303® Fabric Guard 128 oz. (Gallon)

6 Reviews
SKU: 501100



303® Fabric Guard keeps fabrics fresh, soft, colorful and breathable, all while adding a powerful coating to repel water and prevent serious stains. Use this spray to keep rugs and upholstery clean and covers free of blemishes. You can even spray it on the seams of your convertible top to prevent wicking. When applied to clean and dry fabrics, 303 Fabric Guard restores lost water and stain repellency to straight-from-the-factory levels. This product keeps all your favorite fabrics crisp and clean for years to come.

Use 303 Fabric Guard for powerful outdoor protection on Sunbrella® fabric, acrylics, polyesters, nylons, cotton duck canvas, auto and truck interiors, campers, RV's, carpet, tents, convertible tops, awnings, outdoor furniture and more. Do not use Fabric Guard on vinyl, clear vinyl, zippers, plastics, rubber, fiberglass or imitation suede.

Usage Directions: Product liquid and spray are flammable, keep product and treated article (until dry) away from heat, sparks or open flames. Do not smoke when applying 303 Fabric Guard. Spray until evenly wet, overlapping sprayed areas. Do not saturate. Immediately wipe up any overspray before it dries.

NOTE: Reduced coverage when applied with paint roller or brush. Apply to fabric above 70°F/21°C. (For quicker drying/curing and best results, apply in full sun.) Treated material must be protected from rain/dew until completely cured. CURING: 12-24 hours dependent on temperature. If these steps are performed correctly, the material will be water repellent at this point. 303 Fabric Guard will need reapplication depending on fabric exposure to sunlight and weather conditions; pour water on fabric to determine need to retreat fabric. COVERAGE: 40-75 sq. ft. (30 x 60cm) depending on material and application method.

Example Uses:

Patio Cushion

  • Untreated: Cushions are stained and water soaks into the fabric.
  • Treated with 303 Fabric Guard: Water and soil are repelled from the fabric, prolonging its life.


  • Untreated: The umbrella is stained from outdoor elements and rain.
  • Treated with 303 Fabric Guard: Water and soil are repelled from the fabric and it is protected from outdoor elements.

Ratings & Reviews

6 reviews

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This is the answer to your waterproofing needs!


This has become my "go-to" product! It works fantastic! It smells nice. It's easy to apply. I have used it for my outdoor umbrella over my table, a canopy, all my outdoor cushions including a futon cover. I have been using it for 2 years and recommend it to my friends!

Good service


I'm very impressed with sailrites shipping and customer service. I'm new to upholstery, and am quite impressed with the quality of everything I've bought. Thank you sailrite.

303 Fabric Guard

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Ordered 303 Fabric Guard to rewaterproof a boat mooring cover. Product came very quickly and applications was easy based on video from Sailrite. Will evaluate effectiveness later this summer.

great company

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I purchased fabric guard to use on gazebo covers you can't beat this product, in addition the ordering process is simple and smooth, delivery was on time and sailrite always follows up to make sure the customer is happy

keeping dry

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great product this is the third time i have ordered this

Great product

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This is the first time I've tried this product and it works great. I did some research and found it to be highly recommended by other boaters. Application was really easy, just spray on and let dry, it works immediately. Now our bimini top is keeping us dry again.