Skip to product information
1 of 18

303 Marine Fabric Guard (16oz/ 32oz/ 1 Gallon)

303 Marine Fabric Guard (16oz/ 32oz/ 1 Gallon)

Regular price £17.99
Regular price Sale price £17.99
Sale Sold out
Tax included. Shipping calculated at checkout.
UPC(s): 30616: 30604:
  • Strengthens and Restores Lost Water Properties For Marine Fabrics
  • Recommended by Sunbrella, Leading Outdoor Fabric Manufacturer
  • Protects Against Water-Based Stains
  • Does Not Alter Fabric Color, Feel, Flammability, or Breathability
  • Safe For Synthetic and Natural Fibers In Marine Environments
  • Unscented Coating


303 Marine Fabric Guard is the only product recommended by and for Sunbrella, as well as other fabric manufacturers, to restore lost water and stain properties to fabrics. Resist water, even when you’re on the water. 303 Marine Fabric Guard creates a powerful shield to greatly increase water properties and protect against water-based stains. Spray it on fabric boat covers, awnings, Dacron sails and more! When applied to clean and dry fabrics, 303 Marine Fabric Guard restores lost water and stain properties to straight-from-the-factory levels. Keep all your favorite fabrics crisp and clean for years to come.

Additional Information

Step One
Apply in full sun when temperature is above 70 degrees Fahrenheit.

Step Two
Spray surface fabric evenly - overlapping sprayed areas - until wet.

Step Three
Allow surface fabric to dry for 12-24 hours.

Step Four
Treated material must be protected from rain/dew until completely cured.

View full details