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how much does it cost to repair a chimney flue

by Elliot Kunde Published 2 years ago Updated 2 years ago
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A flue replacement costs $2,500 on average, but depending on the size or shape of your chimney, you could pay upwards of $7,000. Once you replace your flue with a metal one, however, you likely won't need to do so again as long as you own the home.Feb 18, 2021

Full Answer

What is the average cost of a chimney repair?

Repairing a chimney costs between $160 to $750, or an average of $455. A simple chimney repair can cost as low as $90 and as much as $1,800. Compare estimates from local pros for the best price on your chimney repair. Fixing your chimney crown costs $150 to $300.

How much does it cost to waterproof a chimney?

Masters Services Certified Chimney Professionals strongly recommend that every masonry chimney be waterproofed. Every chimney eventually leaks, so preventative measures are essential before water damage becomes a problem. Average cost for chimney waterproofing is $150 – $250.

How much does it cost to reline a chimney?

How much does it cost to reline a chimney? The cost for the relining of the chimney ranges from $2500 to $5000. It depends on how your chimney needs to be relined. If the professionals need to remove the original lining of your chimney, then it will cost more.

How much should replacing chimney flashing cost?

Chimney flashing repair costs $200 to $500 to fix and reseal. The average cost to replace chimney flashing is $300 to $1,500, depending on the chimney type. Chimney flashing is a sheet of metal installed around the base where the roof and chimney meet to prevent leaking.

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Can you patch a chimney flue?

0:010:59Chimney Cracked / Damaged Flue Smart Repair with Tom - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe integrity of your chimney. When you have cracked or damaged clay flue tiles. This is a greatMoreThe integrity of your chimney. When you have cracked or damaged clay flue tiles. This is a great option and method of repair.

How much does it cost to seal a chimney flue?

Sealing a chimney can cost between $20 and $60 for sealant you'll apply yourself and between $200 and $400 for a professional company to seal your chimney. Price also depends on your chimney's size, if you want it waterproofed or not, and ease of accessibility.

Can you repair a flue?

If you only have damage to the top portion of the flue you can usually fix it yourself. If you see damaged tiles further down inside the chimney you may need to contact a professional since the repair will be more involved.

How do you tell if your flue is cracked?

Most Common Signs of Chimney DamageEfflorescence. Have you ever seen an unusual white stain across the brick of a chimney? ... Cracked or Deteriorated Mortar Joints. ... Spalling Bricks. ... Cracked or Melted Crown. ... Shaling Flue Tiles. ... Deteriorated Flashing. ... Wallpaper & Paint Damage Near Your Chimney.

How do I seal my chimney flue?

1:002:38Sealing a Chimney - DIY - Air Tight removable seal - YouTubeYouTubeStart of suggested clipEnd of suggested clipBut just make sure you put a generous bead of silicon caulk all the way around the rim. And you willMoreBut just make sure you put a generous bead of silicon caulk all the way around the rim. And you will be able to get a nice bond. Between the chimney and the metal.

How much does it cost to replace flashing around chimney?

Chimney Flashing Repair Cost Chimney flashing repair costs $200 to $500 to fix and reseal. The average cost to replace chimney flashing is $300 to $1,500, depending on the chimney type. Chimney flashing is a sheet of metal installed around the base where the roof and chimney meet to prevent leaking.

How do you fix a flue damper?

How to Repair a Chimney DamperRemove Debris. Start by cleaning debris and creosote from the damper before removing it. ... Remove the Damper Plate. While looking upward from your firebox, you'll see a rod affixed to the chimney/frame by a nut. ... Clean Everything. ... Replace the Damper Plate.

How much does it cost to reline a chimney?

between $2,500 and $7,000The cost of relining a chimney varies. Typically, the cost can be anything between $2,500 and $7,000. Ultimately the cost will be determined by the type of lining you would want to have installed.

How much does it cost to repair a fireplace damper?

Fireplace Damper Cost and Installation A cast-iron damper with opening mechanism costs an average of $150 to $250, depending on the size. If you only need to replace the damper plate, these cost around $50.

How do you know if a chimney needs to be replaced?

