Repairing Guides

how to repair a cracked fireplace insert

by Sheridan Hane Published 2 years ago Updated 1 year ago
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Fireplace Insert Fix

  1. This Is Unsafe! Check out your fireplace. ...
  2. Tools Needed. I went with the $10 mid grade gun, since I had never used one before. ...
  3. Cleaning. Clean the inside of the walls with soap and water and a big sponge. ...
  4. Add Caulk. Slightly dampen the crack you need to fill, one at a time. ...
  5. Smooth Caulk. ...
  6. Repeat. ...
  7. Dry Time. ...
  8. Curing. ...

Full Answer

How do you replace a fireplace insert?

Some of these ways are the following:

  • Using a modern style of brick
  • Installing the bricks in a herringbone pattern
  • 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

How to clean an electric fireplace insert?

  • Turn off the unit.
  • Remove or open glass doors.
  • Dust your logs, stones, andirons or hearth with a clean cloth. ...
  • Vacuum vents with a hand vacuum or hose attachment.
  • Use a duster or damp clean cloth to wipe down the inside and outside of your fireplace walls.
  • Clean the glass doors that cover your fireplace. ...

How to fix a cracked fireplace?

How to Fix a Fireplace. Prep the surrounding work area by hanging plastic drop cloths. Tape them to any door, window, and hallway openings with painters’ tape. Put the canvas drop cloth down immediately underneath the work area. Use the grinder to cut the damaged brick out of the fireplace. Cut just on the inside of the bed joints to ensure ...

How to insert a fireplace?

Decorating a fireplace mantel is no small feat: it’s almost always going to be the centerpiece of your living space so it’s vital to ensure it creates visual interest without looking too cluttered or busy. 'Mantels are natural focal points in rooms ...

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How do you fix a crack in a fireplace insert?

0:243:21how to fix firebox crack, cracked fireplace, fireplace repair - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo we're just gonna kind of get all the dust off of it. Now we're going to take our mortar. And we'MoreSo we're just gonna kind of get all the dust off of it. Now we're going to take our mortar. And we're gonna spread it into the hole like so to fill the.

Can you use a fireplace with a crack in it?

When these fine cracks occur, you can rest assured that the homeowner can enjoy the fireplace with absolutely no danger! In fact, there is metal behind the refractory on a factory-built fireplace; therefore, even if the cracks get larger, the fireplace will still operate safely.

How do I repair the inside of my fireplace?

0:563:39Firebox Repairs - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd round the mortar joints back to about a half of an inch to an inch. The new moist. And weMoreAnd round the mortar joints back to about a half of an inch to an inch. The new moist. And we moisten all the mortar joints. So you get a good bond. And then basically use high-temperature cement.

How do you fix a crack in a firebrick?

Directions (for Individually applied Fire Brick): Apply fire cement to the area that is being repaired, using the trowel. If the brick has broken into more than one piece, apply a layer of cement along one edge of the break and push the pieces firmly back together. Wipe any excess cement from the brick.

How much does it cost to fix a cracked fireplace?

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....Cost to Repair a Fireplace by Problem.ProblemAverage Costs (Labor Included)Crack$150 - $800Smoke Coming Out$150 - $1,000Leak$200 - $1,5003 more rows•Sep 13, 2021

How do you fix a cracked fireplace floor?

1:123:07How To Fix Cracked Mortar or Concrete in a Fireplace with Mor-flexxYouTubeStart of suggested clipEnd of suggested clipSet on exhaust or some compressed air to blow debris out of the joint or use a wet rag to clean outMoreSet on exhaust or some compressed air to blow debris out of the joint or use a wet rag to clean out the joint just make sure to let the joint dry before you apply the sealant.

Why is my fireplace insert cracking?

Causes of cracks Panels may become cracked or damaged due to excessive heat from an improper fire in the firebox area. The fire may have been built too large or not positioned correctly in the fireplace; therefore the panels get exposed to excessive heat.

Can you use silicone on a fireplace?

In fact, silicone is so successful in repelling high temperatures that it's often used as a way to prevent the spread of fire throughout a home. When properly used, a silicone-foam can be used to bring new buildings up to fire code compliance.

