raking out stonework joints with mortar rake (not a disc ....too dusty)
repointing using nhl lime mix ...
.we use a sand and possibly a colour tint to make the right mortar colour
re pointing,lime,mortar,nhl,putty,coleford,gloucester,monmouth,ross on wye,chepstow,hereford,ledbury,newent,lydney,cinderford,gloucestershire,herefordshire,monmouthshire,st astier