3M Marine Mildew Block

Mfr: 3M
$22.62 On Sale
Marine Mildew Block
SKU: 255839
Mfg# 09065
LFS# 3M09065
UNIT: Each
In Stock - Ships out in 1 Business Day


3M Marine Mildew Block

3M Marine Mildew Block, This innovative, state-of-the-art barrier provides invisible long lasting protection on virtually any surface above the waterline. It contains no bleach, and is the only well-known brand of its kind on the market. Mildew Block forms an invisible barrier that mildew cannot grow on. Works on sails, seat cushions, carpeting, canvas, showers, boat covers, vinyl windows and more!

  • Helps prevent mildew from reforming
  • Developed for harsh marine environments
  • Ready to use half-liter spray bottle
  • For best results, pre-clean with 3M Marine Mildew Stain Remover (#9067) before using this product

Mildew on boats is just a fact of life. But cleaning and preventing it don’t have to be a harsh reality. When used together, 3M Marine’s unique combination of 3M™ Marine Mildew Stain Remover and 3M™ Marine Mildew Block provide a powerful one-two punch in mildew prevention. Mildew Stain Remover’s spray-and-wipe formula makes quick work of unsightly, malodorous mildew stains. Follow-up with Mildew Block to help prevent mildew from reforming, and you’ll spend less time cleaning, and more time boating

Manufacturer: 3M

Category: Fabric Cleaner & Protector



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The length of the warranty may vary by product, please refer to your product for the exact terms and conditions of the warranty for your purchase.


  • Restocking charge will apply at a minimum of 20% for all product returned
  • All returns must be received within 30 days of receipt of the order.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine LFS Marine and Outdoor for Manufacture Defects, Returns and help with Warranties.