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Just threw out $80 worth of that 'fast set' patch mix from the hardware store
Tried to use it on a small sidewalk repair in Phoenix last week. The stuff set up way too fast, like under 5 minutes, and I couldn't get a decent finish on it. Ended up having to chip it all out and start over with my usual bag mix. Anyone have a go-to patch product that actually gives you some working time?
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patriciah996mo ago
Actually, ice water can make some mixes set faster, which is the opposite of what you want.
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holly_garcia6mo ago
Wait, so my plan to use ice water is actually a terrible idea? That explains the concrete frisbee I made last week... it set up so fast I couldn't even smooth it out.
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reese_fisher6mo ago
Yeah, Phoenix heat will absolutely murder any mix that isn't made for it. Those quick-set bags are a total gamble in the summer. I've had way better luck just keeping a bag of standard concrete mix on hand and using cold water, I mean really cold, almost ice water, to slow things down. It buys you those extra few minutes to get the finish right. The pre-mixed stuff just can't handle the extreme dry heat we get here.
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