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Aluminum Side Post

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A versatile single-channel aluminum side post for mounting and latching gates, framing small fence panels, installations between columns, and compatible railing top-rail applications.

Price range: $86.82 through $135.44

The Aluminum Side Post is a versatile single-channel structural profile for gate, fence, and railing terminations. It creates a clean mounting surface wherever a gate or panel ends against a block wall, an existing fence, a house, a column, or another properly prepared structure.

For gates, use the Side Post at the hinge side, latch side, or both sides when the opening requires aluminum mounting members. It gives hinges, latches, stops, covers, and other compatible hardware a continuous profile instead of fastening directly to an uneven surrounding surface.

The same profile is ideal for fence panels installed between columns and for short fence panels that do not need a center post. In compatible railing assemblies, it can also be installed horizontally as a top rail for a clean framed edge.

The open channel accepts the Aluminum Post Cover For Channels when the opening needs to be closed, or the Aluminum Post Cover For Glass when the channel must be reduced for suitable 1/4″ panel material. The center cavity accepts compatible 1-1/4″ × 1-1/4″ steel reinforcement for properly designed base-plate and reinforced mounting applications.

Product Highlights

  • Single-channel profile for gate hinge and latch locations
  • Creates a clean mounting member beside walls, fences, houses, and columns
  • Frames fence panels installed between columns
  • Ideal for short panels that do not require center posts
  • Can be used as a top rail in compatible railing designs
  • Accepts the Aluminum Post Cover For Channels
  • Accepts the Aluminum Post Cover For Glass for 1/4″ panel systems
  • Compatible with 1-1/4″ × 1-1/4″ internal steel reinforcement
  • 6063-T6 aluminum extrusion
  • Color-matched powder-coated finishes

Common Applications

  • Gate hinge-side mounting
  • Gate latch-side mounting
  • Gates between block walls or columns
  • Gates beside a house or existing fence
  • Fence panels between columns
  • Short fence panels without center posts
  • Compatible railing top rails
  • 1/4″ glass, acrylic, wire mesh, or aluminum sheet framing
Gate Hinge and Latch Support

A Clean Side Post for Gates Between Structures

Install the profile at the sides of a gate opening to create a consistent aluminum mounting member for the hinge and latch conditions.

Hinge Side

Use the Side Post as the prepared mounting member for compatible gate hinges and hinge-side hardware.

Latch Side

Create a straight, finished receiving side for compatible latches, stops, locks, and strike hardware.

Between Block Walls

Add aluminum mounting members between masonry columns or walls instead of relying on an uneven unfinished edge.

Beside a House or Fence

Finish the opening beside a properly prepared building wall or existing fence with a matching powder-coated profile.

Fence and Railing Framing

Finish Small Panels Without a Center Post

The single-channel geometry works especially well at panel ends and in layouts where the surrounding structure provides the main support points.

Panels Between Columns

Frame aluminum fence panels cleanly between masonry, concrete, steel, or other properly prepared columns.

Short Fence Sections

Use Side Posts at the two panel ends when the engineered span is short enough that no center post is required.

End Conditions

Create a finished termination at the end of a fence run or at a transition into another structure.

Railing Top Rail

Install the profile horizontally as a top rail when it is compatible with the complete railing layout and loading requirements.

Covers and Internal Reinforcement

Adapt the Channel and Reinforce the Center

Choose the matching channel accessory and internal support method for the gate, fence, glass, or railing application.

Close the Channel

Use the Aluminum Post Cover For Channels to finish an unused opening or conceal compatible fasteners inside the channel.

Reduce for 1/4″ Panels

Use the Aluminum Post Cover For Glass to reduce the channel for suitable 1/4″ glass, acrylic, wire mesh, or aluminum sheet.

Steel Reinforcement

The center cavity accepts compatible 1-1/4″ × 1-1/4″ steel tubing when the installation requires an internal reinforcing member.

Base-Plate Installation

Pair the selected reinforcement and base plate with a properly designed anchoring method for the supporting surface and project loads.

Included: One Aluminum Side Post in the selected length and powder-coated finish.

Sold separately: Post Cover For Channels, Post Cover For Glass, Side Post Cap, stopper, 1-1/4″ × 1-1/4″ steel reinforcement, base plate, hinges, latch or lock hardware, screws, anchors, panel material, and installation hardware.

Phone-order lengths: 10′ lengths are available by phone order only. They cannot be purchased online, and shipping charges may apply.

Technical Specifications

Aluminum Side Post

Key profile dimensions for the Alumission single-channel Side Post used in gate, fence, panel, and compatible railing applications.

