Photo of author

Can You Fix a Cracked Acoustic Guitar

Yes, a cracked acoustic guitar can be repaired effectively by a professional luthier. Whether caused by accidents, changes in temperature or humidity, or natural wear and tear, a cracked acoustic guitar can be a cause for concern for any musician.

However, the good news is that these cracks can often be fixed by skilled repair technicians known as luthiers. Luthiers possess the expertise and tools necessary to repair a cracked acoustic guitar, restoring its structural integrity and functionality. By using specialized glues, clamps, and performing precise woodworking techniques, luthiers are able to repair cracks and ensure that the guitar retains its sound quality and performance capabilities.

So, if you find yourself with a cracked acoustic guitar, don’t panic – a qualified luthier can likely fix it!

Understanding The Causes Of Guitar Cracks

Guitar cracks are a common issue faced by many guitar players, both amateur and professional. Understanding the causes of these cracks is essential in preventing and effectively fixing them. In this blog post, we’ll explore the common causes of guitar cracks and the impact of environmental conditions on these cracks. So, let’s dive in!

Common Causes Of Guitar Cracks

When it comes to guitar cracks, several factors can contribute to their occurrence. By being aware of these common causes, you can take necessary precautions to avoid them. Here are some factors to consider:

  1. Physical impacts: Accidental bumps, drops, or mishandling of the guitar can lead to cracks. The delicate nature of the guitar’s thin wooden body makes it vulnerable to damage upon impact. Always handle your guitar with care to prevent such accidents.
  2. Changes in temperature and humidity: Drastic fluctuations in temperature and humidity levels can cause the wood of the guitar to expand and contract, leading to cracks. Extreme heat or cold, as well as sudden changes in humidity levels, can weaken the wood fibers, making them more prone to cracking.
  3. Excessive tension on the neck: The tension from the strings and the truss rod can put undue stress on the guitar’s neck, leading to cracks. It’s important to ensure that the neck is properly adjusted and maintained to prevent excessive tension.
  4. Age and wear: Over time, the constant playing and aging of the guitar can weaken its structure, making it more susceptible to cracks. Regular maintenance and proper care can help prolong the lifespan of your guitar and reduce the likelihood of cracks.

Impact Of Environmental Conditions On Cracks

The environment in which your guitar is stored and played can greatly influence the development of cracks. Let’s take a look at the important points to keep in mind:

  • Temperature: Extreme temperature changes can cause the wood to expand and contract, resulting in cracks. Avoid exposing your guitar to direct sunlight or storing it in areas with high temperature fluctuations.
  • Humidity: High humidity levels can cause the wood to absorb moisture, leading to swelling and potential cracks. On the other hand, low humidity levels can cause the wood to dry out and shrink, also increasing the risk of cracks. Using a humidifier or dehumidifier in the appropriate conditions can help maintain optimal humidity levels.
  • Storage: Storing your guitar in a proper case with a humidifier or in a controlled environment can protect it from the damaging effects of temperature and humidity changes. Additionally, keeping your guitar away from areas prone to excessive moisture, such as basements, can further prevent cracks.

Now that you have a better understanding of the causes of guitar cracks and the impact of environmental conditions, you can take proactive measures to protect your instrument. By ensuring careful handling, proper maintenance, and suitable storage conditions, you can minimize the risk of cracks and enjoy playing your acoustic guitar for years to come.

Assessing The Severity Of The Cracks

When it comes to cracks in your acoustic guitar, it’s crucial to assess their severity before conducting any repairs. Different types of cracks can occur on a guitar, and each requires a specific evaluation to determine its seriousness. By understanding how to identify various types of cracks and determining their severity, you can take the necessary steps to fix your beloved instrument and prevent further damage.

Identifying Different Types Of Cracks

To accurately assess the cracks on your acoustic guitar, it’s essential to identify the different types of cracks that may appear. Common types of cracks include:

  1. Top cracks: These cracks occur on the top surface of the guitar and can range from minor surface cracks to more severe splits.
  2. Back cracks: Similar to top cracks, back cracks appear on the backside of the guitar body. They can vary in severity and may require immediate attention.
  3. Side cracks: Side cracks typically appear along the sides of the guitar body. They can be caused by changes in humidity or physical trauma, such as a bump or drop.
  4. Headstock cracks: Located at the headstock, these cracks can affect the stability of the guitar’s neck and require immediate assessment.
  5. Fretboard cracks: These cracks often occur along the fretboard and can impact the playability and structural integrity of the guitar.

By being familiar with the different types of cracks that can occur, you can better understand the potential consequences and necessary repairs.

