Oakland & Macomb Counties
Tuckpointing and mortar joint repair
Mortar wears out long before brick does. We cut out the failed joints, repack them with mortar selected for your masonry, and tool the profile to match the rest of the wall.
What it does
Repointing restores the wall's weather barrier.
Mortar joints are the sacrificial part of a masonry wall. They are meant to wear before the brick does, which is why they need attention every few decades.
Tuckpointing removes deteriorated mortar to a consistent depth, usually about two and a half times the width of the joint, then packs fresh mortar in layers so it bonds to clean masonry on all sides. The joint is tooled to match the profile of the original work, whether that is concave, weathered, raked or flush. Done properly, the repair sheds water again and takes the pressure off the brick face.
Skipping the cut-out step and smearing mortar over the surface, sometimes called buttering or skim pointing, does not bond and falls off within a season or two. If the joints on your home look like they were patched over the top, expect to redo that work before a lasting repair can be made.
Warning signs
When mortar is telling you it is done.
Cracked or crumbling joints
Hairline cracks turn into open gaps once water freezes inside them. Crumbling mortar that gives way under a key is past its service life.
Recessed joints
When the mortar sits well behind the face of the brick, the wall has lost its weather barrier and the brick edges start taking the abuse.
Missing mortar
Open holes let water straight into the wall cavity. This is common on chimneys above the roofline and on south and west elevations.
Sand at the base of the wall
Loose sand on the porch or lawn under a wall means the binder in the mortar has washed out.
White staining or damp interior walls
Efflorescence and damp spots inside often trace back to water entering through failed joints.
Loose or shifting brick
Brick that moves under hand pressure means the joints are no longer holding the wall together. That work goes beyond repointing.
Michigan conditions
Freeze-thaw is what wears joints out here.
Southeast Michigan runs through dozens of freeze and thaw cycles between November and April. Water soaks into open or porous joints during a thaw, freezes overnight, expands, and opens the joint a little more each time. Add roof runoff, downspouts that discharge next to a wall, and grade that slopes toward the house, and joints on the wet side of a home can fail decades before the rest.
Chimneys take the worst of it. They are exposed on all four sides, above the roofline, with no shelter from wind-driven rain. That is why chimney joints usually need attention before the walls of the same house do.
Where we repoint
Chimneys, houses, porches and walls.
- Chimney stacks above and below the roofline, including crown and flashing areas
- House walls, gable ends and weather-exposed elevations
- Porch walls, columns, piers and knee walls
- Garden walls, retaining walls and freestanding brick
- Steps, porch bases and brick near grade where salt and splash collect
Mortar selection
Color, mix and profile all matter.
The replacement mortar has to work with the masonry it goes into, not just look close from the sidewalk.
Compatibility
Soft, older brick can be damaged by mortar that is harder than the brick. We look at the age and condition of the masonry before choosing a mix, rather than defaulting to one product on every job.
Color and texture
Sand color, cement content and tooling all change how a joint reads. We mix and test on site. Fresh mortar sits slightly brighter than weathered mortar and blends as it ages.
Joint profile
A concave joint sheds water differently than a raked or weathered joint. We tool the new work to the existing profile so the repair does not stand out and does not hold water.
We do not run laboratory mortar analysis on residential work, and we do not use historic lime mortar on every project. Matching is evaluated project by project based on what the masonry needs.
When spot repair is enough
If the brick is sound, the wall is plumb, and only some joints have worn back, localized repointing is usually the right call. Common examples are one elevation of a house, the section of chimney above the roof, or a few courses at the base of a porch. You get the weather barrier back without paying to repoint masonry that is still doing its job.
When rebuilding makes more sense
Once brick is loose, faces are spalling off, courses are out of plumb, or the joints are gone deep into the wall, repointing alone will not hold. At that point the affected section usually needs to be taken down and rebuilt. We tell you which one you are looking at during the inspection instead of repointing a wall that needs more. See brick repair and structural repair.
Inspection
What to expect from the estimate.
- 1We walk the masonry with you, check joints by hand, and look at roof runoff, grade and downspouts that may be feeding the problem.
- 2We check whether the brick itself is sound, since that decides between repointing and rebuilding.
- 3We take photos of the areas that need work, including anything visible only from a ladder.
- 4You get a written estimate that lists the areas being repointed, the approximate square footage or linear feet, and what is not included.
FAQ
Tuckpointing questions.
- What is tuckpointing?
- Tuckpointing is the repair of mortar joints. A mason grinds or chisels out the worn mortar to a consistent depth, then packs in fresh mortar and tools the joint to match the surrounding work. The brick itself stays in place.
- How do I know my mortar needs repointing?
- Look for joints that are cracked, crumbling, recessed well behind the face of the brick, or missing. If you can scrape mortar out with a screwdriver or key, or you see sand collecting at the base of the wall, the joints are due for attention.
- Can you match my existing mortar?
- We evaluate color, texture and joint profile on every project and mix to get as close as we reasonably can. Older mortar has weathered for decades, so fresh work usually reads slightly different at first and blends over time. We do not promise an invisible match.
- Can you just seal the wall instead?
- No. Sealer applied over failed joints traps moisture behind the wall and hides the problem instead of fixing it. Joints have to be cut out and repacked first. Sealing can make sense after the repair, depending on the masonry.
- Does the whole wall need repointing?
- Often not. Many homes only need work on the weather-exposed sections, the chimney above the roofline, or a few courses near grade. We price localized repair when localized repair is what the wall needs.
- When can tuckpointing be done in Michigan?
- Mortar needs above-freezing temperatures to cure properly, so most repointing happens from spring through fall. We look at overnight lows before scheduling late-season work.
Serving homeowners across Oakland and Macomb counties, including Rochester.
Free Estimate
Get a tuckpointing estimate
Tell us where the mortar is failing and we will come look at it. Free written estimate, no obligation.
Ready when you are
Repoint before water gets in.
Free written estimate on chimney, wall and porch mortar repair.