Description
White 4x4 Slim Post Caps deliver a clean, modern finish for 4x4 fence posts. Designed for a slim profile, they protect your post tops from moisture and wear. The snap-cap system makes installation quick and secure, reducing time on every section. Made by Atlanta Post Caps from high-impact ASA resin, these caps help resist fading, discoloration, and warping over time. A tailored fit supports a standard nominal post, so you can upgrade your railing look with less guesswork. Choose this white slim style to create a more polished perimeter while keeping post ends shielded. Ideal for decks, fences, and outdoor projects.
The white 4x4 post caps in this slimline series are only available in the nominal size.
View our installation instructions here.
Product Warranty
Atlanta Post Caps offer a 10-year warranty on discoloration, fading, and warping of these 8x8 post caps. The company also offers a 100% satisfaction guarantee and full refund if the post caps don’t meet your quality expectations and needs.
The caps are exclusively made in the USA, with customization available for specific products.
4x4 Post Cap (3.5" x 3.5") │ White Slim Profile Fence Post Cap
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Fits a standard (Nominal) post. (3.5” x 3.5” up to 3.75" x 3.75").
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Slim Profile caps slide down the post 3/4” and are 4.5” x 4.5” at their widest point.
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10 year guarantee against fading, discoloration and warping!
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High impact, remarkably sturdy ASA resin. The same material used in automobiles!
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Made in the U.S.A.
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Quick and easy patented SNAP-CAP installation, built right into the cap!
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Fraction of the cost of comparable wood caps.
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Contractor and bulk pricing available!