Determining The Seriousness Of Each Crack

Once you’ve identified the type of crack on your acoustic guitar, it’s crucial to assess the seriousness of each individual crack. This evaluation will help you determine whether the crack requires professional repair or if you can handle it yourself. Consider the following factors:

  1. Depth: Measure the depth of the crack using a feeler gauge or by gently probing with a thin object. The deeper the crack, the more serious the damage.
  2. Length: Measure the length of the crack using a ruler or measuring tape. Longer cracks often indicate more significant structural issues.
  3. Stability: Assess whether the crack is stable or whether it is spreading or causing any movement in the affected area.
  4. Location: Take note of where the crack is located on the guitar. Cracks near critical areas, such as the bridge or neck joint, may require immediate attention.

By carefully evaluating these factors, you can gauge the severity of each crack and make an informed decision about the necessary repairs. Remember, it’s always best to consult a professional guitar repair technician if you’re unsure or if the crack appears severe.

Diy Methods For Repairing Minor Guitar Cracks

Guitar cracks can be a frustrating problem for musicians, but thankfully, many minor cracks can be repaired with some basic tools and materials. Before you rush off to the nearest guitar repair shop, consider trying some DIY methods to fix the crack yourself. Not only will this save you money, but it will also give you the satisfaction of knowing that you’ve fixed your guitar with your own two hands. In this guide, we’ll take you through the step-by-step process of filling and repairing minor cracks in your acoustic guitar.

Gathering Essential Tools And Materials

Before you get started, it’s important to have the right tools and materials handy. Here’s a list of what you’ll need to repair your guitar:

Tools Materials
Bristle brush Epoxy or superglue
Sanding block or sandpaper Masking tape
Clamps Wood filler or epoxy putty
Plastic spatula Polishing compound
Microfiber cloth Wood stain or touch-up marker (optional)

Step-by-step Guide For Filling And Repairing Cracks

  1. Assess the crack: Start by examining the crack and determining its severity. If it’s a minor crack that hasn’t affected the structural integrity of the guitar, you can proceed with the DIY repair. However, if the crack is large or has caused significant damage, it’s best to consult a professional.
  2. Clean the crack: Use a bristle brush to remove any debris or dust from the crack. This will ensure that the glue or epoxy adheres properly.
  3. Apply masking tape: Take some masking tape and cover the surrounding area of the crack. This will help protect the finish of the guitar and prevent any unwanted marks.
  4. Fill the crack: Using a plastic spatula, apply a thin layer of wood filler or epoxy putty into the crack. Make sure to push the filler all the way into the crack, filling it completely.
  5. Remove excess filler: Use the spatula to remove any excess filler from the crack. Wipe away any excess using a microfiber cloth.
  6. Apply clamps: If necessary, use clamps to hold the crack together while the filler dries. Make sure not to overtighten the clamps, as this could cause damage to the guitar.
  7. Let it dry: Allow the filler to dry completely according to the instructions provided with the wood filler or epoxy putty. This may take several hours or overnight.
  8. Sand and polish: Once the filler is dry, use a sanding block or sandpaper to gently sand down the repaired area until it is smooth and flush with the surrounding wood. Polish the area with a polishing compound to restore the shine.
  9. Touch-up if necessary: If the repaired area is noticeable, you can touch up the finish of the guitar using wood stain or a touch-up marker that matches the color of your guitar.

Repairing minor cracks in your acoustic guitar doesn’t have to be a daunting task. With the right tools, materials, and a little bit of patience, you can fix those cracks and get back to making music in no time. Just remember to take your time, follow the steps carefully, and if you ever feel unsure, don’t hesitate to seek professional help.

Can You Fix a Cracked Acoustic Guitar


Seeking Professional Help For Major Guitar Cracks

When it comes to repairing a cracked acoustic guitar, minor cracks can often be fixed with some simple DIY methods. However, major guitar cracks require a different level of expertise and attention. Seeking professional help in such cases is crucial to ensure the proper restoration and preservation of your beloved instrument. In this section, we will explore when to consult a professional guitar repair technician and highlight the importance of professional assessment and repair.

When To Consult A Professional Guitar Repair Technician

Identifying when to consult a professional guitar repair technician is essential for maintaining the longevity and sound quality of your acoustic guitar. Here are some scenarios where it’s highly recommended to seek professional help:

  1. If you notice a major crack that extends from the soundhole to the edge of the guitar body or anywhere on the top, back, or sides of the instrument.
  2. When the crack causes significant structural damage, such as separating the top or back from the sides of the guitar.
  3. If the crack affects the stability of the guitar neck or causes visible changes in its alignment.
  4. When cracks lead to buzzing or abnormal vibrations that impact the guitar’s tone and playability.
  5. If you lack experience or confidence in handling intricate guitar repairs yourself.

By recognizing these signs, you can make an informed decision to consult a specialist who possesses the necessary skills and knowledge to address major guitar cracks effectively.

