
How to Fix a Cracked Fire Box
- Lay sheets of old newspaper across your hearth to minimize mess.
- Empty the fireplace of all ash, burnt wood, and other debris. Then remove the log grate and set it aside.
- Clean the inside of the firebox with damp rags, scrubbing the interior walls and flooring where the log grate normally sets.
How do you fix a broken firebox?
Some of these ways are the following: Installing a design where thin strips of firebrick are vertically placed while a thin horizontal strip is placed in between Choosing bricks that create a dramatic effective, like black brick in a geometrical design When you have to repair the firebox, you may want to consider buying a fireplace insert instead.
How do you fix a brick fireplace that is burning?
Start by scrubbing excess ash and dust from the walls of the fireplace to expose the brick. Then clear any loose mortar from the firebox floor and walls. Repair the joints using heat-resistent mortar.
What are the benefits of repairing a firebox?
A repaired firebox saves energy, reduces heating costs and maintains the value of property, particularly when it is time to sell. There are two types of prefab fireplaces: the wood-burning fireplace and the gas-burning fireplace.
Should I repair my firebox or buy a fireplace insert?
When you have to repair the firebox, you may want to consider buying a fireplace insert instead. The fireplace inserts slide right into the existing firebox opening. There is a wide variety of styles available. They will give you the opportunity of an instant makeover.
Why do chimney sweeps inspect fireplaces?
What are the benefits of a fireplace insert?
Can you use a fireplace without a sound box?
Is a fireplace insert more expensive than a fireplace?
Can you switch from tile to brick?
Can you replace a fireplace with a floor to ceiling look?
See more

Can you repair the inside of a fireplace?
Refractory caulk, also known as fireplace mortar, is suitable for minor repairs only. If your fireplace has broken or crumbling bricks, large gaps in the mortar, or missing mortar, have a professional mason or fireplace contractor inspect it.
How much does it cost to rebuild a firebox in a fireplace?
Firebox Repair Cost Fixing a firebox costs $160 to $750. A stone firebox that needs rebuilding can cost upwards of $1,500 or $2,500.
How much does a firebox cost?
A new gas, wood-burning, electric, or masonry fireplace firebox unit costs between $1,100 and $2,800, or about $1,800 on average. Professional installation and finishing adds $800 to $2,800, or about $2,100 on average, bringing your overall cost to install a fireplace at $1,900 to $5,600.
How do you repair firebox mortar?
1:021:49Repairing Fireplace Mortar - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd work that mortar into the joint there. And smooth it out. And then you can always come back withMoreAnd work that mortar into the joint there. And smooth it out. And then you can always come back with a wet rag. And kind of smooth out the edges if you need to make a nice little mortar joint.
How much does it cost to repoint a firebox?
You need a professional to conduct the repairs when damage occurs to yours. The national cost average to repair a fireplace is between $200 and $1,000. Most homeowners pay around $600 to repoint a damaged section of a brick fireplace....Fireplace Repair Cost.Cost to Fix FireplaceAverage range$200-$1,000Low-end$75High-end$7,0001 more row•Sep 13, 2021
How much does it cost to replace the inside of a fireplace?
If the firebox needs repair, it will cost between $160 to $750, depending on the severity of the damage. If it's made of stone, expect that cost to climb to $1,500 or $2,500.
What's the difference between a firebox and a fireplace?
Firebox vs Fireplace. It's often a challenge to understand there is a difference between the fire-BOX and the fire-PLACE. The firebox is the open-to-the-room, inner section of the fireplace where you light and burn fires. As the name suggests, a firebox has a standard box-like shape.
What material is a firebox made of?
Fireboxes are built from non-combustible materials, typically bricks or cement, which are designed to withstand the heat from open fires, or any wood burning, electric or gas appliance that is installed within the fireplace.
What is a firebox insert?
A fireplace insert is a sealed box that is placed (inserted) into an existing masonry fireplace. As a result, the old inefficient wood fireplace is upgraded to a new high-efficiency wood, gas, or propane fireplace that will produce more heat and use less fuel.
Can a cracked firebox be repaired?
Repairing Firebox Cracks Depending on the damage, a professional chimney repair contractor may fill in the gaps with refractory caulk to seal them. Some repairs require tuckpointing or replacing loose bricks, which technicians with the training and experience should handle to do these repairs accurately.
Do you need special mortar for fireplaces?
The mortar in most brick joints consists of sand, lime, and portland cement. But in a fireplace, that mix just crumbles away when subjected to roaring wood fires. For this application, masons rely on a refractory mortar made of magnesium silicate, which can withstand heat up to 2,000 degrees F.
What type of cement is used for fireplaces?
refractory cementQUIKRETE® Fireplace Mortar (No. 8620-21) is a silicate based refractory cement caulk for tuck-pointing damaged fireplace mortar joints and repairing cracked or chipped firebricks in fireplaces and wood-burning stoves.
How much does it cost to rebuild a fireplace?
Rebuilding or remodeling a fireplace costs $390 to $2,000. Costs are lower for smaller fireplaces or fireplaces that reuse materials (such as bricks or stones). Building a new gas, wood-burning, or stone fireplace from scratch is $1,900 to $5,600. A new electric fireplace costs anywhere from $100 to $2,200.
