What is the Aluminum Main Post Cap used for?

It closes and finishes the open top of the Alumission Aluminum Post 3 Channel.

Which post is compatible with this cap?

This cap is designed only for the Alumission Aluminum Post 3 Channel.

Can it be used on an in-line Post 3 Channel?

Yes. It fits the Post 3 Channel when that post is configured as an in-line fence post.

Can it be used on a corner Post 3 Channel?

Yes. The same cap fits the Post 3 Channel when it is configured as a corner post.

Can it be used with the Post 2 Channels?

No. The Post 2 Channels has a different profile and uses its own matching cap.

Can it be used with the Side Post or Gate Frame?

No. Use the cap designed for the exact Alumission profile being installed.

What are the outside dimensions of the cap?

The cap measures 2-3/4″ wide by 2-3/4″ deep.

How far does the sleeve fit over the post?

The lower sleeve extends 1/2″ over the outside of the Post 3 Channel.

How high is the pointed section?

The pointed upper portion is 1/2″ high.

How is the 1″ total height divided?

It consists of a 1/2″ sleeve and a 1/2″ pointed top section.

What material is the cap made from?

It is made from 6063-T6 aluminum.

When should the cap be installed?

Install it after the post and surrounding fence installation are complete.

How is the cap secured to the post?

Use silicone or a suitable adhesive compatible with powder-coated aluminum and the installation environment.

No. The cap does not need to be secured with screws.

How should the post be prepared?

Make sure the post top is square, clean, dry, and free of burrs, dust, oil, or debris before applying silicone or adhesive.

How is the cap seated?

Align the cap with the Post 3 Channel and press the 1/2″ sleeve evenly over the post until the cap is level and fully seated.

How long should the adhesive cure?

Follow the cure time and application instructions supplied by the selected silicone or adhesive manufacturer.

What colors are available?

Available powder-coated finishes are Black, Bronze, White, Dark Gray, and Light Gray.

Will the cap match the Alumission profiles?

Yes. Select the same powder-coated color as the Post 3 Channel for a coordinated appearance.

What is included with one product quantity?

One Aluminum Main Post Cap in the selected powder-coated finish is included.

Is silicone or adhesive included?

No. Select a suitable bonding product separately for the installation conditions.

Will the aluminum cap rust?

No. Aluminum does not rust like steel.

How should the powder-coated cap be cleaned?

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

Aluminum Post Cap For 3 Channel Post in deep matte black powder-coated finish

Aluminum Main Post Cap technical drawing showing the dimensions of the pointed cap for the Alumission Post 3 Channel

Aluminum Post Cap For 3 Channel Post

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Pointed 6063-T6 aluminum cap made only for the Alumission Post 3 Channel. Measures 2-3/4″ × 2-3/4″ × 1″, with a 1/2″ sleeve and 1/2″ pointed section. Installs with silicone or adhesive—no screws required.

Price range: $17.36 through $20.31

Color

Clear

WHAT’S INCLUDED:

Box Weight

Box Dimension

TECHNICAL SPECIFICATIONS & INSTALLATION

The Aluminum Main Post Cap is a pointed 6063-T6 aluminum cap designed only for the Alumission Aluminum Post 3 Channel. It measures 2-3/4″ × 2-3/4″ with a 1″ total height.

The lower 1/2″ forms the sleeve that fits over the post, and the upper 1/2″ forms the pointed section. Install the cap after the post installation is complete using silicone or a suitable adhesive. Screws are not required.