My house has poured concrete walls as the foundation. The house is 11 years old as has minor cracking on the above grade portion of the walls. I would like to seal them, but would like to know what the proper caulk is for a quick job like this? I'm looking for a specific make and model please. Thank you.
What Caulk For Concrete Walls?
- Thread starter Dynasty
- Start date
logan_gibson
Well-known member
- Joined
- Oct 8, 2015
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- 65
I used the Loctite PL Brand for concrete walls/floors. Its got a bit of grit to it and works well. After painting you cant tell it is there. Its been in use for about 2 years now. I just used it on my driveway cracks as well.
It dries a more tan color than grey.
http://www.loctiteproducts.com/p/17...-PL-Concrete-Non-Sag-Polyurethane-Sealant.htm
It dries a more tan color than grey.
http://www.loctiteproducts.com/p/17...-PL-Concrete-Non-Sag-Polyurethane-Sealant.htm
Daubs
Well-known member
My brother is a school teacher, and paints houses in the summers. He swears by Vulkem.
I have used Vulkem on cracks in my poured concrete foundation walls. Works well.
I have used Vulkem on cracks in my poured concrete foundation walls. Works well.
Hilltopmasonry
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- Oct 12, 2015
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Do you have a picture of these cracks? If they are cracks where water could potential he be going through then you might want to use an epoxy injection system.
If they are minor hairline cracks that don’t go all the way through then I would probably use polyurethane sealant. Any of the brands are fine to use. Just pick the color that is close to your foundation
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If they are minor hairline cracks that don’t go all the way through then I would probably use polyurethane sealant. Any of the brands are fine to use. Just pick the color that is close to your foundation
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They are minor hairline cracks that don't go through. I will post some pictures later on.
Chilliwack Murray
Well-known member
Sorry, I know this isn't remotely helping to answer your question but the thread title reminded me of this old Saturday Night Live skit and I had to look it up:
https://www.dailymotion.com/video/x532ckc
https://www.dailymotion.com/video/x532ckc
ishiboo
Well-known member
Hahaha, I never saw that... pretty good!
ConCretin
Well-known member
Based on your description, I'm not sure I'd do anything. If you feel the cracks need to be sealed, I'd mimic some previous suggestions and go with a polyurethane sealant such as Sonneborn NP-1 or Sikaflex 1a. Limestone best matches the color of concrete.
If you want to do it right, chase the cracks with a grinder and a crack chaser disc and fill the resulting groove rather than just applying the sealant on the surface, It will look and perform better. Install a backer rod in the bottom of the groove for the best joint design.
If you want to do it right, chase the cracks with a grinder and a crack chaser disc and fill the resulting groove rather than just applying the sealant on the surface, It will look and perform better. Install a backer rod in the bottom of the groove for the best joint design.
Trey T
Well-known member
any Polyurethane caulking for flexing and minimal impact by UV
ConCretin
Well-known member
Looks like a typical shrinkage crack. Unless you are getting water through it, I'd leave it be. You'll never improve the aesthetics and it's not a structural issue.
chargermann
Active member
rlitman
Well-known member
The pictured crack is pretty thin, and chasing and filling with polyurethane caulk will look awful. If that's a poured foundation with a cast surface, I'd use my finger to press in a hydraulic cement. This can be mixed into a putty consistency, and if you're careful enough, you can just make that crack disappear. So long as the crack isn't active, it'll be fine.
If the crack is still expanding, then yeah, you'll need to chase it. But if you think it is moving, you can monitor it with something like this:
https://www.humboldtmfg.com/concrete-crack-monitor-crack-gauge.html
If the crack is still expanding, then yeah, you'll need to chase it. But if you think it is moving, you can monitor it with something like this:
https://www.humboldtmfg.com/concrete-crack-monitor-crack-gauge.html