Rusted Damper or Firebox. ... Flakes or Shards of Tile or Ceramic in the Fireplace. ... Broken or Rusting Chimney Chase Top. ... Cracked or Damaged Chimney Crown. ... Deteriorating Mortar Joints. ... Protruding, Flaking or Peeling Masonry. ... White Staining or Efflorescence on the Chimney Exterior. ... Stained Ceiling or Walls.

How long should a chimney last?

If a chimney has been correctly built and cared for, it can be expected to last for 50 to 100 years! But here's the thing, many chimneys have not been properly cared for throughout their lifetime, however. It is therefore essential to have your chimney inspected before you move into a new home and annually afterwards.

Are chimney cracks serious?

Cracks in your chimney's masonry are early signs that tell you it's time to have your chimney looked at and repaired. Ignoring these signs can lead to more extensive cracking, water damage, and a chimney that's no longer safe to use or live around.

How much does it cost to seal off a fireplace?

Getting everything done in one trip might cost anywhere between $250 and $1,350, depending on the price of the cap, as well as a number of other factors....How Much Does It Cost to Seal a Chimney and Add a Cap Yourself?MaterialCostRoof harness safety kit$120Extension ladder$100–$3504-in-1 screwdriver$156 more rows•Feb 1, 2022

How long does chimney sealant last?

about 20 yearsThe question is how long does chimney waterproofing last? Answer is, as a general statement, probably about 20 years for most people. If you have the wind blowing sand at your chimney a lot, perhaps in the desert or by the sea, the brick surface can wear away, but most people don't have that.

Should you seal your chimney?

Waterproofing your chimney is a simple and easy task that will extend the life of your chimney for years and will protect against expensive repairs. Chimney leaks are a frustrating problem for many homeowners; waterproofing your chimney is the best way to solve chimney leaking problems.

Can you seal a brick chimney?

1:232:12Waterproofing Chimneys - YouTubeYouTubeStart of suggested clipEnd of suggested clipApplication. This customer's chimney is now entirely waterproofed and weather protected from top toMoreApplication. This customer's chimney is now entirely waterproofed and weather protected from top to bottom. We are now ready to take on those nasty damaging rain and snow elements.

Will home insurance cover chimney damage?

It depends on the details of the policy. Some policies cover chimney damage when it was caused by certain perils like storms, but they do not usual...

What is the best mortar for chimney repair?

A good quality masons mortar mix is used for chimney mortar repairs. The best mixes have a Portland cement base with other key ingredients like san...

How much should chimney repair cost?

It depends on the problem and the amount of work needed to fix it. Average chimney repair costs range from $250 to $1,200, but prices can be higher...

When should I rebuild my chimney?

Chimney rebuilding is seen as a last resort and only recommended when the chimney stack, crown, or foundation has suffered serious damage.

What is the difference between repointing and tuckpointing?

Repointing is a repair process focusing on restoring the chimney stack’s mortar and brickwork. Tuckpointing focuses on the mortar and may be used p...

How long does chimney mortar last?

This depends on the mortar type used, how well it was installed, and what risks and weather conditions the chimney is exposed to. In general, morta...

How often should you have your chimney checked?

Experts recommend inspecting the chimney yearly. This can spot problems and get them fixed before they develop into serious issues.

What time of year should you have your chimney swept?

The best time to get the chimney swept is before the burning season, which is usually late fall or early winter. It can also be swept in spring or...

How much does it cost to fix a chimney?

The average chimney repair cost can range anywhere between $90 and $3,500. In the case of flue damage, cracked flues repair will cost up to $1,000, while resurfacing flue tiles may be closer to $3,500. Replacing your flue tiles all together can run upwards $10,000 depending on the surface area of your chimney.

How much does it cost to fix a crack in a flue?

Repairing significant cracks on the flue could cost $250 up to $1,000 depending on the severity.

How much does it cost to repair a chimney crown?

Repairing a chimney crown begins around $150. On average, you will spend no more than $350 on a crown repair. However, sometimes this cost can go up to $500.

How do you know if your chimney is broken?

If you have tried to use your fireplace, you most likely know your chimney is broken by now. However, you can also tell by the look of your chimney whether it requires repair.

How is the price of a chimney determined?

This price is decided by your chimney’s dimension , the season you need the labor, and how accessible your chimney is.

