Tuckpointing vs Repointing: What Is the Real Difference?

Tuckpointing vs repointing: in everyday Chicago use, they are the same job. You grind or chisel out failing mortar from between the bricks, then pack in new mortar. The Brick Industry Association says the terms pointing, repointing and tuckpointing are used interchangeably, and the ASTM standard E 2260 defines tuckpointing as synonymous with repointing (Brick Industry Association).

So if two contractors quote you, one for "tuckpointing" and one for "repointing," do not assume one is cheaper, better or different. Compare what each one will actually do.

Where the two words came from

Both words describe the same repair: removing deteriorated mortar from the joints of a masonry wall and replacing it. The National Park Service defines repointing that way in its guidance for historic masonry (NPS Preservation Brief 2).

"Tuckpointing" is the word most Chicago owners, inspectors and even the City use. The City's own Express Permit page lists "routine maintenance and repair for masonry walls, such as tuckpointing" as eligible work (City of Chicago). If you search for a contractor, "tuckpointing" is the word that will find them.

Is there any technical difference at all?

In a narrow sense, yes, and you may run into it. Some preservation sources use "repointing" for the general repair and keep "tuckpointing" for a decorative technique, a raised joint laid over flush mortar. That meaning exists in the older masonry trade. It is not what a Chicago owner means when they say their brick needs tuckpointing, and it is not what a contractor means when they put the word on a quote for a two-flat. If a contractor is proposing the decorative technique, they will tell you, and you should see a sample. For that detail, read tuck pointing vs flush pointing.

For your building, treat the two words as one repair and spend your attention on the parts that change how long it lasts.

What actually matters: the four things to ask about

Whatever the word on the quote, these decide whether the job holds up.

1. How deep the old mortar comes out. The National Park Service says remove old mortar to a depth of 2 to 2.5 times the joint width, which for most brick joints is about 1/2 to 1 inch, so the new mortar bonds and does not pop out (NPS Preservation Brief 2). A job that scratches off the surface and fills over it is the "caulk-like" kind of repair that fails early.

2. What mortar goes back in. Repointing mortar should be softer and more vapor-permeable than the brick, and no harder than the original mortar. Assuming harder is better is a common error, and mortar stronger than the brick can crack and spall the bricks themselves (NPS Preservation Brief 2). On old Chicago common brick this is the line between a repair that lasts and one that wrecks the wall. See the mortar mistake that ruins Chicago brick.

3. Color, joint profile and a test panel. The look comes mostly from the sand, plus tooling and joint profile. A test panel, about 3 feet by 3 feet for brick, sets the standard before the crew does the wall (NPS Preservation Brief 2).

4. How the mortar comes out, and the dust. Federal rules for tuckpointing grinders call for a shroud and dust collection system, plus respirators for the crew (OSHA). A crew that grinds without a vacuum is cutting corners on more than dust.

What a proper job looks like, start to finish

Whatever you call it, a sound repoint follows the same order:

1. Look at the wall first. The crew checks which joints have failed and whether the brick itself is sound. Brick that is crumbling needs a different conversation than mortar that is.
2. Remove the old mortar. Hand chisels are the traditional and least damaging method. The National Park Service says power grinders should be used only by skilled masons, and only on horizontal joints, with care (NPS Preservation Brief 2). A sloppy grinder cuts into the brick edges, and that damage does not come back.
3. Clean out the joints so the new mortar bonds to something solid.
4. Pack the new mortar in layers, matched to the brick in strength, color and joint profile.
5. Tool the joints to match the original look, and protect the finished work while it cures.

That is the whole job. The vocabulary on top of it is just vocabulary.

A quick quote checklist that ignores the vocabulary

Put these in writing, and the word on top stops mattering:

• Which walls or elevations, and how much area.
• Depth the old mortar will be removed to.
• Mortar type and why it suits your brick, plus the color and joint profile.
• Whether a test panel comes first.
• How dust is controlled.
• Who pulls the permit, and the permit number. Masonry work needs a licensed mason contractor, and a City mason license requires at least one person in the business who has passed the City's mason exam (City of Chicago).

Confirm permit requirements with the Department of Buildings, since rules and programs change. Our permit explainer breaks down who pulls what.

Words that do mean something else

"Tuckpointing" is not the same as caulking a joint, sealing the brick, or skim-coating over mortar. Those are surface treatments, not repairs. If a quote says "seal" or "caulk" instead of "grind out and repoint," ask why. The tuckpointing guide explains how to tell what a wall actually needs, and what is tuckpointing covers the basics if you are starting from zero.

When to call us

If a quote confuses you, bring it to us. Our tuckpointing crew will tell you what the wall needs in plain terms, with a written scope you can compare to anyone else's. If you only need a small patch, we will say so.

Common questions

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.