Description
3 in. Square Aluminum Post Kit with Flat Welded Base
The 3 in. Square Aluminum Post Kit with Flat Welded Base is designed to provide a strong, clean mounting solution for residential and commercial railing and fence systems. The flat welded base allows for secure surface mounting while maintaining a streamlined, professional appearance.
Manufactured from durable aluminum, this post kit is low maintenance, available in multiple finish options, and engineered to integrate seamlessly with compatible aluminum railing and fence systems. It is ideal for decks, balconies, stairs, steps, perimeter fencing, and elevated platforms where strength, stability, and appearance all matter.
What’s Included
- 3 in. square aluminum post with flat welded base and pyramid post cap
- Pre-welded base plate for surface mounting
- Color-matched mounting hardware
(Includes (4) through-bolts with T-nuts and (4) concrete wedge bolts) - Durable powder-coated aluminum finish
- Compatible with aluminum railing and fence systems
Additional Information
- Post is a physical 3 in. square, post is welded in a center mount to a 5×5 in. square base plate (fits the low profile base cover)
- For stair applications – use the next size up post for middle and lower stair posts. (Example: 12 ft, stair run with 36 in. railing – top post on deck is 38 in., middle post on stair tread is 44 in., and the lower post on concrete pad or stair tread is 44 in.)
- Designed to be used with all our railing systems: aluminum 1 in. square baluster railing kits, glass slat railing, glass panel railing, fence, in-line post for cable railing, and our ADA railing systems. (Do not use as a terminal anchoring post for cable railing, instead use our 3 in. square terminal post with the .1875 wall thickness – click here for details)
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