Retreating Sunbrella Fabrics
Sunbrella fabrics are treated with a proprietary water and stain repellent finish that is designed to last for several years, but may require replenishing after a thorough cleaning. Glen Raven® recommends 303® Fabric Guard™, available in the United States, and Tex’Aktiv, available internationally.
Applying a retreatment:
Clean Sunbrella fabric, using one of the cleaning methods.
Allow Sunbrella to completely air dry.
Apply retreatment in a well-ventilated area following instructions on the container.
https://www.sunbrella.com/en-us/how-to- ... upholstery
APPLYING 303 FABRIC GUARD
303 should be applied to Sunbrella fabrics after each thorough cleaning, which typically removes the original finish and reduces the fabric’s
water repellency.
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Clean Sunbrella fabric, using one of the cleaning methods.
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Allow Sunbrella to completely air dry.
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Apply 303 Fabric Guard in a well-ventilated area following instructions on the container.
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Apply 303 in a thin, even coat and allow fabric to dry completely.
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Apply a second thin, even coating of 303. (Two light coatings are more effective in restoring fabric water resistance than a single heavy coating.)
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Note: A 15-ounce bottle provides coverage of up to 50 square feet of fabric.
Gold Eagle makes several 303 products. See
https://www.goldeagle.com/product/303-fabric-guard/ and
https://www.goldeagle.com/303/?fwp_categories=marine