How much does it cost to replace wood burning fireplace?
Wood stove installation costs between $3,000 to $4,000 on average, not counting the price of the stove, and costs will vary depending on the height of the stovepipe and whether a flue can be updated or must be newly installed.
How much does it cost to Rebrick a fireplace?
Remodeling a fireplace can run between $400 and $2,000. There are several options for remodeling to meet your budget. Costs vary based on repairs, size, and materials.
How much does it cost to fix a crack in a fireplace?
Repairing brick chimneys costs $175 to $1,000 on average. More extensive damage could run upwards of $4,000 and a total chimney replacement is about $10,000....Brick Chimney Repair Cost.RepairCost to FixCracked Bricks (less than 10 bricks)$175 - $500Cracked Bricks (more than 10 bricks)$750 - $1,5002 more rows•Jan 18, 2022
Two Types of Fireboxes
There are basically two types of fireplace fireboxes. They include factory-built fireboxes and masonry fireboxes.
Factory-Built Fireboxes
As the name implies, these are built in factories and only need to be fitted or installed into a fireplace. These have their designated lifespan within which they’re expected to serve.
Masonry Fireboxes
Masonry fireboxes tend to be more durable than their factory-built counterparts. However, that isn’t a guarantee that they won’t develop issues with use. These develop a wide range of problems that require fixing.
Can I Perform Fireplace Firebox Repair and Installations Myself?
When it comes to getting things done, it’s important to consider the professional option than the seemingly easy DIY alternatives. DIY alternatives may seem easy and cost-effective, however, you could get stuck trying to have certain things done.
There Are Personal Responsibilities
Maintaining a fireplace firebox isn’t a task reserved for chimney technicians alone. You have responsibilities that must be performed. Such responsibilities include cleaning the firebox frequently and only using approved fuels.
How long does refractory caulk last?
Refractory caulk usually cures fully after exposure to fire for one hour. Home-Cost.com. Show Full Article.
How to fill gaps in caulking?
Insert the caulk into the caulking gun, and cut the tip of the caulk tube as directed by the manufacturer. Slowly force the caulk into the gaps, filling them as deeply as possible. On vertical joints, working from the bottom up can help you visually confirm the degree of joint penetration by the caulk.
Why does mortar fail?
Over time, the bricks and mortar can fail due to the expansion and contraction of the materials as they go from room temperature to roughly 700 degrees Fahrenheit and back again . Small gaps in mortar can be repaired with a special high-temperature caulk called refractory caulk.
What is the firebox in a fireplace?
While a fireplace is a source of beauty and warmth in the cold weather, the heat generated from a fire will take its toll on the fireplace over time. The fireplace interior where the fire occurs is called the firebox. It is made up of firebricks and mortar, which are designed to withstand high heat.
What is refractory caulk?
Refractory caulk, also known as fireplace mortar, is suitable for minor repairs only. If your fireplace has broken or crumbling bricks, large gaps in the mortar, or missing mortar, have a professional mason or fireplace contractor inspect it.
Can you repair a firebox with refractory caulk?
Significant damage in a firebox can be a serious fire hazard and should not be repaired with refractory caulk. Before & After: 10 Fireplace Makeovers You Need to See.
Who is Bob Formisano?
Bob Formisano is a licensed architect and builder with 30 years of experience in the industry. While a fireplace is a source of beauty and warmth in the cold weather, the heat generated from a fire will take its toll on the fireplace over time. The fireplace interior where the fire occurs is called the firebox.
Why do chimney sweeps inspect fireplaces?
A chimney sweep inspect your fireplace and chimney so that breaches in the safety of the unit are identified and repaired. That is the main purpose of the inspection. However, a professional is not always needed to know that the firebox is beyond simple repair. If you notice that the bricks in the firebox are crumbling and you see ...
What are the benefits of a fireplace insert?
Not only will you achieve a new look with the fireplace insert, but you will also gain practical benefits such as: A fireplace insert will allow the heat to stay inside your home rather than going up the chimney.
Can you use a fireplace without a sound box?
You may be informed one day that you will have to repair your firebox. A professional chimney sweep will tell you how unsafe it is to use a fireplace without a sound firebox. You will have to take immediate action. Although this might seem like bad news, it has a good side: repairing your firebox is a great opportunity to update your fireplace’s ...
Is a fireplace insert more expensive than a fireplace?
A fireplace insert is way less expensive than a fireplace repair. A fireplace insert burns more efficiently than the traditional fireplace. A fireplace insert will allow the heat to stay inside your home rather than going up the chimney. Since your fireplace will add heat, then your heating bills will be reduced.
Can you switch from tile to brick?
You can switch from tiles to bricks, or vice versa. Tiles come in many different colors and patterns, and they are easy to install. Achieving complete fireplace revitalization can be accomplished through changing the outer hearth.
Can you replace a fireplace with a floor to ceiling look?
If you think that your fireplace looks horribly outdated, don’t worry, you don’t have to be stuck with it . It is so easy to replace the entire floor to ceiling look of the fireplace. A simple change in the design can make your fireplace a centerpiece in your home. You will soon take great delight in your fireplace.