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.

Can you change the inside of a fireplace?

You can change the whole look of a fireplace—and the room—in one or two weekends. For full step-by-step instructions, see How to Tile a Hearth.

How much does a firebox cost?

For $1,000 to $2,000, you can purchase a new firebox and cover its installation costs. In some cases, the cost of labor, permits, and inspections may also fall within this price range, but it depends on your fireplace design.

Why do my fire bricks keep cracking?

Stove liners may become cracked after sustained burning at very high running temperatures, or if the liners become damp and are subjected to a high burn rate without a period of slower firing.

Do I need to replace cracked fire bricks?

As a general rule a single hairline crack is not a problem. Replace if it looks like it could fall into the fire. Replace if you can see the stove wall behind.

What is fire cement?

Fire Cement is a ready-to-use putty which is heat resistant up to 1250oc. There are a number of manufacturers and brands and it's available in different sizes in both black and cream. The cement can be used to seal joints in wood stoves, especially around the area where the flue rises out of the top of the stove.

How much does it cost to repair inside of a fireplace?

The average fireplace repair price is between $40 and $60, but some repairs could cost as much as $2,000. Some of the most common repairs for a gas fireplace are failed pilot lights, fogged-up glass and issues with the remote control or thermostat system.

Can you replace a gas fireplace insert?

It can be done, but it's worth looking at all options before committing to repair. Repairing your gas fireplace may be the better option if: The existing fireplace still fits your home aesthetically. There's a minor mechanical problem or broken part.

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 do you replace firebox panels?

0:4610:05Firebox Refractory Replacement - YouTubeYouTubeStart of suggested clipEnd of suggested clipThen we're going to go ahead and cut the new panel to size we're going to install the new panel. AndMoreThen we're going to go ahead and cut the new panel to size we're going to install the new panel. And back and then we're going to reinstall the sides.

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.

How do you cement a fireplace?

7:0413:00DIY Concrete Fireplace in ONE WEEKEND | Building PlansYouTubeStart of suggested clipEnd of suggested clipWe're using the same product that we used on our big fireplace downstairs. They are real concreteMoreWe're using the same product that we used on our big fireplace downstairs. They are real concrete panels from a company called concrete.

How do you replace a brick fireplace liner?

0:192:44Renegade Brick Liner Installation - YouTubeYouTubeStart of suggested clipEnd of suggested clipStep 1 install the two floor pieces in the slot at the front of the fireplace. Place the short pieceMoreStep 1 install the two floor pieces in the slot at the front of the fireplace. Place the short piece to the left and the longer piece to the right.

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.

What kind of mortar do you use in a fireplace?

Sakrete® High Heat Mortar is a dry, medium-duty mortar ideal for setting masonry units in fireplaces, fire pits or chimney applications such as setting clay flue liners and paring a smoke chimney chamber. It has high heat resistant characteristics and excellent strength properties.

How do you replace fire bricks in a fireplace?

Remove the entire brick and clean the area thoroughly. Use a small wire brush to remove piles of ash or bits of broken fire brick from the area. Replace with a new fire brick of the same size and height. Tap the brick into place with a rubber mallet until it sits firmly in its nook.

2. Replace the Panel (s) if the Cracks Are Large

A few small cracks here and there is a simple problem to fix, but if there are many large cracks in a panel or even just one large crack, it’ll be easier and safer to replace the panel altogether.

3. Hire a Professional To Examine the Fireplace

If there are a lot of cracks or if you don’t have a lot of knowledge on fireplaces in general, you should call a professional. Since significant gaps are often dangerous and even life-threatening, it’s essential to have some expert eyes look at the fireplace.

Conclusion

A crack in a fireplace is a common problem. Here are the most important things to remember from this article:

Cracked Fireplace Refractory Panel Repair

Fireplace panels, also known as refractory panels do a vital job of shielding a structure from excessive heat.

What are Fireplace Panels made from?

To fix a faulty or cracked fireplace panel, you’ll need to know the material it’s made from. These are made from heat-resistant materials meant to resist the hottest fires.

