Is the damp patch really coming from the chimney?

Often, yes, especially when it sits next to the chimney. The technician traces the entry point rather than guessing, and the cause could be the flashing, crown, cap or the brick itself.

Will I need a permit in Evanston?

In Illinois, permits are issued locally. A permit is commonly required for relining a chimney or rebuilding it above the roofline, while routine inspection generally is not permitted work. Confirm with the local building department before work begins.

Can the repair wait for warmer weather?

Masonry work like tuckpointing and crown repair is easier when mortar can cure without freezing, so some of it is better done in the warmer months. Water keeps getting in meanwhile, so ask the technician what should be done first.

One Call Chimney is a referral and scheduling service. We arrange the job with an independent sweep or mason, who does the work. For local contractor requirements, check with the Illinois Department of Financial and Professional Regulation and the building department where the work will be done.

Does it matter that my house is old?

It helps to know. Many Evanston homes are a century old or more, so original mortar, brick and flashing are common. Tell the technician what you know about the chimney's history.

Chimney Leak, booked with one call, in Evanston, IL

Many Evanston homes are a century old or more, and the masonry chimneys on them have been taking weather for generations. A damp patch on the ceiling next to the chimney almost certainly means water is getting in at the flashing, the crown, the cap, or through worn brick and mortar joints. The job usually means finding where the water enters, repairing that spot, and often rebuilding or sealing the parts around it. Plan around the roof access, the weather, and the time masonry needs to dry and cure.

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It happens here because of the climate. Evanston has cold, snowy winters with repeated freeze-thaw cycles and heavy road salt use, which are hard on masonry chimneys. Water seeps into a small crack, freezes, and widens it. Illinois also gets wind-driven rain and snow off the open prairie and the Lake Michigan shoreline, and that gets in at the crown, flashing and cap where ordinary rain would run past.

While you wait — please don't

Stop using the fireplace until it is checked. A chimney that has been wet for years can become structurally unsound, and you cannot judge that from the living room.
Keep people and pets clear of the chimney base. Falling brick is a hazard at the base, both inside and outside the house.
Do not caulk or paint over the leak. Sealing over a stain hides the problem, and the water keeps finding its way in behind it.
Get outside if anyone feels unwell near a lit appliance. Headache, dizziness or nausea while a fire or heating appliance is running can be carbon monoxide, so leave the house and call 911.

What the technician does

Free estimate and inspectionThe technician looks at the chimney and the damp area before anything else. You get the price before any work starts, and you approve it first.
The entry point is tracedThe aim is to find where the water actually gets in, not to seal over the stain. Flashing, crown, cap and brick can all be the source.
Flashing is replacedWhere flashing has failed, it is replaced and counter-flashed into the mortar joint so water is shed away from the chimney.
Crown and cap are repairedA cracked crown is repaired or recast, and a cap is fitted to keep rain and snow out of the top.
Brick and mortar are restoredJoints are repointed and spalled brick is replaced. A breathable water repellent can be applied where it suits the masonry.

Why this happens in Evanston, IL

Evanston's housing stock runs from the late 1800s through the mid-1900s. It includes many brick and frame houses with masonry chimneys and fireplaces. Original brick, old mortar and aging flashing are common repair topics here. Across Illinois, older brick houses often have full-height masonry chimneys with clay tile liners. Those chimneys have had a long time to collect water damage. Evanston also has a large number of multi-unit buildings and condominiums, especially near downtown and the lakefront. If you live in a condo, check with your association before booking, since condo associations are widespread in the city.

Timing matters. Illinois has a long heating season, roughly October into April, and masonry rebuilding, tuckpointing and crown repairs are concentrated in the warmer months, when mortar can cure without freezing. Evanston sees a second rush of repair work in spring after freeze-thaw damage and storms. Humid summers can also leave moisture trapped in masonry and rarely used flues. If you have a leak now, ask the technician what can be done straight away and what is better left until the weather allows. Lake Michigan brings damp, windy conditions and sharp temperature swings, so the repair should be planned with that in mind.

Questions people ask

Is the damp patch really coming from the chimney?: Often, yes, especially when it sits next to the chimney. The technician traces the entry point rather than guessing, and the cause could be the flashing, crown, cap or the brick itself.
Will I need a permit in Evanston?: In Illinois, permits are issued locally. A permit is commonly required for relining a chimney or rebuilding it above the roofline, while routine inspection generally is not permitted work. Confirm with the local building department before work begins.
Can the repair wait for warmer weather?: Masonry work like tuckpointing and crown repair is easier when mortar can cure without freezing, so some of it is better done in the warmer months. Water keeps getting in meanwhile, so ask the technician what should be done first.
Who does the work?: One Call Chimney is a referral and scheduling service. We arrange the job with an independent sweep or mason, who does the work. For local contractor requirements, check with the Illinois Department of Financial and Professional Regulation and the building department where the work will be done.
Does it matter that my house is old?: It helps to know. Many Evanston homes are a century old or more, so original mortar, brick and flashing are common. Tell the technician what you know about the chimney's history.

One call

Call (866) 576-7943 and one call sets up your Evanston chimney leak repair. The estimate is free, the technician inspects the chimney and gives you the price before any work starts, and you approve it first.

Call now · (866) 576-7943

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One Call Chimney arranges the visit; the technician does the work and gives you the price.