How to Fix a Crack in a Mirror: A Comprehensive Guide?

Before you embark on the journey to repair your cracked mirror, it’s crucial to assess the extent of the damage. Not all cracks are the same, and the approach you take may vary depending on the severity of the crack.

  • Surface-Level Cracks: These are minor cracks that don’t penetrate deep into the mirror. They are easier to fix.
  • Deep Cracks: These cracks extend deep into the glass and are more challenging to repair. They may require professional help.

Gathering Your Tools

You’ll need the following tools and materials for this repair:

  • Safety Gear: Safety goggles and gloves to protect yourself from glass shards.
  • Glass Cleaner: To clean the mirror before and after the repair.
  • Glass Adhesive: A strong adhesive designed for glass repair.
  • Razor Blade or Glass Cutter: To remove any loose glass pieces.
  • Clear Tape: To hold the cracked sections together temporarily.
  • Clamps or Heavy Objects: To keep the mirror in place while the adhesive dries.

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Repairing the Mirror

Now, let’s dive into the process of fixing the crack in your mirror:

Cleaning the Mirror

Start by cleaning the mirror with a glass cleaner to ensure that there is no dirt or debris that can interfere with the repair.

Removing Loose Glass

Use a razor blade or glass cutter to carefully remove any loose glass from the crack. Be cautious to avoid injury.

Applying Adhesive

Apply a generous amount of glass adhesive along the crack. Ensure that the adhesive penetrates the entire crack.

Holding It Together

Use clear tape to hold the cracked sections together while the adhesive dries. If the crack is deep, consider using clamps or heavy objects to maintain pressure.

Drying Time

Follow the manufacturer’s instructions for the adhesive’s drying time. It’s essential to be patient and allow the adhesive to cure fully.

Cleaning Up

After the adhesive has dried, remove the tape and clean any excess adhesive with a glass cleaner.

Frequently Asked Questions (FAQs)

Q: Can I use super glue to fix a cracked mirror?

Yes, you can use a strong, clear adhesive like glass adhesive or super glue. However, ensure that it’s suitable for glass repair.

Q: How long does it take for the adhesive to dry?

The drying time varies depending on the type of adhesive used, but it typically takes 24-48 hours to cure completely.

Q: Will the repaired crack be invisible?

While the repair may not make the crack entirely invisible, it should significantly reduce its visibility.


Fixing a cracked mirror is a manageable DIY project if the damage is not too severe. By following the steps outlined in this guide and being patient during the drying process, you can restore your mirror’s functionality and aesthetics. Remember to prioritize safety by wearing appropriate gear and handling glass with care.

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