Can Fireplace Panel Cracks be filled?

One of the questions that arise when discussing fireplace panels is whether cracks can be fixed.

Causes of Cracked Fireplace Panels

Cracks in fireplace panels happen for a reason. Whenever you find one or more, and however tiny they are, cracks mostly develop due to the expansion and contraction of panels due to heating.

Fixing Cracked Fireplace Panels

For DIYers, the task of performing repair work on a cracked fireplace panel can be overwhelming. Also, fixing such issues can be a bit more complex than you anticipated.

Step 1: This Is Unsafe!

Check out your fireplace. If you have a concrete insert, you could be putting your entire house in danger! I had never used the fireplace in the 5 years I lived here. I had a chimney sweep clean it out, and he told me to fix it or replace the insert.

Step 5: Smooth Caulk

With a barely damp putty knife, smooth caulk so it is even with the existing concrete.

Step 7: Dry Time

Let the caulk dry for a minimum of 24 hours, but no more than 30 days before curing.

Step 8: Curing

According to the instructions on the caulk, you build a low fire, about 200 degrees, to dry the caulk.

How long does it take for mortar to dry?

Let the mortar dry for several minutes until it begins to dry along the edges. Scrape the center of the mortar line with the end of the pointed trowel to remove excess mortar without creating gaps in the mortar line. This should sink your line slightly lower than the stones or insert.

Can a fireplace insert be installed on a hearth?

By Shala Munroe. Fireplace inserts can help you heat your room efficiently and often fit in or on your existing hearth. Some sit flush with the sides of the hearth, while others stick out a bit, radiating additional heat from the top and sides. Either installation method requires that the stones of your fireplace connect to your fireplace insert ...

Why do my fireplace panels crack?

When this process happens repeatedly, then hairline cracks may appear. Other causes may include: Panels may become cracked or damaged due to excessive heat from an improper fire in the firebox area. The fire may have been built too large or not positioned correctly in the fireplace; therefore the panels get exposed to excessive heat.

Who can repair fireplace panels?

Fireplace companies, chimney sweeps and qualified handymen. DIY Home owners will sometimes repair or replace a panel themselves. Fireplace companies, as well as some chimney sweeps and handymen generally can do this work easily and quickly.

What temperature does a fireplace ignite?

Most manufactured fireplaces in homes come as a unit that is installed with wood framing around them. They also have installation clearance requirements between the metal shell (box) of the fireplace and the wood framing. If proper clearances are not provided or the metal shell / box gets too hot, then the wood framing may ignite at temperatures as around 570 °F. If pyrolysis (decomposition from high temperatures) takes place the wood may ignite at even lower temperatures, such as 390 °F.

What causes a firebox to crack?

Other causes may include: 1 Panels may become cracked or damaged due to excessive heat from an improper fire in the firebox area. The fire may have been built too large or not positioned correctly in the fireplace; therefore the panels get exposed to excessive heat. 2 When moving a log in a burning fireplace with a metal stoker rod and the panel gets hit too hard, it may crack. 3 If someone tosses water into a fireplace to extinguish a few lingering embers, and the water hits a hot panel, thermal shock can crack it. 4 Defective panels: Manufactures occasionally have a batch of panels that did not cure properly or got dropped or bumped at the factory. These may not crack until installed or they are exposed to a fire.

How hot does a wood burning fireplace get?

The temperature in a wood burning fireplace gets very hot and can reach 1,100 to 1,500 degrees; with reasonable air circulation it may settle in at around 1,000 degrees.

How wide is a crack in a fireplace?

There are some fireplace professionals that feel if a crack is less than 1/16 of an inch wide or if you can not fit a dime into the crack, that it may be ok or that just a limited repair would be wise. When a panel has wide cracks, multiple cracks or portions of a panel are missing or damaged, then it would be wise to replace the panel.

What is the framing around a manufactured fireplace?

Wood framing around a manufactured fire place. Most manufactured fireplaces in homes come as a unit that is installed with wood framing around them. They also have installation clearance requirements between the metal shell (box) of the fireplace and the wood framing. If proper clearances are not provided or the metal shell / box gets too hot, ...

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