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ACinSC 
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2935
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 Topic: Concrete crack filler
Posted: 06 Apr 2024 at 7:09am |
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Five year old apron in front of my little shop has some small cracks in it. Any recommendations on some kind of filler? Thanks
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Lars(wi)
Orange Level Access
Joined: 14 Sep 2009
Location: Permian Basin
Points: 7971
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Posted: 06 Apr 2024 at 7:17am |
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Hydraulic Cement?
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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ACinSC
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2935
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Posted: 06 Apr 2024 at 8:03am |
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Thanks Lars, I see that can bought to fit in my caulk gun.
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 33669
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Posted: 06 Apr 2024 at 12:05pm |
Are several Caulk type remediation products, just need to get some sort of filler INSIDE the crack anything of semi solid substance if any width to it. If hairline apply some of these caulk product lightly and allow to set even still showing crack, repeat process until fills and stays to surface.
I have used Concrete Crack Fill in a squeeze bottle with good luck, DAP has a similar product and the local concrete company I use utilizes DAP Concrete filler in a caulking tube.
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ACinSC
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Joined: 16 Dec 2015
Location: South Carolina
Points: 2935
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Posted: 06 Apr 2024 at 1:07pm |
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Thanks Dave!
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 33669
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Posted: 06 Apr 2024 at 2:32pm |
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Kiniavelly
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Joined: 09 Sep 2024
Location: US, Orlando
Points: 10
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Posted: Yesterday at 9:08am |
I patched a few barn floor cracks last fall and before pouring new concrete in spots, I made sure to buy concrete release agent so the forms wouldn’t stick—it helped a lot during cleanup. For the cracks, I used a flexible filler since the slab still shifts a bit. Just be sure the cracks are clean and dry or the filler won’t hold.
Edited by Kiniavelly - 6 hours 35 minutes ago at 5:56am
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HudCo
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Joined: 29 Jan 2013
Location: Plymouth Utah
Points: 3864
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Posted: 20 hours 44 minutes ago at 3:47pm |
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the key thing is cleaning the crack , and may be etch it with muratic acid then apply any filler with the crack or area damp
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DougG
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Joined: 20 Sep 2009
Location: Mo
Points: 8308
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Posted: 19 hours 16 minutes ago at 5:15pm |
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Just my opinion, and in the masonry business, you may take a 4 inch grinder with a diamond blade and - V - the cracks, then get a good amount of filler in there
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