Three words get used interchangeably on quotes and they do not mean the same thing. One describes finishing joints on new work, one describes a repair, and one describes a decorative technique that almost nobody actually performs any more. Knowing which is which changes how you read a bid, because the labor involved differs enormously.
Three words for three different operations
Pointing is the finishing of mortar joints as a wall is being built, shaping and compacting the mortar while it is still workable. Repointing is a repair: raking out failed mortar from an existing wall and replacing it with new. Tuckpointing is a decorative technique in which a coloured mortar matching the brick is applied and a fine contrasting line is set into it, producing the appearance of very precise thin joints on brickwork that is not that precise. In practice, most contractors say tuckpointing when they mean repointing, and most quotes that use the word are describing a repair.
What repointing actually involves
The work is mostly removal. Deteriorated mortar is cut out to a depth of roughly two to three times the joint width, which is deep enough for the new mortar to key in and not so deep as to disturb the wall. The cavity is cleaned and dampened, then filled in layers, each compacted before the next, and the joint is finished to profile at the right moment in the set. The skilled part is the raking out: done with an aggressive angle grinder in the wrong hands, it widens joints and chips brick edges permanently, and no amount of care with the new mortar hides it.
Why the words matter on a quote
A quote for tuckpointing at a low square-foot rate is almost certainly repointing, and that is fine, but it is worth confirming what depth of raking out is included and what mortar specification will be used. A quote for genuine tuckpointing should carry a much higher rate, because it is a slow decorative process. Where the two get conflated is where disputes start: the owner expected the fine-lined finish and received a competent repair, or expected a repair and is being charged for craftsmanship the wall does not need.
The mortar specification is the whole job
Everything else is secondary to getting the mix right. Mortar is meant to be weaker than the units around it, so that movement and salts are taken up by the joint rather than the brick. On older walls built with lime mortar, replacing it with a hard cement-rich mix creates a joint stronger than the brick, which forces moisture and stress into the brick face and spalls it. That damage is permanent and it is caused by the repair. Matching the existing mortar in strength, composition, and appearance is what separates repointing that lasts from repointing that destroys a wall slowly.
The joint profile is a weather decision
How the joint is finished is not only cosmetic. A concave or weathered profile is compacted and sheds water, which is why it is standard on exposed elevations. A raked or recessed joint creates a shadow line that looks striking and holds water on the upper ledge of every course, which in a freeze-thaw climate is a durability question rather than a style question. Matching the original profile also matters visually: a repointed patch finished differently from the surrounding wall reads as a patch from across the street, however good the mortar match is.
Frequently asked questions
How long should repointing last? Decades when correctly specified and executed, often comparable to the original mortar. Repointing that fails within a few years usually failed on preparation, insufficient raking depth or dirty joints, rather than on the mortar itself.
Does the whole wall need doing at once? No. Repointing is normally done where the mortar has failed, commonly on the most weather-exposed elevations first. Doing sound joints wastes money and disturbs a wall unnecessarily.
Why does mortar type matter so much? Because old brick is soft and needs a soft lime-based mortar that can move with it. Hard modern cement mortar is stronger than the brick and drives moisture and stress into the brick face, cracking and spalling it. Interior trim follows the same logic in reverse, since timber moves and its fixing has to allow for it, which is why a custom millwork shop will not pin a panel rigidly to masonry.