Importance Of Professional Assessment And Repair

Professional assessment and repair play a vital role in salvaging your cracked acoustic guitar. Here’s why:

  • Accurate assessment: Qualified guitar repair technicians have extensive experience in evaluating the extent and severity of the crack. Their expertise enables them to diagnose underlying issues that might be hidden to the untrained eye.
  • Precision repair: Professionals employ specialized techniques and tools to repair major guitar cracks with meticulous precision. They apply the right adhesives, braces, or reinforcement materials to restore structural integrity without compromising the instrument’s sound quality.
  • Quality preservation: Having a professional handle your guitar ensures that the repair process is carried out using suitable materials and methods. This helps preserve the original aesthetics, resonance, and tone characteristics of your acoustic guitar.
  • Long-term reliability: When major cracks are fixed by professionals, you can have peace of mind knowing that the repairs are durable and reliable. This not only allows you to continue playing your beloved instrument but also helps maintain its value over time.

Overall, entrusting the repair of major guitar cracks to a professional repair technician ensures thorough assessment, precise repair techniques, quality preservation, and long-term reliability. By choosing professional help, you give your acoustic guitar the best chance of being restored to its optimal condition and continue producing beautiful music for years to come.

Preventive Measures To Avoid Guitar Cracks

If you own an acoustic guitar, you know how heart-wrenching it can be to discover a crack in it. Cracks in a guitar not only affect its appearance but can also impact its sound quality and structural integrity. While some minor cracks can be fixed, others may require professional repair or even replacement.

Proper Guitar Maintenance And Care Tips

Maintaining your guitar properly is vital to prevent cracks from occurring. Regular care and maintenance can go a long way in protecting your instrument’s delicate wooden body. Here are a few maintenance and care tips to help you avoid guitar cracks:

  1. Keep your guitar in a stable temperature and humidity:

Wood is highly sensitive to changes in temperature and humidity. Extreme fluctuations in these conditions can cause the wood to expand or contract, leading to cracks. To prevent this, store your guitar in a room with a stable environment. Ideally, the temperature should be around 70°F (21°C) with a humidity level of 40-50%. Use a hygrometer to monitor humidity levels and a humidifier or dehumidifier if necessary.

  1. Use a suitable guitar case or gig bag:

Invest in a high-quality guitar case or gig bag to provide your instrument with proper protection during transportation or storage. Ensure the case or bag has a snug fit to avoid any movement that could potentially cause cracks.

  1. Wipe down your guitar after each use:

After playing your guitar, wipe it down with a clean, soft cloth to remove any sweat, dirt, or oil that may have accumulated. This simple step helps prevent buildup that could damage the finish or wood over time.

  1. Avoid exposure to direct sunlight:

Direct sunlight can cause the wood to dry out and lead to cracks. When not playing, keep your guitar away from windows or any areas where it can be exposed to prolonged sunlight.

Creating An Ideal Environment For Your Acoustic Guitar

In addition to maintaining your guitar, ensuring the environment it is in is ideal can greatly reduce the risk of cracks. Here are some steps to create an optimal environment for your acoustic guitar:

  1. Use a room humidifier or dehumidifier:

If the humidity levels in your guitar storage area are consistently outside the recommended range, consider using a room humidifier or dehumidifier to regulate the moisture. This helps create a stable environment for your instrument.

  1. Avoid extreme temperatures:

High heat or extreme cold can damage your guitar’s wood. Avoid storing your guitar in areas with significant temperature fluctuations, such as attics, garages, or near heating or cooling vents.

  1. Invest in a guitar humidifier:

If you live in a particularly dry climate or during winter months when indoor heating reduces humidity levels, using a guitar humidifier can help maintain moisture in the wood. Place the humidifier in the soundhole or follow the manufacturer’s instructions for optimal placement.

By following these preventive measures, you can significantly reduce the risk of cracks in your acoustic guitar. Regular maintenance, proper care, and creating an ideal environment for your instrument will ensure it remains in pristine condition for years to come.

Frequently Asked Questions On Can You Fix A Cracked Acoustic Guitar

How Much Does It Cost To Fix A Cracked Acoustic Guitar?

Repairing a cracked acoustic guitar can cost anywhere from $50 to $300, depending on the severity of the damage and the expertise of the repair technician.

Can A Broken Acoustic Guitar Be Fixed?

Yes, a broken acoustic guitar can be fixed by a professional guitar technician.

Does A Crack Ruin A Guitar?

Yes, a crack can damage a guitar. It can affect the sound quality and stability of the instrument, leading to further complications. It is important to seek professional help to repair the crack and prevent further damage.

Can You Play A Guitar With A Cracked Top?

Playing a guitar with a cracked top is not recommended as it can affect the sound quality and stability.


Repairing a cracked acoustic guitar is possible, but it requires careful consideration and expertise. Whether it’s a minor crack or a major break, seeking professional help is essential to ensure the longevity and quality of the instrument. Remember to consult with a skilled luthier or guitar technician who can assess the damage and provide appropriate solutions.

By taking the right steps, you can restore your cracked guitar and continue to make beautiful music for years to come.

Leave a Comment