Aluminum systems
3.15" x 3.15" light-duty aluminum square post, 11 ft. long with a .080" wall and black finish. Built for residential fencing, wall toppers, privacy screens and decorative enclosures that don't need a heavy structural post.
$128.80
Light Duty Square Post
Lightweight and durable aluminum post designed for light-duty fencing, privacy screens, decorative enclosures, and similar outdoor applications. Its black finish provides a clean, modern appearance while the aluminum construction offers dependable outdoor performance.
Made from aluminum, this post will not rust and is suitable for outdoor use in sunny, wet, humid, and coastal environments. The black finish gives the post a clean, modern appearance and helps create a consistent look across the fence or enclosure.
This light-duty post is ideal for projects that do not require a heavy structural post, making it a practical option for standard fence sections, privacy screens, and decorative aluminum systems.
Post size
3.15″ x 3.15″
Length
11 ft.
Wall thickness
.080″
Finish
Black
Why it works
Designed for standard residential fencing, decorative panels, privacy screens, and non-heavy-duty applications.
Made from aluminum with a .080″ wall thickness for reliable everyday use.
Suitable for outdoor environments, including wet, humid, and coastal areas.
Creates a clean and consistent appearance across the fence or enclosure.
Easier to transport, position, and install than heavier post options.
Provides flexibility for different fence heights and installation requirements.
Aluminum will not rot, warp, or require regular sealing.
Installation
Measure and mark the location of each post.
Dig post holes according to the project requirements and local installation guidelines.
Place the post inside the hole and confirm that it is level and properly aligned.
Secure the post with concrete and allow it to cure completely.
Attach the compatible fence panels, slats, brackets, or enclosure components.
Check the complete fence line and make any necessary alignment adjustments.
Tip: Complete the installation with a compatible 3.15″ aluminum post cap to protect the post opening and create a finished appearance.
The 3.15″ x 3.15″ Light Duty Square Post is a practical solution for projects that need dependable support without the weight or thickness of a heavy-duty structural post.
Its .080″ aluminum construction makes it lightweight and easy to install, while its black finish complements modern aluminum fencing, privacy screens, and decorative outdoor systems.
Unlike wood or steel, aluminum will not rot or rust. This makes the post a dependable, low-maintenance choice for residential and light-duty outdoor applications.
It is made from 6063-T6 aluminum, known for its strength and corrosion resistance.
Yes, the finish is designed to resist fading, peeling, and weather damage.
It is ideal for fencing, gates, railings, pergolas, and other outdoor structures.
Minimal maintenance is needed, just occasional cleaning.
Yes, aluminum is resistant to salt and moisture, making it suitable for coastal environments.
Yes, it can be installed by DIY users, though professional installation is recommended for larger projects.
Material & finish
3.15×3.15 in. Light Duty Square post 11 ft. (.080 Thickness) – Black is made from aluminum 6063-t6, finished with AAMA 2604 powder coat, Black.
6063-T6 is an architectural aluminum alloy made for extruded profiles. It gives clean, consistent shapes and takes a powder coating evenly, which is why it is widely used for fences, gates and other exterior building products.
AAMA 2604 is the American Architectural Manufacturers Association specification for high-performance organic coatings, powder coatings included, on aluminum extrusions. It sets test requirements for outdoor color and gloss retention, chalking and corrosion resistance.
Material
Aluminum 6063-T6
AAMA 2604 powder coat, Black
.080 in.
Where it is used
Listed use: Fence and wall topper; optional pedestrian gate post.
Ordering
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.
Valid on qualifying projects only. Minimum project value required. Restrictions may apply.
Factory-direct pricing. Contractor-ready systems. Limited-time promo.
No stacking with other discounts.
Discover all our aluminum fences, gates, and cladding with full specifications and pricing. Enter your email below, and we’ll send the complete magazine straight to your inbox.
Log in