Hi @MitchellMc , That is interesting. Given I have the standard timber cutting blade, I’ll give it a go. Thanks, Chris.

To wrap up this question, I removed the old and added new synthetic reinforcing tape, and sealed it with the rapid set mortar. That did the job nicely ...

Thanks @MitchellMc The image is a horizontal join on a vertical wall and exposed to the weather. Rain is seeping through and over time the internal fr ...

@Jewelleryrescue Thanks for the guide and the recommendation.

Thanks Mitchell the impact driver it is then.