(My issue is kind of like this question but more of a missing chunk than a thin crack.)
I have a concrete patio in the front of my house that was fixed by a previous owner after a bottom chunk broke off. Unfortunately, that repair doesn't appear to be permanent. I'd like to:
- Knock out the existing broken area with a hammer and chisel.
- Drive some Tapcons in partially, such that enough of the Tapcon (say, 1/2" to 1") is sticking out from the old slab to provide some reinforcement (but will be covered completely by the new patch).
- Clean the area with a pressure washer (and let dry).
- Maybe wrap some metal wire between the Tapcons for extra reinforcement.
- Build the area up using some vinyl concrete patcher (based on this guide).
- Patch all the smaller chips elsewhere on the patio, and cover the whole thing in a nice, thick layer of Concrete Restore.
- Is this Tapcon reinforcement idea a good one? Is it even necessary with a vinyl concrete patcher compound?
- Would Bondo be a better in this case than vinyl concrete patcher (keep in mind: it's all going to be painted over with Concrete Restore anyway)?