Why do new homes use steel flues?

Many new homes now use a steel flue instead of a brick or mortar one because metal chimneys are more durable and cost-effective.

How much does it cost to replace flashing?

A simple flashing repair only costs $20 to $120. However, in most cases, the flashing needs a full replacement when a homeowner calls for help. By then, you are looking at spending $200 to $500.

How much does it cost to fix a cracked chimney?

Repairs for a cracked chimney flue average $300 to $1,000. The cracked tiles usually need to be replaced, and damaged mortar joints also need to be patched. Fix cracked flues quickly because cracked flues allow hazardous gases to leak into the home and moisture and creosote to build up.

How much does it cost to repair a prefab chimney?

Homeowners pay between $250 and $1,200 to repair their prefab chimney. Prefabricated chimneys are made in a factory and assembled on-site at the property. They are usually sheet metal like stainless or galvanized steel 1, so the repair costs are usually the same as other metal chimneys. They suffer from the same problems as damaged flues and cracks in the smoke chamber.

How much does a chimney inspection cost?

The average cost of chimney inspections is between $300 and $600. However, homeowners can get various levels of inspections. A basic Level 1 inspection may cost less than $100, while Level 2 inspections, which are more thorough and include cleaning services, cost more. Inspect chimneys yearly to check for damages or weaknesses.

How much does it cost to repair a chimney cap?

Professional repairs for chimney caps cost between $100 and $250. The cap, or cover, sits on top of the chimney to protect it against rain, snow, and debris. It also keeps hot embers contained to prevent them from causing damage. Often, damaged caps need to be replaced, but you could patch them if the damage is superficial.

What are the parts of a chimney?

Chimneys may seem simple, but they are complex structures with multiple parts like the crown, cap, and flashing. Damage can occur to various parts of the chimney, and a range of repairs may be needed to fix each problem. The table below shows common chimney repair types and their average costs.

Do chimneys have cracks?

Many problems arise with a chimney, and some problems are more severe than others. Minor cracks in the flue do not cost much or take long to fix, but a leaning chimney stack requires more extensive repairs and costs more. The table below shows common chimney problems and the average costs to fix each.

Does a chimney come with a warranty?

Warranty. Chimney installations may come with a warranty, so it is wise to check the policy and see if it entitles coverage for damages or problems caused by improper installation.

The Chimney Flue

If you’re a bit rusty in your ability to recall the different chimney parts, this section should clear any doubts. The chimney flue is simply the lining within a masonry chimney. This is in form of a conduit made from different materials.

Chimney Flue Breakdown And The Need For Repair

A chimney flue is bound to have an issue or two during its lifespan. This is a normal situation that requires appropriate action in the form of repair or replacement. Our bias here is largely towards chimney repair.

Chimney Flue Joint Repair

As the name suggests, chimney flue joint repair largely focuses on damaged mortar joints.

Chimney Flue Resurfacing

True to its name, chimney flue resurfacing is another form of repair that aims to fix the chimney liner. To qualify for this type of repair, a chimney liner surface should be mostly sound but have minor issues across its surface area.

Cracked Chimney Flue Repair Costs

Cracked chimney flue repair isn’t as extensive as say, chimney relining or replacement. Here, a limited coverage area is fixed at a cost ranging from $80 to $120 per square foot. This type of repair seeks to fill up the joints or cracks left open by displaced mortar.

Chimney Lining Repair Costs

Chimney lining repair, also called chimney flue resurfacing costs around $2,000 to $3,500 on average.

Chimney Flue Replacement Costs

The cost for chimney flue replacement is more significant than the two discussed above.

How much does it cost to fix a leaking chimney?

Fixing a leaking chimney costs about $150 to $350. A chimney can start leaking if rainwater gets in through the small cracks, usually at the roofline. This is generally due to damaged flashing and sealers.

How much does it cost to repair a stucco chimney?

The cost to repair a stucco chimney is between $570 and $4,200 . A chimney crown repair costs $150 to $300. It’s the slab of concrete at the top of a chimney that keeps the rain from coming down the flue, into your home. Moreover, it protects the brick and mortar of your chimney while keeping the pests out.

How often should you get your chimney inspected?

