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Watched a crew in Phoenix pour a slab on a 105 degree day...
I was down in Phoenix last month visiting family and stopped to watch a concrete crew working on a new strip mall. It was about 105 out and I figured they'd be wrapping up early, but they were still at it around 2 in the afternoon. What caught my eye was how they handled the finishing... they had misters set up and were spraying the slab down constantly before the trowel even hit it. The foreman told me they schedule pours based on the sun direction, not just the temp, to keep the south facing sides from cooking too fast. He said they lose about 20% of their man hours to heat breaks in the summer, but it beats having to tear out a cracked pour. I never really thought about how much the sun angle changes things on flatwork in the desert. Has anyone else tried scheduling pours around sun position like that?
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mila_jones392d ago
Does the sun angle trick work on shaded slabs too or just full sun pours?
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