Hot answers tagged patch
You can patch it with hydraulic cement similar to this type You need to carefully remove all loose material and clean the area. The cement is fast setting and expands slightly as it sets, making a tight seal. Only mix as much as you can use in a few minutes.
If you only have chips and small holes to fix, the floor patch and leveler will be a sufficient and cheaper. If the holes are minor ( < 1/2" deep and < 1" in diameter), skim coating the area with your thinset and then pulling the notched trowel will safely allow you to bridge with 12x12 tiles.
This part of the foundation is most likely spreading out a roof load from a sizable portion of the sunroom roof. If the soil supporting the foundation has eroded away, this will need to be rectified some time next year. For now, get a bag of ready mix mortar, the kind you just add water to, it has sand and cement already mixed in in the correct proportion. ...
Only top voted, non community-wiki answers of a minimum length are eligible