The rule of thumb regarding a chimney inspection is that you should get your chimney thoroughly cleaned and checked at least once a year. Having said that, you need to be always on the lookout for any potential problems. Timely preventive measures and chimney sweeping will help you avoid costly repairs and prolong your chimney’s lifespan.

What are the factors that determine the total chimney repair cost?

Usually, the repairs that are most expensive are due to neglect, and if they would have been caught 5 years earlier, instead of spending maybe $10k-12k on repairs, the homeowner could have made a $900 repair and had no problems for maybe 10 years.”

How do I know that my chimney requires repair?

As mentioned, a yearly inspection of your chimney system can tell a lot about its condition. It’s especially critical if your home has witnessed a chimney fire, a lighting strike, or storm damage. Of course, some damage is obvious while others are not. That’s why it’s important to have your chimney inspected by a licensed chimney professional.

How much time does a chimney repair take?

Roydhouse states that “Depending on the severity of the repair being made, repair time can range anywhere from 30 minutes to 5-6 days. If you have something simple, like maybe your flashing is starting to crack or pull away, there are repair methods to actually repair that and cover it up, and that’s something that, depending on the size of the flashing and what it takes to get to the flashing, could be done on-site during the inspection visit in 30 mins to 2 hours.

What does it mean when a chimney stack is leaning?

If you have a leaning chimney stack, it indicates that there’s an issue with the chimney’s foundation. A contractor will check if the horizontal mortar joints are level or not, and carry the repair accordingly. The repair work typically costs $3,000 .

What Is The Average Cost To Repair A Chimney By Material?

Chimney repair costs are largely dependent on the type of material that your chimney is made of. The two most common chimney materials are brick and stucco.

How much does it cost to repair a leaning chimney?

Depending on the size and design of the chimney and the extent of the damage, repairs for a leaning chimney fall between $1,200 and $3,000.

What is the purpose of flashing a chimney?

The primary purpose of flashing is to act as a waterproofing sealer that prevents moisture from leaking around your chimney and roofline into your roofing, insulation, and interior.

Why is it important to keep a chimney in good repair?

A fireplace is a beautiful and cozy addition to your home, but it is important to keep your chimney in good repair and up to code in order to prevent leaks, carbon monoxide and smoke intrusion, and chimney fires. Chimney damage can be caused by a number of issues, from inclement weather and earthquakes to simple weathering over time. When it's time to complete your chimney repairs, finding the right chimney repair service at the right price may seem like a daunting task. Fortunately, if you are looking for accurate cost estimates related to chimney repair, you are in the right place!

Why is the chimney cap on the top of the chimney?

Your chimney cap is the metal cap perched at the top of the flue that prevents water leaks that can damage the interior of your chimney. Caps can become damaged due to extended exposure to moisture, high winds, hail, ice, and other inclement weather conditions.

What is the cause of most problems experienced by chimney owners?

Water leaks are the cause of most problems experienced by chimney owners. The cost of fixing a leak depends greatly on the location of the leak, the extent of the damage, and the type of material that must be repaired or replaced.

Why is my chimney flue leaking water?

Its purpose is to direct heat and fumes out of your home without causing damage to the surrounding area. Over time, your flue can be damaged by leaking water due to exterior deterioration, structural damage from an impact or earthquake, or extended exposure to high temperatures and smoke from chimney use.

How much does it cost to fix a flue?

Fixing cracked tiles in your flue costs anywhere from $65 to $100 per square foot. However, repairing a cracked flue liner is only a temporary solution. Eventually, it will need replacing. Installing a chimney flue liner costs most homeowners $2,500, but could cost as much as $7,000. Relining your flue costs between $2,500 and $5,000.

How much does it cost to fix a leaking chimney?

Fixing a leaking chimney costs $150 to $350. Water can get in through cracks and cause damage in the form of mold and wood rot. These cracks are usually at the roofline when flashing and sealers fail and allow rainwater to seep inside. Here are some ways to repair a leaking chimney:

What happens if a chimney is cracked?

A cracked chimney that’s not repaired quickly can collapse and damage part of your house or increase the chances of fire.

How much does it cost to replace a chimney crown?

