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Here is an email I recieved
"The brickwork condition with loose mortar..."
"Thanks for the photo.. I'll put it to good use"
Could possibly be caused by bad mix, Aerating additive added to lime based mortar mixes ,etc
A. Air bubbles in mortar weakening strength and durability
B. Air voids enlarge
C. Chunks of mortar errode and fall out
D. Eventually wall becomes unstable
Repointing should be carried out at C well before D
Check out Cockburn Cement @Bunnings
Always read Product Information first
Again, thanks for the photos as it will help many others with similar issues
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