Forum Title: Patching a Hole in concrete basement floor
I'm having some difficult getting a reliable patch in a hole in my basement concrete floor. There were two large holes - one I seemed to be able to fill well using a combination of a base of quickrete fast setting cement topped off using hydraulic cement. The other one isn't working as well. I tried chiseling out any loose concrete - when done the area needing to be patched was probably close to a foot across at it's widest and at it's deepest went down about 4. Shallow at the edges - most of it not being anywhere near that deep. What seems to be repeatedly happening is at the patch hardens I seem to get areas that sound hollowed out when I tap them. If i tap these areas hard enough they crack. I've tried both hydraulic cement and a fast setting repair mortar and it's happened both times. The good news is through my repeated efforts most of the hole is filled and reasonably solid. What remains is a relatively shallow (probably less then 1/2 deep irregular area much smaller then the original hole) Is there a way to finish off the surface of this hole so when the patch hardens it is stronger, less hollow and brittle? Thanks
Category: fencing Post By: JESSE ROSS (Green Bay, WI), 01/19/2019

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