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-   -   Hairline Crack in Poured Foundation Wall (http://www.diychatroom.com/f19/hairline-crack-poured-foundation-wall-26396/)

handy man88 09-06-2008 09:44 PM

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.

yes.itsconcrete 09-07-2008 06:25 AM

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.

handy man88 09-07-2008 07:06 PM

Quote:

Originally Posted by yes.itsconcrete (Post 155817)
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.

AtlanticWBConst. 09-08-2008 07:52 AM

Epoxy Injection.


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