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Old 09-06-2008, 09:44 PM   #1
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Hairline Crack in Poured Foundation Wall


What's the best way to repair a hairline crack?

Drylock, chisel and hydraulic cement, or use an epoxy injection technique that I've seen before called "Structobond." The latter requires the drilling of holes along the crack, an injection of epoxy, and then a final caulking of the crack itself.
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Old 09-07-2008, 06:25 AM   #2
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Hairline Crack in Poured Foundation Wall


1st, what's the problem w/the hairline crack ??? if its a static crk, i'd leave it alone,,, if its moving or leaking water, different story,,, w/o inspection or more inf, have no idea if hydraulic's the answer, either.

'drylock' isn't if there's water intrusion so that's out ALTHO, if dry, it might be suitable,,, you need to determine if hydrophyllic OR hydrophobic mtl should be installed - epoxy is generally for either conc crk welding, bonding, or coating.
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Old 09-07-2008, 07:06 PM   #3
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Hairline Crack in Poured Foundation Wall


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Originally Posted by yes.itsconcrete View Post
1st, what's the problem w/the hairline crack ??? if its a static crk, i'd leave it alone,,, if its moving or leaking water, different story,,, w/o inspection or more inf, have no idea if hydraulic's the answer, either.

'drylock' isn't if there's water intrusion so that's out ALTHO, if dry, it might be suitable,,, you need to determine if hydrophyllic OR hydrophobic mtl should be installed - epoxy is generally for either conc crk welding, bonding, or coating.
The crack isn't moving. Heavy rain causes a little dripping through the crack, but that could possibly be fixed by getting the grading improved outside the house.
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Old 09-08-2008, 07:52 AM   #4
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Hairline Crack in Poured Foundation Wall


Epoxy Injection.
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