2 Inch Gap Between Conc Slabs. How To Fill?


Old 05-28-20, 12:34 AM
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2 Inch Gap Between Conc Slabs. How To Fill?

At some point in the past (before I bought the house), one slab in my conc driveway shifted about 2 inches away from the other one.

They don't appear to be shifting any more so I think someone fixed whatever caused the shift. I'd like to fill in that gap with something -- but WHAT?

I know I'll need to eventually replace the entire driveway but I'm hoping to delay that for a while -- I'm hoping for maybe 5 years.
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Old 05-28-20, 05:53 AM
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One of the concrete pros should be along for best advice. FWIW I think you could just fill it with some concrete. Get a bag (or 2 depending on how much you need) of Sakrete/Quickrete from a box store and mix some up. Trowel it in and smooth it out. May not last, but worth a try. Fast and cheap.
Old 05-28-20, 06:14 AM
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You can use concrete mix, but you will have to excavate it so that it's as deep as the rest of the pad is. Wash and scrub the edges with a brush so they are clean and wet before you pour. And you would likely want to use an edger where it butts up to the existing so that you have a gap to put some self leveling sealant into later.
Old 05-28-20, 07:30 AM
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You could also fill up the gap with sand and fill with 1/2" urethane sealant.

Gap is pretty wide but it will work for short time!
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