Posts and accessories
Heavy-duty 3x3 in. square aluminum post, 12 ft. long with a .090" wall and black finish. Made from 6063-T6 aluminum for pedestrian gates, sliding gates and fence installations that need a sturdy post.
$203.00
HD Aluminum Post System
Strong and durable aluminum post designed for fencing, gates, and outdoor structures, offering corrosion resistance and a clean modern appearance.
The HD Aluminum Post is built for projects that require strength, stability, and long-term performance. Manufactured from 6063-T6 aluminum, it provides a solid structural solution while remaining lightweight and easy to handle.
Its black coated finish delivers a modern look while adding protection against weather exposure. Designed for both residential and commercial use, this post supports fencing systems, gates, and architectural installations.
Engineered for outdoor conditions, it resists rust, corrosion, and environmental wear, making it a dependable choice for long-lasting installations.
Material
6063-T6 Aluminum
Size
3 × 3 in. × 12 ft.
Finish
Black
Benefits
Built from 6063-T6 aluminum for reliable structural performance.
Designed to withstand moisture and outdoor exposure without rusting.
Clean appearance that enhances contemporary designs.
Simplifies transport and installation compared to heavier materials.
Suitable for fencing, gates, pergolas, and structural systems.
No need for painting or sealing over time.
Installation
Plan the layout and mark post locations according to the design.
Dig holes deep enough to support the structure and local requirements.
Position the post and ensure it is level and properly aligned.
Secure the post by pouring concrete around the base.
Allow the concrete to set fully for stability.
Attach panels, gates, or additional components.
Perform a final inspection to confirm alignment and finish.
Tip: Use post caps or covers to protect the top and maintain a clean finished appearance.
Why Choose Our Product
This aluminum post is engineered for durability, ease of installation, and consistent performance. Its high-grade material ensures long-term strength while resisting environmental damage.
The modern finish enhances the overall appearance of any project, while the lightweight design allows for efficient installation without compromising structural integrity.
Trusted by professionals and suitable for a wide range of applications, this post provides a reliable and cost-effective solution for strong, long-lasting fencing and structural systems.
Questions
It is made from 6063-T6 aluminum, known for its strength, durability, and corrosion resistance.
Yes, the coated finish is designed to withstand outdoor conditions without fading or peeling easily.
Yes, its heavy-duty construction and .0120 wall thickness provide reliable support for most applications.
No, aluminum requires very little maintenance, just occasional cleaning.
Yes, aluminum is highly resistant to salt and moisture, making it ideal for coastal areas.
Yes, with basic tools and proper preparation, DIY installation is possible. However, professional installation is recommended for larger projects.
Watch
Installation, product and factory videos from Aluglobus Aluminum Systems.
Specifications
Check sizes, material and configuration against your project before ordering.
Complete the system
Square aluminum posts (2×2, 3×3, 3.15 and 4×4 in.) with C-channel kits, C-channel and channel-cover spacers, press caps and base plates, as used on the Aluglobus fence kits and gates.
Choose the post size and wall thickness for the job (light duty or HD).
Match the cap to the post size (2, 3, 3.15 or 4 in.).
Add C-channel kits for each post face that holds slats, and the spacers that set the gap.
Decide between posts set in concrete and base plates (anchors sold separately).
Confirm color and lengths before ordering.
Ready when you are
Order online or send your project details for a factory-direct quote.
Limited Promotional Inventory
CONTRACTORS ONLY
Send us your information and our team will help you check available woodgrain colors, profiles and current promotional inventory.
Factory-direct pricing. Contractor-ready systems. Limited-time promo.
No stacking with other discounts.
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