3 Ways to Patch Holes in a Concrete Floor

Introduction: 3 Ways to Patch Holes in a Concrete Floor

About: Bought a Farm from 1958. Restoring House, Barns and the whole Property. Lots of Home Improvement, Woodworking and Tractor related Things.

Here you can see how i patched some holes in my concrete sub-floor. I attempted to use 3 methods but in the end, it were only 2.

The steps would be the same if you were about to patch some cracks.

Things you will need:

-Angle Grinder with a concrete cutting disc

-Hammer and Chisel

-Concrete/Wooden Board/Sheetmetal (depends on how you want to cover your hole)

Step 1: Enlarge the Hole or Spot You Want to Patch.

Start by marking where you want to cut and proceed to cut as deep as needed (depends on patching method).

Then remove the concrete.

Step 2: First Method

After blocking the original holes you are about to patch (with a thin piece of hardboard) pour concrete and smooth it out.

For this method your enlarged hole should be about 2 Inches or 5cm deep.

Step 3: Seconed Method

Cover your hole with a piece of sheetmetal. Someone must have cut something out of my piece...was it me? noooooo! So i made my enlarged hole deeper and used the 3rd method.

For this method, your enlarged hole needs to be as deep as your sheetmetal is thick.

Step 4: Third Method

Cover your holes with an OSB board.

Of course, your enlarged hole needs to be as deep as your OSB board is thick. In my case that has been 18mm or about 3/4 Inches.

Step 5: Have Fun With Your Now Hole-less Floor

These holes were in the sub floor of my barn and i am currently setting up my new shop there. And now i dont have to trip over that holes or drop stuff in there :)

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    4 Discussions

    0
    diacsn
    diacsn

    Reply 1 year ago

    Hi there,
    i don't think so, as it looks like these sheets need a proper underground. But i'm not entirely sure..

    0
    RobertW327
    RobertW327

    2 years ago

    You can patch a shallower hole about 20mm deep using panel patch or non shrink grout .

    0
    diacsn
    diacsn

    Reply 2 years ago

    Yeah, you re right. There are way more possibilities than only 3 :D