Full chimney repointing
The whole chimney is repointed when wear is widespread so the mortar is uniform from top to bottom.
Worn, sandy or missing mortar on a Northbrook chimney can be repaired by tuckpointing, long before the brick itself starts to fail, before loose mortar turns into loose brick. Dial (224) 458-2675 to talk with a local chimney sweep about the mortar.
On a sound chimney, the mortar is supposed to wear before the brick does. Wind-driven rain and freeze-thaw cycles break mortar down a little every season until the joints are hollow. Open joints let water into the heart of the chimney, where it freezes and pushes bricks out of place.
Tuckpointing replaces the worn mortar without disturbing the brick. The old mortar is cut out to a sound depth, typically about two to two and a half times the width of the joint, and fresh mortar is packed in and tooled. In the trade, true tuckpointing means filling joints with a brick-colored mortar and then adding a fine ribbon of contrasting mortar, though today the term usually just means repointing.
The single biggest mistake in repointing is using mortar that is too hard. The mix has to be weaker than the brick so stress goes into the joint, which means Type N or Type S for most chimneys and lime mortar for historic brick. When the joint is harder than the brick, the brick takes the damage.
Depending on what the sweep finds, chimney tuckpointing in Northbrook, IL can go hand in hand with chimney masonry repair and chimney waterproofing.
Need chimney tuckpointing in Northbrook? Call (224) 458-2675 to reach a nearby chimney sweep.
Call nowGood tuckpointing is slow, careful work, and most of the quality is in the prep.
The joints are probed to find where mortar is sound and where it has failed. The crown, cap and flashing are checked as well, since they often let in the water that wore out the joints.
The mix is matched to the brick, usually Type N or Type S, or a lime mortar for older brick. A small test patch helps confirm the color once it dries.
The old mortar is cut back evenly, taking care not to chip the brick edges. Hand tools are often used near soft or older brick to avoid damage.
Joints are cleaned and dampened before any mortar goes in. Dry, dusty joints lead to weak mortar that pulls away.
New mortar is pressed into the joints in thin layers, letting each firm up before the next. 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.
The whole chimney is repointed when wear is widespread so the mortar is uniform from top to bottom.
Loose or spalled bricks found during tuckpointing are reset or replaced before the joints are finished.
The mix and sand are chosen to blend with the existing joints while staying softer than the brick.
Historic masonry gets a softer, compatible mortar so the brick is not damaged by hard mortar.
The worst sections are tuckpointed with mortar matched to the surrounding joints.
Repointing replaces the worn mortar between chimney bricks with fresh mortar, restoring the joints. Most homeowners and contractors use repointing and tuckpointing to mean the same thing. It protects the brick by making the joints the part that wears.
If you are planning repointing on a Northbrook chimney, a few details make the biggest difference. Make sure the mortar is matched to the brick, the joints are cut to proper depth and the work is protected while it cures. Mortar needs mild weather to cure, so repointing is usually done from spring through fall.
Around Northbrook, tuckpointing calls often follow a winter that left joints crumbling near the top of the chimney. Across Northbrook and nearby places including Deerfield, Glenview, Northfield and Glencoe, seasonal rain and freeze-thaw slowly wash out mortar joints on chimneys of every age, and the right mortar choice makes the repair last.
For chimney tuckpointing in Northbrook, IL or nearby towns like Deerfield, Glenview, Northfield and Glencoe, call (224) 458-2675 to reach a chimney sweep who covers your street.
Winters here are cold and long, with lake effect snow in many towns and deep cold snaps that can last for days. Furnaces, wood stoves and fireplaces run hard from fall to spring, which means fast creosote buildup and a lot of stress on liners, crowns and flashing. Snow that piles up behind a chimney and melts slowly is a common source of leaks at the flashing. Most chimney cleaning in Northbrook, IL happens right before the first snow.
A chimney problem fixed early rarely spreads to the masonry, the liner or the house.
Chimney sweeps in Northbrook know the chimneys and fireplaces common in local homes.
Ask your questions before you agree to anything.
More questions? Call (224) 458-2675
Brick and mortar repair for weathered or damaged chimneys, so the chimney stays solid and dry.
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Learn moreStopping chimney leaks at the source, whether the drip shows up in the attic, the ceiling or the firebox.
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See all chimney servicesCall now for Northbrook chimney tuckpointing and help in the towns around it.
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