Cost to Rebuild Chimney from Ground – Up Calculator

Factor	Estimated Cost Range
Chimney Height	$2,000 – $5,000+
Chimney Size and Width	$1,500 – $3,000+
Materials (Bricks, Mortar, etc.)	$800 – $2,000+
Labor Costs	$2,000 – $5,000+
Demolition and Cleanup	$500 – $1,500
Chimney Cap Installation	$200 – $500
Flue Liner Replacement	$500 – $1,500+
Flashing Repair/Replacement	$500 – $1,500+
Crown Repair/Replacement	$500 – $1,500+
Chimney Waterproofing	$300 – $800
Total Estimated Cost Range	$8,800 – $22,300+

FAQs

How much does it cost to rebuild a two-story chimney?

The cost to rebuild a two-story chimney can vary depending on factors such as the size of the chimney, the extent of the damage, and the materials used. On average, it can cost anywhere from $5,000 to $15,000 or more.

How much does it cost to extend the height of a chimney?

The cost to extend the height of a chimney can vary based on the height extension required and the materials used. On average, it can cost between $500 to $2,000 or more.

How long does it take to rebuild a chimney stack?

The time it takes to rebuild a chimney stack can vary depending on factors like the size of the chimney, the scope of the project, and weather conditions. On average, it can take a few days to a couple of weeks.

Can you rebuild an old chimney?

Yes, an old chimney can be rebuilt if it’s deteriorated or damaged. A professional chimney contractor can assess the condition and recommend the appropriate rebuilding measures.

Is it cheaper to remove a chimney stack or support it?

Removing a chimney stack can be cheaper than supporting it, as supporting might require additional structural modifications. However, the cost difference depends on the specific situation and project scope.

Does a new chimney increase home value?

A new chimney, especially if it enhances the home’s aesthetics and functionality, can add value to the property. It might be considered an attractive feature by potential buyers.

How high is a chimney for a two-story house?

The height of a chimney for a two-story house should follow local building codes and the 3-2-10 rule, which generally recommends extending at least 3 feet above the highest point where it penetrates the roof and be at least 2 feet higher than any part of the building within a horizontal distance of 10 feet.

Why is a taller chimney better?

A taller chimney can improve draft efficiency by creating more upward airflow, which helps the chimney draw smoke and combustion gases out more effectively. It can also reduce the risk of downdrafts.

Is a taller chimney better?

Yes, a taller chimney is generally better for improved draft efficiency and better performance.

How many years do chimneys last?

The lifespan of a chimney can vary depending on factors like construction materials, maintenance, and weather exposure. Well-maintained masonry chimneys can last 50 to 100 years or more.

Do roofers remove chimney stacks?

Some roofers may remove chimney stacks as part of their services, but it’s essential to hire a professional chimney contractor with experience in chimney removal.

Does the chimney stack support the roof?

In some cases, the chimney stack may provide structural support to a portion of the roof. If you plan to remove or modify the chimney stack, consult a structural engineer to assess its role in supporting the roof.

How much does it cost to rebuild a chimney top?

The cost to rebuild a chimney top can vary based on factors like the size of the chimney and the extent of the rebuild. On average, it can cost between $500 to $3,000 or more.

Should old chimneys be vented?

Unused old chimneys should be vented to prevent moisture buildup and potential issues with dampness and mold. Proper ventilation helps maintain a healthy environment within the chimney.

How do you fix a crumbling chimney?

Fixing a crumbling chimney involves repointing or rebuilding the damaged masonry joints and replacing any deteriorated bricks or stones.

What is the difference between chimney and chimney stack?

The terms “chimney” and “chimney stack” are often used interchangeably to refer to the same thing: the vertical masonry structure that provides ventilation for fireplaces or heating appliances.

Is it a big job to remove a chimney?

Removing a chimney can be a significant job that involves structural modifications to the roof and adjacent areas. It’s essential to hire experienced professionals to ensure safe and proper removal.

Do I need building regulations to remove a chimney?

