Loose brick resetting
Loose bricks are reset in fresh mortar before the joints are finished.
A Mifflinburg chimney mason can repoint the joints on a weathered chimney, so water stops soaking in between the bricks. Dial (570) 816-1022 to talk with a local chimney sweep about the mortar.
On a sound chimney, the mortar is supposed to wear before the brick does. Rain, frost and heat gradually wash the mortar out of the joints, leaving them sandy, recessed or open. Open joints let water into the heart of the chimney, where it freezes and pushes bricks out of place.
The fix for eroded mortar is tuckpointing, also called repointing. Damaged mortar is ground or raked out, the joints are cleaned and dampened, and new mortar is pressed in firmly and shaped. Strictly speaking, tuckpointing is an old technique that adds a thin contrasting line of mortar to make joints look crisp, but most people use the word for any repointing job.
The single biggest mistake in repointing is using mortar that is too hard. Mortar is chosen to suit the brick, often Type N or Type S, and a softer lime mortar when the brick is old and soft. Too-hard mortar forces the brick to crack instead of the joint.
Many chimney tuckpointing calls in Mifflinburg also turn up a need for chimney masonry repair or chimney waterproofing.
Need chimney tuckpointing in Mifflinburg? Call (570) 816-1022 to talk to a local chimney sweep.
Call nowGood tuckpointing is slow, careful work, and most of the quality is in the prep.
Each face of the chimney is checked to see how far the joint damage goes. The crown, cap and flashing are checked as well, since they often let in the water that wore out the joints.
The mason picks a mortar type and color that suit the existing masonry. Sand color has a big effect on the final look.
Damaged mortar is removed down to solid material so the new mortar has something to grip. Hand tools are often used near soft or older brick to avoid damage.
The cleared joints are flushed of dust and lightly wetted. Dry, dusty joints lead to weak mortar that pulls away.
Fresh mortar is pushed in firmly, layer by layer, to fill each joint completely. Thin lifts give a dense, solid joint.
When the mortar firms up, the mason tools it to the right profile and cleans the brick face. A tooled joint compresses the mortar surface so it sheds water.
Loose bricks are reset in fresh mortar before the joints are finished.
Every worn joint on the chimney is cut out and repointed for a consistent look and full protection.
Historic masonry gets a softer, compatible mortar to protect the original brick.
The worst sections are tuckpointed while sound mortar is left in place.
New mortar is matched to the old in color, texture and strength while staying softer than the brick.
Repointing replaces the worn mortar between chimney bricks with fresh mortar, restoring the joints. It is the same job most people call tuckpointing, and it is one of the most common masonry repairs on chimneys. Done well, it keeps water out and holds the bricks firmly in place for many years.
If you are planning repointing on a Mifflinburg chimney, a few details make the biggest difference. Ask what mortar type will be used, how deep the joints will be cut and how the new mortar will be finished. Since fresh mortar should not freeze, repointing is best scheduled in warmer months.
In Mifflinburg, mortar joints on older chimneys tend to give out long before the brick does. Across Mifflinburg and nearby places including Lewisburg, Winfield, Milton and Selinsgrove, seasonal rain and freeze-thaw slowly wash out mortar joints on chimneys of every age, which is why tuckpointing on schedule is easier than replacing brick later.
Need chimney tuckpointing around Mifflinburg? Call (570) 816-1022 for a Mifflinburg chimney sweep who serves the towns around it too.
Winters here are long and cold, and the heating season usually runs from October well into April. The hardest thing on brick here is not the cold itself but the constant swing above and below freezing: water soaks into brick, mortar joints and the crown on a mild day, freezes overnight and expands, which is how cracks, loose bricks and leaks start. Nor'easters drive rain sideways into flashing and mortar that looked fine in summer. Most homeowners in Mifflinburg, PA schedule a sweep in early fall, and a repair check after a hard winter.
Small chimney problems caught early usually stay small repairs.
Chimney sweeps in Mifflinburg know the chimneys and fireplaces common in local homes.
Ask the sweep about the cause, the options and the estimate before work starts.
More questions? Call (570) 816-1022
Brick and mortar repair for weathered or damaged chimneys, with materials matched to the original masonry.
Learn moreWaterproofing masonry chimneys with vapor-permeable repellents, not paint, as the last step in keeping a chimney dry.
Learn moreTaking down failing masonry and rebuilding the chimney with new brick, flue, crown and flashing, so it is solid, dry and safe to use again.
Learn moreStopping chimney leaks at the source, before the water rots framing or ruins the flue.
Learn moreLooking for something else?
See all chimney servicesCall (570) 816-1022 for a local chimney sweep in Mifflinburg and nearby towns.
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