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My garage doors sit on the asphalt driveway when closed and I'm not sure why this is. In the photo I attached you can see the line/indentation in the asphalt where the door sits. I'm not sure if the house was built this way or a driveway job was done wrong.

I am thinking of using a diamond blade on a circular saw to cut back a few inches of asphalt and then fill the gap in with some kind of concrete. How should I tackle this?

I am aware of the drop from right to left as this area of the garage has sunk and I hope to repair it with a self-leveler in the future. Thanks!

indented driveway from garage door

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    As unusual as this is, does it cause any particular problem? – wallyk Oct 29 '20 at 16:12
  • ^ Exactly what I was going to ask. What problem are you trying to solve? – FreeMan Oct 29 '20 at 16:12
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    "Why it is" - not much of a mystery - pretty sure it's because your asphalt was paved all the way under the garage door, given that it plainly extends beyond the inside of the doorframe. Might have been as a way to compensate for the door not closing on the cracked and subsided slab floor, at a guess. – Ecnerwal Oct 29 '20 at 16:17
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    Looks like a lot of work to fix a non-problem. – Mattman944 Oct 29 '20 at 16:18
  • The issue is that the door doesn't sit level and the corner is open so mice can get in. This is only so correctable with a thicker seal which is already on the door. I'm also planning to get new garage doors next Spring and would like them to properly sit level. – Vincent Oct 29 '20 at 16:25
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You can cut it back and pour concrete.

A bag of asphalt cold patch would fix it cheaper, quicker and simpler, in keeping with the way it is presently done, by just building up the low corner.

The fact that the corner is now open implies that movement is continuing on the cracked slab from whenever the asphalt job was done this way (evidently to compensate for the cracked slab's movement up to that time.) As such, your proposed concrete repair may not last if the cracked slab is not done moving yet.

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  • Thanks, this slab has not settled much since I bought the house 6 years ago. – Vincent Oct 29 '20 at 19:03
  • Remove the asphalt to the solid element/ground below, and rebuild with concrete or masonry. The asphalt shall be kept at least 1/2" lower than the gate sill, and sloped away from the garage. But I doubt it will solve your concern - keep mice out. Get a cat for that purpose :) – r13 Mar 28 at 17:21

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