Building regulations may vary depending on your location and the extent of the chimney removal. In some cases, you may need to obtain permits and follow specific guidelines for removal.

How long do chimney bricks last?

Chimney bricks can last for many years, but their lifespan depends on factors like weather exposure, maintenance, and the quality of the original construction.

How do I know if my chimney is good to use?

A chimney that is good to use should have no visible cracks, gaps, or leaning. It should have a sound masonry structure and be clear of any obstructions.

What are characteristics of a good chimney?

Characteristics of a good chimney include a sturdy and well-maintained masonry structure, proper ventilation, and effective draft efficiency.

What is the 3-2-10 chimney rule?

The 3-2-10 chimney rule refers to the recommended chimney height above the roofline: the chimney should extend at least 3 feet above the highest point where it penetrates the roof and be at least 2 feet higher than any part of the building within a horizontal distance of 10 feet.

What is the 3-2-10 rule?

As mentioned earlier, the 3-2-10 rule is the recommended chimney height above the roofline.

What is the 2 10 rule for chimneys?

The 2-10 rule for chimneys is part of the 3-2-10 rule, which states that the chimney should be at least 2 feet higher than any part of the building within a horizontal distance of 10 feet.

What is the best size for a chimney?

The size of a chimney depends on factors like the size of the heating appliance, the volume of exhaust gases, and the required draft efficiency. A professional chimney contractor can help determine the appropriate size.

Which chimney is better slant or straight?

Both slant and straight chimneys can work effectively, but the design and height should follow proper guidelines to ensure optimal draft efficiency.

What is the standard height of a chimney?

There is no single standard height for chimneys, as it depends on local building codes and regulations. However, the height should adhere to the 3-2-10 rule and local guidelines.

What happens if your chimney is not high enough?

If a chimney is not high enough, it may result in poor draft efficiency, leading to smoke and combustion gases not exiting the chimney properly. This can cause smoke to enter the living space.

What causes a chimney not to draw?

Several factors can cause a chimney not to draw properly, including insufficient chimney height, blockages, obstructions, and negative air pressure inside the house.

Does a taller chimney create more draft?

Yes, a taller chimney can create more draft, as it allows for better airflow and increases the pressure difference between the inside and outside of the chimney.

Does it cost a lot to remove a chimney?

The cost of removing a chimney can vary depending on factors like the size of the chimney, the complexity of the removal, and structural modifications required. On average, it can cost between $2,000 to $5,000 or more.

What is the cost of removing a chimney stack?

The cost of removing a chimney stack can vary depending on factors like the size of the chimney and the complexity of the removal. On average, it can cost between $2,000 to $5,000 or more.

Do I need a structural engineer to remove a chimney stack?

If a chimney stack provides structural support to any part of the house, you may need a structural engineer’s assessment before removing it to ensure the house’s stability.

Who is responsible for chimney stack?

The responsibility for a chimney stack typically falls on the homeowner or property owner. Regular inspections and maintenance are crucial to identify any issues promptly.

What is the top of a chimney stack called?

The top of a chimney stack is typically called the “chimney cap” or “chimney crown.”

How do you reinforce a chimney stack?

Reinforcing a chimney stack may involve adding support braces or ties to improve its structural stability. This task should be done by experienced professionals.

Is it better to repoint or rebuild a chimney?

The decision to repoint or rebuild a chimney depends on the extent of the damage. In some cases, repointing might be sufficient, while severe deterioration may require a complete rebuild.

Can you rebuild part of a chimney?

Yes, you can rebuild part of a chimney if only certain sections are damaged. Professional chimney contractors can perform partial rebuilds to address specific issues.

Can you rebuild a chimney stack?

Yes, you can rebuild a chimney stack if it’s damaged or deteriorated. A professional chimney contractor can assess the condition and recommend the appropriate rebuilding measures.

How often should a chimney flue be replaced?

The frequency of chimney flue replacement depends on factors like the type of flue liner and its condition. Stainless steel flue liners, for example, can last up to 20-30 years or more with proper care.

Can I seal an unused chimney?

