How To Repair A Cracked Marble Threshold

Is your marble threshold looking a little worse for wear? Perhaps it's seen better days and is now riddled with cracks. Don't worry, we have compiled a guide to help you fix your cracked marble threshold.

While marble is a tough and durable material, it is not immune to cracking. Cracks in marble can be caused by a number of factors, including thermal stress, impact damage, and even subtle changes in temperature or humidity.

The good news is that, in most cases, cracked marble can be repaired through these steps:

  1. Clean the Area Around the Crack
  2. Apply Epoxy
  3. Smooth Out Rough Edges
  4. Clean the Marble Threshold

In this post, we will explain how to repair a cracked marble threshold using just a few simple steps. So before you run off and buy a new threshold, give this fix a try! It might just save you some money.

closeup of a  cracked tiles, How To Repair A Cracked Marble Threshold

What Causes Marble Cracks?

crack on marble background from a giant white rock

Many people are familiar with the smooth, glossy surface of marble countertops and flooring. Marble is a beautiful natural material that has been used in home decor for centuries. However, marble is also notoriously delicate, and hairline cracks are a common occurrence. 

There are several different factors that can contribute to cracking in marble, including temperature changes, stress, and improper installation. 

  • Marble is sensitive to temperature fluctuations, and expansion and contraction can cause cracks to form. 
  • In addition, marble is often cut into thin slabs that are supported by a structure of metal or wood. If this support system is not properly installed or maintained, it can put undue stress on the marble, causing it to crack. 
  • Finally, marble is a relatively soft stone, so it can be easily damaged by heavy objects or impact. 

Whether it’s a result of wear and tear or an accident, cracks in marble are inevitable. However, with proper care and maintenance, you can help minimize the risk of damage.

What Is the Best Way to Repair a Cracked Marble Threshold? 

Given the right materials and techniques, cracked marble can often be repaired quite easily.

1. Clean the Area Around the Crack

Cleaning the countertop.

Using a damp cloth to first remove any dirt or debris, apply a marble cleaner to the area around the crack. This will remove any grease or residue that might prevent the epoxy from bonding to the marble.

See granite cleaner on Amazon.

2. Apply Epoxy

Mix together a small amount of two-part acrylic epoxy adhesive. Using a putty knife, spread the glue evenly and press it into the crack. Allow the epoxy to dry for at least 24 hours.

Man using two component adhesive for repairing marble in a close up view of his hands in a concept of DIY repairs with copy space.

Order epoxy on Amazon.

3. Smooth Out Rough Edges

Once the epoxy has hardened, use a wet rag to smooth out any rough edges. Then, use fine-grit sandpaper to sand down the area until it is flush with the rest of the threshold.

Get sandpaper on Amazon.

4. Clean the Marble Threshold

To finish, wipe down the area with a damp cloth and then buff it dry with a soft, lint-free cloth. Your cracked marble threshold should now be good as new!

What Are Some of the Benefits of Repairing a Cracked Marble Threshold? 

There are a number of benefits to repairing a cracked marble threshold. 

  • First, it can help to prevent further damage to the marble. Cracks can trap dirt and moisture, which can cause the marble to deteriorate further. 
  • In addition, repairing a crack can help to restore the threshold's original appearance. A well-maintained threshold can add beauty and value to a home. 
  • Finally, repairing a cracked threshold can also help to prevent injuries. Marble is a smooth, hard surface, and cracks can create tripping hazards. 

How to Know If You Can Still Repair a Cracked Marble Threshold?

While cracked marble can be fixed, it is important to know if the damage is too severe to repair. There are a few things that you will need to consider before trying to fix a cracked marble threshold. 

First, you need to determine the size of the crack. If the crack is less than three inches long, then it can probably be repaired. However, if the crack is longer than three inches, then it is likely too damaged to fix. 

Second, you need to assess the depth of the crack. If the crack goes all the way through the marble, then it will be very difficult to repair. 

Finally, you need to consider the location of the crack. If the crack is in a highly visible area, then it might be best to replace the entire threshold. However, if the crack is in a less conspicuous spot, then you might be able to repair it without having to replace the entire piece.

Costs to Repair a Cracked Marble Threshold 

While marble threshold repairs can vary in cost depending on the severity of the damage, there are some general costs that can be expected. 

First, the damaged threshold will need to be removed and replaced. This process can be costly, as it requires special tools and expertise. 

The new threshold will also need to be sealed to prevent further damage. The epoxy acrylic sealed-in tube can cost up to  $40.95.

Finally, the surrounding area will need to be repaired and repainted to match the new threshold. A contractor could charge you up to $80 for labor on a marble threshold installation.

While the cost of repairing a cracked marble threshold can be significant, it is often worth the investment to maintain the beauty and integrity of your home.

Should You Fix the Cracked Marble Threshold or Hire a Professional?

If you have a cracked marble threshold, you may be wondering if you should fix it yourself or hire a professional. While it is possible to repair the damage yourself, it is important to keep in mind that marble is a delicate material.

In order to avoid further damage, it is best to leave the repair work to a professional. Here are some things to consider when making your decision:

The Size of the Crack

A small crack can usually be repaired without professional help. However, if the crack is large or extends across the entire threshold, it will be more difficult to fix.

The Severity of the Damage

Minor cracks and chips can usually be repaired quite easily. However, if the damage is severe, it may be best to replace the threshold altogether.

Your Own Skills and Experience

If you have never worked with marble before, it is best to leave the repair work to a professional. Even if you are experienced in working with stone, repairing a large or complex crack can be challenging.

The Cost of the Repair

Hiring a professional to repair your threshold will likely cost more than doing it yourself. However, if you are not confident in your ability to fix the damage, it is worth the extra expense to ensure that the job is done correctly.

In most cases, it is best to hire a professional when repairing a cracked marble threshold. While DIY repairs are often cheaper, they also come with a greater risk of further damaging the delicate stone.

How Long Does It Take To Repair a Cracked Marble Threshold?

The answer depends on the severity of the damage. For small cracks, a simple epoxy resin should be enough to fill the void and restore the threshold to its original condition. You can just complete it in 15-30 minutes, depending on how the epoxy resin will become fully dried.

In some cases, the entire threshold may need to be replaced. The good news is that most professional marble restoration companies can complete the job quickly and efficiently, so you won't have to live with a cracked threshold for long.

How to Properly Maintain Your Marble Threshold?

The people cleaning floor with machine.

Marble is a beautiful and luxurious material that can add a touch of elegance to any home. However, it is also relatively soft and porous, making it susceptible to staining and scratching.

If you have a marble threshold in your home, it is important to take care of it to keep it looking its best.

Here are a few tips for proper marble threshold maintenance:

  1. Sweep or vacuum the threshold regularly to remove dirt and debris.
  2. Wipe up spills immediately to prevent them from setting into the marble.
  3. Use only mild, pH-neutral cleaners on the threshold. Harsh cleaners can damage the marble.
  4. Polish the threshold regularly with a high-quality stone polish. This will help to fill in any scratches and protect the surface from future damage.

By following these simple tips, you can keep your marble threshold looking like new for years to come.

Final Words

The process of repairing a cracked marble threshold is not difficult, but it is important to take your time and do the job correctly. By following the steps we’ve outlined for you, you can have your threshold looking good as new in no time.

For more tips and ideas on keeping your floor extra safe and stylish, see our posts below:

How To Move A Floor Vent In A Mobile Home

How To Tile A Shower Without Threshold