Chimney Crown Replacement Cost. You’ll pay anywhere between $220 and $2,000 to replace the chimney crown. Cracks that form in the crown can be particularly costly if left unrepaired. Water can get into the cracks and cause significant damage to mortar, bricks, and even the wooden frame of your house.

How much does mortar cost?

Grout and mortar cost about $2 to $3 per square foot, plus at least $40 to $50 per hour in labor. The exact price depends on the size of your chimney. Even if the mortar of your chimney is crumbling, you might not need to buy new bricks. Re-mortaring could save you money through reusing bricks.

Can wind damage a chimney?

High winds can cause chimney damage. However, a chimney is only at risk in severe windstorms (such as a tornado) or if it’s not structurally sound. Over time, wind exposure will wear down a chimney, but regular maintenance and inspections should help it withstand the elements.

Does insurance cover chimney repairs?

Homeowner’s insurance will only cover chimney repair if it’s the result of an unexpected event. If your chimney experiences damage from a tornado, lightning strike, or other weather-related incident, insurance should cover it. With that in mind, it’s unlikely that damage from high winds will be covered. Insurance also won’t cover routine inspections or general repairs.

Types of Repairs Vs Pricing

When it comes to chimney and fireplace repairs, the most common is creosote buildup, chimney cap damage, as well as blockage of chimney airways due to debris accumulation.

Flue Repair

When a chimney flue is discovered to be having issues, repairs will cost around $200 for a single flue tile.

Crown Repair

When cracks appear on your chimney crown, they’ll need to be fixed urgently to prevent moisture or water from getting in. Depending on the degree or extent of damage and the repair supplies needed, chimney crown replacement costs may range from $220 to $2,000.

Fixing Leaks

Chimney leaks could happen unexpectedly and cause extensive damage to a chimney structure.

Leaning Chimney

Leaning chimneys are considered significant problems as they arise from structural imbalance. Such tilts may be due to issues with the foundation. The cost of repairs is quite significant at $3,000.

Chimney Cracks

With time, chimney masonry joints as well as other parts of the chimney are likely to get cracked due to stress.

Chimney Parging

Parging the smoke chamber of a chimney refers to it being coated with mortar. This serves as insulation and also seals up holes and cracks. The cost for this procedure ranges from $1,000 to $2,000.

How much does it cost to replace a chimney liner?

A stainless steel chimney liner costs $900 to $3,800 to reline, and a cast-in-place or clay flue liner costs $2,000 to $7,000 to replace. DIY chimney liner kits cost $300 to $800 for the materials without installation.

How much does it cost to insulate a steel chimney?

Adding insulation to a steel chimney liner costs $8 to $15 per linear foot. Chimney liner insulation reduces creosote buildup, cold drafts, moisture, condensation, and maintenance costs. An insulated liner also increases efficiency and prevents heat from spreading and causing a fire hazard.

Who Installs Chimney Liners?

Fireplace and chimney repair companies install flue liners. Hiring a professional is essential to ensure that the fireplace ventilates safely and passes all the building codes.

How much does a stainless steel chimney liner cost?

A stainless steel chimney liner costs $900 to $3,800 to install. Stainless steel flue liner materials cost $20 to $90 per linear foot. Steel liners are compatible with all fireplace and stove fuel types, and come in both rigid and flexible form. Steel liners last 15 to 20 years if well-maintained.

What is a chimney liner?

A chimney liner is a clay, ceramic, cement, or metal conduit installed inside a chimney to channel the gas, smoke, and combustion products outside of the home. A chimney liner also protects the masonry walls from heat and corrosion, prevents creosote buildup, and adds safety.

What is a stainless steel chimney lining?

Stainless steel chimney liners are extremely durable, easy to install, and offer superior performance for all fuel types. Old clay or ceramic liners are often upgraded to stainless steel. Clay and ceramic liners are inexpensive and work well when maintained, but can crack under extreme weather conditions.

How much does a ceramic chimney liner cost?

A ceramic chimney liner like Thermocrete costs $1,000 to $5,000 or $50 to $200 per linear foot. This ceramic-cement seals a slightly cracked liner that is structurally sound. This repair technique is only for light surface damage, not as a replacement for a chimney liner in unlined chimneys.

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