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Hairline Cracks in Concrete Driveway
Posted on 4/6/23 at 12:54 pm
Posted on 4/6/23 at 12:54 pm
Our concrete driveway has several long, hairline settling cracks with some dime-sized holes that are starting to wash out.
Other posts recommended Sikaflex sealant for this. I figured I'd start by sealing those holes first.
What's your process for dealing with long hairline cracks in concrete?
Some sealant company videos recommend chiseling out the hairline cracks to 1/4" width before sealing, but that seems like a lot of work and could accelerate the damage.
Other posts recommended Sikaflex sealant for this. I figured I'd start by sealing those holes first.
What's your process for dealing with long hairline cracks in concrete?
Some sealant company videos recommend chiseling out the hairline cracks to 1/4" width before sealing, but that seems like a lot of work and could accelerate the damage.
7
Posted on 4/6/23 at 1:18 pm to WB Davis
All concrete cracks. That is all.
Posted on 4/6/23 at 1:21 pm to WB Davis
Personally, I wouldn’t bother with hairline cracks. I’ve got enough shite to do around the house as it is. 
Posted on 4/6/23 at 1:25 pm to WB Davis
As a professional in the industrial heavy civil area, I can tell you all concrete cracks. Also, Sikaflex will not work long term. That is a construction joint sealant. I would use bonding agent and a nonshrink grout or straight portland.
This post was edited on 4/6/23 at 1:27 pm
Posted on 4/6/23 at 1:44 pm to Marlo Stanfield
quote:
Sikaflex will not work long term.
I would use bonding agent and a nonshrink grout or straight portland.
Thanks for that.
Posted on 4/6/23 at 2:12 pm to WB Davis
Are you concerned about the structural stability or just looks?
If it’s structural, any repairs will be pretty invasive.
If it’s looks, anything you do will make it stand out and look worse.
If it’s structural, any repairs will be pretty invasive.
If it’s looks, anything you do will make it stand out and look worse.
Posted on 4/6/23 at 6:38 pm to sosaysmorvant
quote:
All concrete cracks.
There’s actually 2 types of concrete:
Concrete that’s cracked, and concrete that hasn’t cracked yet.
Posted on 4/6/23 at 10:08 pm to WB Davis
Hate to say it but it's just the start. Good on you for trying to control it. I need to replace half my driveway, I just don't want to spend the money.
Posted on 8/30/23 at 4:30 pm to WB Davis
The wife (no pics) bought me some ConSandtrate powdered concrete patch to try.
You pour the tiny granules into the crack, brush away any excess with a paint brush, then saturate with water from a hand pump sprayer to harden.
The results look way better than the liquid sealant I've tried.
I'd recommend this for areas where you want to hide the repair as much as possible.
You pour the tiny granules into the crack, brush away any excess with a paint brush, then saturate with water from a hand pump sprayer to harden.
The results look way better than the liquid sealant I've tried.
I'd recommend this for areas where you want to hide the repair as much as possible.
Posted on 8/30/23 at 5:24 pm to WB Davis
You can rub concrete without the rock in the cracks, the patch will be as noticeable as the crack was though
Posted on 9/1/23 at 12:30 pm to NPComb
Iam in same situation especially with this drought making it worse. Hate to even think about what it will cost. 0r if they can fix part only or will say they can’t tie into the good old concrete.
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