15 ft Flagpoles – Premium Made-in-USA Aluminum & Fiberglass Poles

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15 ft Flagpoles For a standout yet manageable display, a 15 ft flagpole is hard to beat—tall enough to be noticed, compact enough for DIY installation. At Liberty Flagpoles, our 15 ft offerings are engineered in the USA from marine-grade 6063-T6 aluminum or high-tensile fiberglass. Whether you’re a homeowner, small business, or municipality, you’ll find the exact configuration you need: Telescoping Poles with no-tool extension collars for quick setup and seasonal height adjustment Sectional Poles in bolt-together segments for easy shipping and permanent installation Fiberglass Models that resist rust and deliver flexible strength in coastal environments Aluminum Poles featuring reinforced walls for year-round durability Residential-Style designs that blend with landscaping and curb appeal Commercial-Grade poles built to handle frequent use and larger flags Hurricane-Series poles with vibration-dampening cores for extreme wind resilience Some 15 ft flagpoles can be fitted with your choice of external or internal halyard kits, stainless-steel fittings, and a variety of finish colors, all backed by our veteran-owned commitment to premium support. Installation & Foundation Advice Dig & Level: Excavate a 12″ × 12″ hole, 24″ deep. Set our galvanized sleeve perfectly plumb and level. Concrete Fill: Pour at least 300 lb-ft of concrete around the sleeve. Wait 24–48 hours to cure before raising the pole. Erect & Secure: Sectional: Bolt each section using supplied hardware and a torque-rated wrench. Telescoping: Rotate collars to expand each segment; ensure full engagement. Halyard Setup: Thread rope through the truck’s pulley, secure on the cleat, and cycle the line to confirm smooth action. Flag Mounting: Clip on a standard 3′×5′ flag using heavy-duty snap hooks; test raise/lower for clearance and operation. Routine Upkeep: Bi-annual rinse with fresh water, inspect halyards and connectors, and apply silicone spray to the pulley. Accessories & Enhancements Hal