How to Remove Mold & Mildew From Boat Fabrics

The moisture associated with a marine environment makes boat fabrics prone to mold growth and mildew. Most boat owners have to deal with mold at some point. Rapidly forming mold grows in the dark, warm, enclosed boat interiors during storage. Untreated mold and mildew will grow until the only choice is to remove the affected parts--but removing the mold and mildew as soon as it is discovered can save the boat's fabric surfaces. Strong commercial products are that won't damage the fabric are your best bet.

How to Remove Mold & Mildew From Boat Surfaces

  1. Spray a heavy layer of Mold-Off liquid on all of the fabric surfaces that are growing mold. The surfaces should be visibly wet. Let this stand overnight.
  2. Fill the bucket with water and wet the cloth. Rub in small circular motions and rinse the cloth whenever it begins to dry out or show the mold. Let this sit to dry.
  3. Spray another layer of Mold-Off on the fabric surfaces. Let this coat air dry. This layer will not be wiped off. It will stay on the surface of the fabric to keep more mold and [mildew](https://homesteady.com/facts-5073620-mildew.html) from growing in the future.

Things You Will Need

  • Mold-off biodegradable spray
  • Soft cleaning cloth
  • Bucket
  • Water


  • 3M Marine Mildew Block Spray is another product - in addition to Mold-Off that works for cleaning mold and mildew off of fabrics.
  • Mold-Off spray works best on warm days when the surfaces can be left for a few hours exposed to sunlight.
  • Keeping the boat interior dry and clean will help prevent future mold and mildew outbreaks.
  • An alternative way to prevent future mold growth, according to the Canvas Country website, is to spray the surface with a 50-50 mix of white vinegar and water.

About the Author

Laure Justice is a professional copywriter, since 2008. Justice has a broad-based business education, holding an AA in business administration and a Bachelor of Arts in management, plus certifications in accounting and international trade. She has written for GMC, Bounty Paper Towels, Purina's Petcentric, Colgate, Type F, Kudzu, eHow and many others.