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How to repoint a wall using lime mortars made with lime putty?
For repointing: Remove all mortar to a depth of 1 inch, ensure joints are dampened down, re-mix the mortar to ensure workability. Pack joints thoroughly, shape whilst it is in the green state. Ensure mortar dries slowly usually over 2 to 3 days. Dampen down if necessary with hot weather to prevent shrinkage.