Stonework flaking after repair

Exterior stonework that's been repaired with cement is now flaking away. Does the cement need removing?

Asked by Catherine on 26th Sep 2022
Expert Trade Answers
"Cement pointing may be harder than the stone if it was done a few years ago the cement pointing will cause the softer stone to crack and allow water and frost to penetrate the surface of the stone, Might be worth looking at repointing with lime mortar."
Answered on 28th Sep 2022 - Member since May 2022 - report
"Is the stone flaking or the cement ? If its the stone then that's just a bad choice of stone, stone tends to get brittle and flake when it's irroded with weather but that takes years , or was just a bad choice of stone witch was all ready flakey before instalation if its the cement flaking then the mortar mix is to weak was put in on a cold day and hasent set properly it will need re doing hope this helps"
Answered on 5th Oct 2022 - Member since Feb 2022 - report
"Probably needs to be repointed as mix may have been too weak"
Answered on 7th Oct 2022 - Member since Dec 2021 - report
"Remove the cement and use a lithomix with colour to restore"
Answered on 8th Oct 2022 - Member since Aug 2022 - report
"It's probably that the stone has been layed wrong there is seems and Greenstone it depends which way they laid it there is actually a right and a wrong way to lay stone amateurs come to mind"
Answered on 27th Sep 2022 - Member since Jun 2022 - report
"could be a number of reasons but would cut back existing and re do repair"
Answered on 26th Sep 2022 - Member since Jan 2022 - report
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