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Laker1234 01-10-2012 7:49 AM

Cracks in Concrete
 
My 10-year-old driveway is cracking. Any suggestions on what I can use to fill in the cracks--about 3/8 inches wide. Also, do I need to put some kind of sealant on the concrete?

buffalow 01-10-2012 7:55 AM

I actually am doing mine in the spring. I think you need to clean it real good, let it dry and than either use the flexible concrete "caulk" or mix up the concrete patch repair.

01-10-2012 8:15 AM

Quote:

Originally Posted by Laker1234 (Post 1725006)
My 10-year-old driveway is cracking. Any suggestions on what I can use to fill in the cracks--about 3/8 inches wide. Also, do I need to put some kind of sealant on the concrete?

It depends... why is it cracking? Do you have expansive soils, put to much weight on the drive-way, have no relief cuts, live in an area where it freezes and have water pooling under the drive-way, acidic soils that are destroying the concrete, or just have a crappy install or design?

Michael 01-10-2012 9:47 AM

Sam if it was bad install he would have known a lot sooner than 10 years. How bad are the cracks? hairline or large raised cracks?

Another dumb question.... Do you have a large tree near the driveway?

Laker1234 01-11-2012 9:50 AM

No, water doesn't pool or freeze under the concrete and the cracks aren't raised or too large. I do have relef cuts and no large tree nearby. My best guess would be expansive soil. When the draught hit last year, in combination with a contrast of record rains in the las few months, I have noticed the cracks getting larger. I was hoping I could fill them in now to keep further water and freezing damage this winter. The last filler I put in just washed out.


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