Evven the most beautiful brickwork is just so much rubble without a bed of mortar to seal and hold it together. So when mortar starts cracking, receding, and falling out of the joints, it’s time to chisel out the old stuff and trowel in the new, a process called repointing. This is a simple job, but it has to be done with care, using the right tools and the right materials to avoid damaging the brick and permanently compromising the integrity and appearance of the wall. [Read this article]
Source: www.thisoldhouse.com

