Post Stiffeners for Aluminum and PVC Fence Posts
Antebellum Manufacturing distributes domestic aluminum extrusions designed to support and strengthen fence post installations. These post stiffeners are engineered for aluminum fence posts in 2-inch and 2.5-inch sizes as well as 5-inch PVC posts, delivering increased rigidity and long-term performance.
Antebellum Manufacturing offers a complete range of aluminum post stiffeners manufactured from premium domestic extrusions. Each product is factory cut to length to simplify installation and eliminate the need for on-site cutting.
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Aluminum Post Stiffeners for 2-Inch and 2.5-Inch Posts
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2-inch and 2.5-inch aluminum post stiffeners available in 6-foot and 8-foot lengths
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I/H beams designed for line and end posts
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L beams designed for corner posts
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5-Inch Aluminum Post Stiffeners for PVC Posts
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5-inch × 5-inch aluminum post stiffeners sized for 5-inch PVC posts
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Available in 8-foot (94-inch) and 9-foot (106-inch) lengths
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I/H beam configurations for line posts and gate posts
Additional Reinforcement A picket stiffener measuring ¾ inch × 0.055 inch × 62 inches is available for bottom channel support.
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All products are produced from premium aluminum and are intended to deliver stronger posts and a more durable fence system while supporting American extruders.

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