A flush joint is mortar finished level with the face of the brick. Tuck pointing, in the narrow trade meaning, is a decorative raised line of mortar laid over a flush joint. In everyday Chicago use, "tuckpointing" just means repointing: grinding out failing mortar and packing in new. So the two are not rivals. One is a joint finish, the other is usually the name of the whole repair.
If you are comparing tuck pointing vs flush pointing, you have probably seen both words on a quote or a website and wondered if you are choosing between two methods. Usually you are not. Here is what each word means and what to ask your contractor.
What is a flush joint?
A flush joint is the finish. The mortar sits level with the face of the brick, not pushed back into the wall and not standing proud of it. It is one of several ways a crew can tool a joint once the new mortar is in.
Joint finish is a design and matching decision. The National Park Service says the look of a repointed wall depends mostly on the sand in the mortar, plus the tooling and joint profile, and that a test panel of about 3 feet by 3 feet should set the standard before the crew starts the wall (NPS Preservation Brief 2). The right finish for your building is the one that matches what is already there.
What is tuck pointing, strictly speaking?
In the narrow trade sense, tuck pointing is a decorative technique. The joint is first filled flush with mortar that matches the brick. Then a thin raised line of a different color is laid on top to make the joints look crisp and uniform. It is about appearance.
Almost nobody in Chicago means that when they say the word. Owners, inspectors and the City use "tuckpointing" for the plain repair. The City's Express Permit page lists "routine maintenance and repair for masonry walls, such as tuckpointing" as eligible work (City of Chicago). The Brick Industry Association says pointing, repointing and tuckpointing are used interchangeably, and that the ASTM standard E 2260 defines tuckpointing as synonymous with repointing (Brick Industry Association). For the long version of that mix up, see tuckpointing vs repointing.
Which one should you ask for?
For a normal Chicago repair, ask for repointing finished to match the existing joints. That usually means a flush or near flush look, but the real instruction is "match what is there." Then check the things that decide whether the job lasts:
- Mortar softness. New mortar should be softer and more vapor-permeable than the brick, and no harder than the original mortar (NPS Preservation Brief 2).
- A sample. Ask to see a test panel in your actual brick before the crew does the wall.
- Color match. Our short guide to matching mortar color covers what drives it.
- Decorative requests in writing. If someone proposes a raised, contrasting joint, they should say so and show you a sample first.
New to the whole subject? What tuckpointing is is the five minute version, and our Chicago tuckpointing guide covers the rest. When you want a mason to look at your building, see our tuckpointing service.
Common questions
Not strictly. A flush joint is a finish where the mortar is level with the brick. Tuckpointing, in everyday Chicago use, means the whole repair of grinding out old mortar and replacing it. A contractor can do that repair and finish the joints flush.
In the narrow trade sense, yes: a raised line of contrasting mortar over a flush joint. In normal Chicago use the word means repointing, which is a structural and weatherproofing repair, not a cosmetic one. If your quote says tuckpointing, ask the crew to explain which they mean.
The one that matches your existing joints, set in mortar softer than the brick. The National Park Service ties the look of a repointed wall to the sand, the tooling and the joint profile, and recommends a test panel. Ask to see one.
Sources
- Brick Industry Association: Repointing Brick Masonry (PDF)
- National Park Service: Preservation Brief 2: Repointing Mortar Joints in Historic Masonry Buildings (PDF)
- City of Chicago: Express Permit Program: Masonry Work
Facts last checked: October 7, 2026.
This article explains general rules and common situations in Chicago. It is not legal advice, and City rules change. For a specific property, check with the Chicago Department of Buildings or a licensed professional.