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Blew out a 4 inch control joint on a driveway pour Tuesday

Was running my jointing tool across a fresh slab and the edge just let go about 3 feet in. Had to stop everything, grab a trowel and patch it before it set too much. Customer was watching from the window too, made it worse. Anybody had a slab pop like that mid pour? What did you do?
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3 Comments
claire_ross61
My buddy Dave had something similar happen on a job last summer. He was running the jointer and a 2 foot chunk just popped out like a puzzle piece. He had to quickly mix up a little cold patch and trowel it in before the customer noticed.
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wadejenkins
That cold patch hack just ain't gonna hold.
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joseph_green13
joseph_green1322d agoMost Upvoted
Cold patch on fresh concrete wouldn't really bond right there.
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