Our house was built ~1985, and it has quite a few oddities. One of them is an irregularly shaped corner of our garage. Our garage is ~32' (9.75m) x 32' (9.75m), and a significant section (not square ~12' (3.75m) squared) in the back corner is different, uneven and bad.

Are there any rational reasons for this/reasons why it would be a bad idea to try and fix it? It looks like it has expansion joints between the squares.

Here's a shot of the weirdly shaped uneven section: Corner of garage

The other direction: Other side of the garage

A close up shot of a representative square: Example squares of concrete

Why this is such a pain in the butt: Difference in height between squares

  • looks like there was a wooden patio there ... judging from the embedded patio slabs, the concrete is probably around 2" thick ... i would just break one of the embedded slabs just to see what's underneath
    – jsotola
    Dec 31, 2017 at 23:28
  • There are several possible causes one being it was a DIY poured by hand in small batches , possible repair work where the slab was cut and a really crappy replacement since the main slab looks good. I would remove the bad pour and replace for best results since the existing work is questionable.
    – Ed Beal
    Jan 1, 2018 at 13:10


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