What is the Aluminum Main Post Flat Cap used for?

It closes and finishes an open end of the Alumission Aluminum Post 3 Channel with a flat plate.

Which post is compatible with this cap?

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

Can it be installed on top of the post?

Yes. It can be fastened to the top end of the Post 3 Channel.

Can it be installed on the bottom of the post?

Yes. It can also close the bottom end of the Post 3 Channel when required by the project.

Can it be used with the Post 2 Channels, Side Post, or Gate Frame?

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

What are the cap dimensions?

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

How thick is the cap?

The aluminum plate is 1/16″ thick.

What material is the cap made from?

It is made from 6061-T6 aluminum.

Does this cap have a sleeve?

No. This is a flat plate-style cap without the sleeve or pointed section found on other cap designs.

Does the cap add significant height to the post?

No. Its flat 1/16″ plate creates a low-profile finish.

How is the cap attached?

Attach it directly to the Aluminum Post 3 Channel using #8 screws or aluminum rivets.

Yes. Suitable #8 screws are an approved fastening option for this cap.

Can I use aluminum rivets?

Yes. Aluminum rivets may be used instead of #8 screws.

Is silicone or adhesive the primary attachment method?

No. This flat cap is designed to be mechanically attached with #8 screws or aluminum rivets.

How should the post end be prepared?

Make sure the end is square, clean, aligned, and free of burrs before positioning and fastening the cap.

What colors are available?

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

Will the cap match Alumission profiles?

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

How many caps are needed for one post?

One cap closes one end. Order two caps if both the top and bottom ends of the post will be covered.

Are #8 screws or rivets included?

No. #8 screws and aluminum rivets are sold separately.

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 Main Post Flat Cap technical drawing showing the dimensions of the 2-3/4 inch square cap for the Alumission Post 3 Channel

Aluminum Flat Cap For 3 Channel Post

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Flat 6061-T6 aluminum cap made only for the Alumission Post 3 Channel. Measures 2-3/4″ × 2-3/4″ × 1/16″ and installs on the top or bottom using #8 screws or aluminum rivets.

Price range: $13.98 through $16.35

Color

Clear

WHAT’S INCLUDED:

Box Weight

Box Dimension

TECHNICAL SPECIFICATIONS & INSTALLATION

The Aluminum Main Post Flat Cap is a 6061-T6 aluminum finishing plate designed only for the Alumission Aluminum Post 3 Channel. It measures 2-3/4″ × 2-3/4″ and is 1/16″ thick.

Use it on the top or bottom end of the post and secure it with #8 screws or aluminum rivets.