Rained Out: How to Place Concrete Exposed to Rain

Knight's mixer truck receives load from a batch plant on a stormy day

When the clouds come rolling in, it’s never a good day for a ready-mix concrete supplier or construction crew. Inclement weather often results in changes to the dispatch schedule or outright cancelled orders, and sometimes just the threat of rain can postpone projects for weeks. “The contractor is responsible for looking at what the potential…

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Burning Up: How to Handle Placing Concrete in Hot Weather

Large slab pour at Palmetto Christian Academy

As summer begins, daily temperatures are on the rise, which can cause difficulties when placing and finishing concrete at job sites. Temperatures above 80 degrees mean a faster setting time, the potential for more crazing and plastic shrinkage cracking, slump loss, increased water demand and strength loss for the final product. However, there are simple…

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