How to repair cracks in driveway?
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Repairing broken concrete patch on driveway
Any advice (products/process/etc) on patching/repairing this broken concrete patch on our driveway? Thank you!
What is the driveway constructed from? Concrete, asphalt?
Unfortunately products degrade with time, although that shouldn't happen after 9 years. Why do you think the pitch of the driveway has anything to do with it? Are there puddles in the middle of it? Where you live could have something to do with it, if you're in an area that gets very cold, that can cause cracking too. Water finds it's way between and under the driveway and expands, causing the cracks. The quality of the product used could be a problem. Also, have you had any heavy equipment or trucks on it? A few years ago, we had a big telephone company truck on our concrete driveway that was one and a half years old, and it cracked in several places. And a couple more showed up after the past cold winter.
If it is an asphalt driveway you can buy asphalt repair products at your local big box Menards type store. However--your driveway is already 9 years old--if you have never done anything to your driveway it has more than likely reached it's prime--especially if you live in a cold climate with intense freezing/thawing cycles. You may have to have it redone by adding another layer of asphalt over what you have. We had to do this after 10 years--and we have our driveway professionally sprayed with more sealer about every 2-3 years. Asphalt will just reach a point where you can no longer repair it and you have to have it redone. Check with a asphalt professional for recommendations.
Great answers above. Here in Colorado we have very hot weather in the summer with cool nights, then in the winter it can get to zero or below at night after a mild sunny day. Our soil has some weird component called balthrasite or something like that. It is clay that expands and contracts easily. Contractors put lines in the concrete so that it can expand, but after so many years it still cracks.
With concrete, it seems to be the "nature of the beast". Concrete has no flexibility, like asphalt so it cracks more easily. When the earth underneath the concrete expands & contracts, eventually the concrete will crack.