There are two holes occured on 1st floor slab which are irregular in shape and able to see the ground floor which are having beams between it. How to fill those holes without disturbing the slab??? enter image description here

  • 3
    Are you sure those aren't deliberate, perhaps for drainage or resulting from a past repair of some sort? The area around them looks different from the rest of the floor, which could be erosion, deposition, or results of someone having deliberately modified this space.
    – keshlam
    Feb 4, 2023 at 3:11
  • Can you reach it in any way from the floor below? Feb 4, 2023 at 5:14
  • It looks like it's damp....or was damp. Maybe water was collecting there so someone added a few drain holes. Feb 4, 2023 at 5:37
  • If that was intentional, it was halfassed.
    – Huesmann
    Feb 6, 2023 at 15:40


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