Yes, you can seal an unused chimney to prevent drafts and water infiltration. Proper sealing helps improve energy efficiency and protects against moisture damage.

Why are chimneys in old houses crooked?

Chimneys in old houses may appear crooked due to settling of the building over time. Settlement can cause slight misalignments, but it doesn’t necessarily affect the chimney’s functionality.

What causes most chimney deterioration?

Most chimney deterioration is caused by exposure to weather elements, freeze-thaw cycles, and lack of regular maintenance. Water penetration and acidic condensation can also contribute to deterioration.

Why is my chimney in my attic crumbling?

A chimney in the attic may be crumbling due to water leaks or moisture problems. It’s essential to address these issues promptly to prevent further damage.

Why do falling chimneys often break apart?

Falling chimneys often break apart due to the impact with the ground or other structures. The force of the fall can cause the masonry to disintegrate.

What is a dummy chimney?

A dummy chimney is a non-functional chimney that is purely for decorative purposes. It may have been added to the architecture for aesthetic reasons rather than providing ventilation.

Which chimneys are better?

Both masonry chimneys and metal chimneys have their advantages and disadvantages. Masonry chimneys are more traditional and durable, while metal chimneys are lighter and easier to install.

How long does it take to remove a chimney?

The time it takes to remove a chimney can vary based on factors like the size of the chimney and the complexity of the removal. It can take a few days to a week or more to complete the process.

Can both neighbors remove chimney breast?

The ability to remove a chimney breast may depend on local regulations, property boundaries, and any shared structures between the neighbors. It’s essential to consult with a legal professional or local authorities.

Is a higher chimney better?

In general, a higher chimney can be better for improved draft efficiency and performance, especially in areas with frequent downdrafts or adverse weather conditions.

How do you permanently close a chimney?

Permanently closing a chimney involves sealing the flue, installing a cap or damper, and sealing off the chimney opening. It’s essential to use appropriate materials and methods for a secure closure.

Are chimneys a structural part of a house?

Chimneys can be structural components in some houses, providing support for portions of the roof or floors. However, not all chimneys have a structural function.

What is needed when removing a chimney?

When removing a chimney, several things are required, including proper tools, safety equipment, support structures for the roof if the chimney is load-bearing, and compliance with local building codes.

What time of year is best for chimney repair?

Chimney repairs can be done year-round, but it’s often best to schedule them during dry and mild weather conditions, such as spring or fall.

Should old chimneys be vented?

Unused old chimneys should be vented to prevent moisture buildup and potential issues with dampness and mold. Proper ventilation helps maintain a healthy environment within the chimney.

Can a chimney leak through brick?

Yes, a chimney can leak through the brickwork if the masonry is damaged or not properly sealed. Regular maintenance and repairs can help prevent water leaks.

Does a new chimney increase home value?

A new chimney, especially if it enhances the home’s aesthetics and functionality, can add value to the property. It might be considered an attractive feature by potential buyers.

What is the average life of a chimney?

The average life of a well-maintained masonry chimney can be 50 to 100 years or more.

What do we need to check before buying a chimney?

Before buying a chimney, you should check its condition, age, functionality, and compliance with building codes. It’s also essential to inspect for any structural issues or necessary repairs.

What wood is best for a chimney?

Hardwoods like oak, maple, and hickory are generally best for chimneys, as they burn longer and produce less creosote compared to softwoods.

What is the 7 times rule for chimneys?

I’m not familiar with a specific “7 times rule” for chimneys. It might be a term or guideline used in a specific context that I don’t have information on.

How far can a chimney pipe run horizontally?

The distance a chimney pipe can run horizontally depends on local building codes and the type of chimney system. In some cases, it may be limited to a few feet, while others can extend up to several feet horizontally.

Does cold air come down the chimney?

Yes, if a chimney is not properly sealed or capped, cold air can come down the chimney and cause drafts in the house.

How high should a chimney be above the ridge?

The height of a chimney above the ridge depends on local building codes and regulations. It should adhere to the 3-2-10 rule and be at least 3 feet above the highest point where it penetrates the roof.