Spend less time cleaning and more time enjoying!

Prevents the growth of mildew.

Works on any surface above the water line.

Easy-to-use application!

3M Marine Mildew Block prevents the growth of mildew on most marine materials and surfaces. 3M Mildew Block creates an invisible barrier that resists mildew and maintains the fresh, clean look of your boat. Stop removing mildew and start preventing it! You should use 3M Marine Mildew Block works on virtually any marine surface above the water line including: canvas, carpeting, deck furniture, rub rails, sail fabric, seat cushions, showers, upholstery, vinyl windows, and more!

3M Marine Mildew Block is like a sealant for your boat! For the best protection, use 3M Marine Mildew Block on a new boat or a boat that has just been cleaned. The long-lasting coating will block the formation of new mildew. Instead of dingy surfaces and a damp-smelling odor, a boat treated with 3M Marine Mildew Block will look and smell clean. Use it now and avoid mildew later.

16.9 oz.