How To Use Borax To Kill Mold On Wood?

Wood is a beautiful and versatile material used in various applications, but it is also susceptible to mold growth. Mold can not only damage the appearance of wood but also pose health risks. 

Fortunately, there’s a cost-effective and efficient solution to this problem: borax. In this guide, we will explore how to effectively use borax to eliminate mold on wood surfaces.

Do Not Forget to Read About: Best and Latest Air Purifiers

Understanding Borax

Borax, also known as sodium borate, is a naturally occurring mineral compound with powerful antifungal properties. It has been widely used for decades as a household cleaner and disinfectant. 

Borax effectively kills mold by penetrating its cellular structure, inhibiting its growth, and preventing it from spreading further.

Step-by-Step Guide: Using Borax to Eliminate Mold on Wood

1. Safety Precautions

Before you begin the mold removal process, it’s important to prioritize safety. Make sure to wear protective gloves, a face mask, and safety goggles to shield yourself from potential mold spores and the cleaning solution.

2. Preparation

Start by preparing a borax cleaning solution. Mix one cup of borax with one gallon of hot water in a bucket or container. Stir the mixture until the borax is fully dissolved.

3. Application

Using a sponge or a clean cloth, dip it into the borax solution and wring out any excess liquid. Thoroughly scrub the mold-infested wood surface with the sponge or cloth, ensuring complete coverage.

4. Let it Sit

Allow the borax solution to sit on the wood for approximately 15 minutes. This dwell time enables the borax to penetrate the mold and effectively kill it.

5. Scrub and Rinse

After the dwell time, use a scrub brush to agitate the mold-infested area gently. Scrub in a circular motion to dislodge any remaining mold particles. Once the scrubbing is complete, rinse the wood surface with clean water to remove the borax residue.

6. Drying

Thoroughly dry the wood surface using a clean towel or allow it to air dry. Adequate drying is crucial to prevent mold regrowth.

7. Prevention

To prevent future mold growth, it’s essential to address any underlying moisture issues. Ensure proper ventilation and maintain optimal humidity levels in the area where the wood is located. Regularly inspect and promptly repair any water leaks or sources of moisture.

How To Use Borax To Kill Mold On Wood


Borax is a highly effective and affordable solution for eliminating mold on wood surfaces. By following the step-by-step guide outlined in this article, you can safely and efficiently remove mold from wood using borax. 

Remember to prioritize safety, allow the borax solution to sit, scrub gently, and thoroughly dry the wood. By taking these preventive measures, you can maintain mold-free and healthy wood surfaces for years to come.

Kristen Park - Specialised Content Writer for Caresh Fresh

My name is Kristen Park and I am a senior writer specialising in how-to guides and home cleaning information at Cares Fresh. As a researcher, I take pride in digging deep to find every small detail on a topic and explaining it in a way that is easy for the reader to understand.