection of the right formwork, as it greatly ...