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Waterproofing Service

Our waterproofing materials are a preventive measure that addresses two common issues with water and brick chimneys. First, water vapors collect in the chimney during fires, and second, common brick is like a sponge, absorbing water and drawing it to the interior of the chimney.

Our materials are 100% vapor permeable, meaning it allows the chimney to breathe and the vapors to escape. And they prevent water from entering your chimney from outside. If damage or deterioration already exists in a masonry structure, the chimney should be repaired before the waterproofing agent is applied. Additionally, the chimney exterior may need to be cleaned before the waterproofing material is applied.

Water rolling off a surface

Fireplace Parging Service

Chimney being tested with smoke after cleaning

The smoke chamber is crucial to the proper performance and safe burning of a fireplace. It is the portion of the fireplace located above the firebox and at the base of the chimney flue where smoke gathers (to create the draft) before it is exhausted up and out of the chimney. Often masons would leave this area corbeled and rough which would cause turbulent drafting. Combustible building materials are often too close and are at risk overheating. Parging can correct poor drafting and prevent dangerous gases and sparks from exiting through missing mortar joints in the smoke chamber.

Firebox Repair

Your firebox is a critical component of your fireplace chimney, as it is the part of the chimney that holds and burns the wood and is exposed to the hottest temperatures. It contains the direct heat of the fire and guides the products of combustion towards the smoke chamber and the flue.

Many components can contribute to the failure of your firebox. Age, usage and moisture are the key contributors. It is important to have repairs completed by a competent, licensed professional who will get the job done right. Chim Chimney has master masons who can inspect your firebox and make any necessary repairs.

Old red brick fireplace mantel


Snow on a house roof with damaged brick chimney

Deteriorated mortar joints on the chimney’s exterior are entry spots for water and will cause premature failure of your fireplace. Proper mortar joints have no gaps or missing mortar and are shaped in a way that directs water out of the joint. When mortar deteriorates from exposure to weather, it becomes much more absorbent, weakening the mortar that bonds the masonry units together.

Tuckpointing is a common repair for deteriorated mortar joints. It basically describes the process of removing the old crumbling mortar and replacing it with fresh mortar. Important to the appearance of your fireplace is matching the mortar color and texture as closely as possible. Chim Chimney works with dozens of mortar types and will match your existing mortar as closely as possible.

Brick Repair

Brick spalling is one of the most noticeable types of damage. This is most commonly seen when the front of the brick has either broken or fallen from the masonry. Excessive water penetration and freeze-thaw cycles can cause brick spalling. Bricks are built to withstand water by finishing them with a hard non-porous outer shell. Spalled bricks break this shell and expose the porous interior of the brick, allowing water damage to destroy your masonry at an accelerated rate.

Brick chimney stack on modern contemporary house roof top

Flue Resurfacing & Relining

Flue chimney fixed to building exterior wall stainless steel from exhaust boiler plant room

Flue Relining with a stainless steel lining system is the gold standard for flue liner repair. It is a superior product and, when installed and maintained properly, is virtually indestructible when compared to its alternative options like resurfacing. Use of a fireplace or stove with a damaged liner can allow flammable creosote to build-up between the outside of the flue lining and the inside of the chimney casing and can allow sparks to enter the combustible portions of your home, such as walls and attic spaces causing an unwanted home fire. Additionally, these damaged liners can allow carbon monoxide to enter the home. Flue liners are designed to expel these harmful gases. Annual inspection of your chimney flue can prevent these types of disasters.

Flue Resurfacing offers an alternate to the traditional stainless steel relining process. The resurfacing process is designed to correct open mortar joints between the terra cotta flue tiles lining your fireplace system. This system seals the flue throughout the entire flue area. The unique chemical and physical properties of the pure ceramic material and the method by which it is applied produce heat, acid, and water resistant surfaces that decrease dangerous heat transfer and virtually eliminate gas seepage through the flue liners.

Chimney Crown Repair

A damaged crown can allow water to penetrate the internal and external surface of a chimney. The chimney crown is the top element of a masonry chimney. It covers and seals the top of the chimney from the flue liner to the chimney edge. A chimney crown’s primary purpose is to protect the internal chimney structure and external masonry. Crowns are designed direct water away from the chimney, helping to prevent erosion and future damaged brick repairs in the chimney’s vertical surfaces.

Repairing the Crown of a Chimney


Reviews From Our Customers


One word, amazing! I have never used a company that exceeded my expectations until I used Chim Chimney. Everyone was so friendly. The technicians even took time to interact with my children. The service was excellent, but the staff made them amazing!

Beth S.

Nashville, TN

We used Chim Chimney to clean our dryer vent a couple of times each year. After using another company with less than mediocre service, it was nice to find such a respectable company. The technicians are pleasant and never leave a mess. We have been using them for years and will continue to do so.

Danny P.

Franklin, TN

Very thorough. They left no stones unturned. Job was delivered as promised. And better than I anticipated. We are more than pleased with the work they performed.

John J.

Franklin, TN

We were overly pleased with the work that your company provided! The staff was very professional, friendly and knowledgeable. It was a pleasant experiences from the scheduling , all the way to the repairs on our chimney were complete. We are enjoying our fireplace for the first time in 11 years! Thank you for incredible service!

Melinda V.

Old Hickory, TN

I have been using Chim Chimney for years. I call on them every year to clean and inspect my chimney. I have yet to have a bad experience. They are very personable and always on time. Definitely a pleasure!

Amanda B.

Mt. Juliet, TN

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