Overall width
1.750″
Overall height
2.115″
Center cavity clear width
1.300″
Channel opening
0.826″
Lower section height
0.633″
Wall thickness
0.079″
Internal reinforcement
Compatible 1-1/4″ × 1-1/4″ steel tube
Compatible channel covers
Post Cover For Channels and Post Cover For Glass
Material
6063-T6 aluminum
Weight
Approximately 0.912 lb/ft
Primary applications
Gate sides, fence-panel ends, panels between columns, and compatible railing top rails
Online lengths
6′ and 8′
Phone-order length
10′
Finishes
Black, Bronze, White, Dark Grey, Light Gray

Measurement note: Dimensions are nominal. Verify the supporting structure, reinforcement, anchoring, hardware, span, and complete assembly requirements before fabrication or installation.

Questions & Answers

Aluminum Side Post Questions & Answers

Answers about gate hinge and latch mounting, panels between columns, short fence sections, railing top-rail use, channel covers, 1/4″ panel systems, steel reinforcement, dimensions, ordering, and care.

Gate Mounting & Side Conditions

What is the Aluminum Side Post mainly used for?

It is mainly used as a single-channel mounting and finishing profile at gate sides, fence-panel ends, wall-side conditions, and other one-direction terminations.

Can it be used on the hinge side of a gate?

Yes. It creates a continuous aluminum mounting member for compatible gate hinges and hinge-side hardware when the complete installation is properly anchored and supported.

Can it be used on the latch side of a gate?

Yes. It provides a straight finished side for compatible latches, stops, locks, strikes, and receiving hardware.

Can I use Side Posts on both sides of a gate opening?

Yes. One can support the hinge condition and the second can create the finished latch condition when the gate is installed between surrounding structures.

Can it be installed between block walls or columns?

Yes. Side Posts can create aluminum mounting members between masonry walls or columns. Use anchors and reinforcement suitable for the masonry and project loads.

Can it be installed beside a house or existing fence?

Yes, when the supporting structure is suitable and the post is attached with the correct anchors, reinforcement, clearances, and waterproofing details for that condition.

Fence Panels & Railing Applications

Can it be used for fence panels between columns?

Yes. It is designed to create clean single-channel panel ends between properly prepared columns or walls.

Can a small fence panel use Side Posts without a center post?

Yes, when the panel span, height, slat layout, wind exposure, anchoring, and supporting structures allow the section to be built safely without a center post.

Can it be used at the end of a fence run?

Yes. The Side Post creates a finished single-direction termination where the last fence panel ends.

Can the Side Post be used horizontally?

Yes. In compatible designs it can be installed horizontally, including as a framing member or railing top rail.

Can it be used as a railing top rail?

Yes, when it is part of a complete railing assembly designed for the required span, loading, infill, connections, and local code requirements.

Channel Covers & 1/4″ Panel Systems

How do I close an unused Side Post channel?

Use the Aluminum Post Cover For Channels to create a clean finished face over an unused compatible channel.

Can the channel cover conceal screws?

Yes. Compatible screws can be installed inside the channel and then covered with the Aluminum Post Cover For Channels.

Can the Side Post be used with glass?

Yes. Use the Aluminum Post Cover For Glass to reduce the channel for suitable 1/4″ glass and use the required companion framing profiles for the remaining panel edges.

What other 1/4″ materials can be used?

Suitable 1/4″ acrylic, wire mesh, aluminum sheet, and other compatible panel materials can be used with the correct channel-reducing and framing profiles.

Are the Post Cover For Channels and Post Cover For Glass the same?

No. The Post Cover For Channels closes or finishes the open channel. The Post Cover For Glass reduces the opening for compatible 1/4″ panel material.

Reinforcement, Dimensions, Ordering & Care

What steel reinforcement fits inside the Side Post?

The center cavity accepts compatible 1-1/4″ × 1-1/4″ steel tubing for installations that require internal reinforcement.

Can it be installed with a base plate?

Yes. A compatible steel reinforcement member can connect the Side Post to a properly designed base plate and anchoring system.

Is the steel tube or base plate included?

No. Steel reinforcement, the base plate, anchors, and related installation hardware are selected and sold separately.

What are the main profile dimensions?

The profile is 1.750″ wide and 2.115″ high, with a 1.300″ center cavity width, a 0.826″ channel opening, a 0.633″ lower section height, and a 0.079″ wall thickness.

What is included with the product?

The product includes one Aluminum Side Post in the selected length and finish. Covers, caps, stopper, reinforcement, base plate, gate hardware, anchors, and installation hardware are sold separately.

What lengths are available online?

The online length options are 6′ and 8′.

Is a 10′ length available?

Yes. The 10′ length is available by phone order only. It cannot be purchased online, and shipping charges may apply.

What colors are available?

Available finishes are Black, Bronze, White, Dark Grey, and Light Gray.

Will a cut edge rust?

No. Aluminum does not rust like steel.

How should the powder-coated finish be cleaned?

Clean with mild soap and water using a soft cloth or sponge. Avoid abrasive pads, harsh chemicals, and strong solvents.

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