RDI

Mounting Kit for RDI 4-1/4"x 4-1/4" Avalon Aluminum Post

$28.99
UPC:
040933413638
Availability:
Usually ships in 10 business days
Selected Color is
Adding to cart… The item has been added

Mounting Kit for Aluminum Post by RDI

The RDI Mounting Kit for 4-1/4" x 4-1/4" Avalon Aluminum Posts is an essential accessory designed to securely install RDI Avalon 4-1/4" aluminum post sleeves and structural porch posts. It provides the hardware and trim needed to create a strong, clean-looking connection between the post and your deck or porch surface.

Features

  • Designed for RDI 4-1/4" x 4-1/4" Avalon aluminum posts
  • Heavy-duty powder-coated aluminum construction for long-lasting durability and corrosion resistance.
  • Available in White, Matte Black, and Matte Bronze to perfectly match Avalon aluminum posts.
  • Creates a clean, professional finished appearance while providing a secure mounting point.

What's Included

Each mounting kit includes:

  • One mounting plate
  • One two-piece aluminum post skirt (trim ring)

Note: Mounting bolts or anchors are not included and should be selected based on your deck framing or concrete installation.

Ideal Applications

The mounting kit is used when installing:

  • 4-1/4" x 4-1/4" Avalon aluminum structural porch posts
  • 4-1/4" x 4-1/4" Avalon post sleeves

For 108-inch structural porch posts, you'll need two mounting kits per post—one for the top connection and one for the bottom.

Benefits

  • Provides a secure structural connection
  • Conceals the mounting hardware with a finished trim ring
  • Color-matched to Avalon posts for a seamless appearance
  • Powder-coated finish resists fading, chipping, and corrosion
  • Backed by RDI's Limited Lifetime Warranty.

Product Description

Complete your Avalon aluminum post installation with the RDI Mounting Kit for 4-1/4" x 4-1/4" Posts. Engineered specifically for Avalon structural porch posts and post sleeves, this kit includes a heavy-duty mounting plate and a two-piece aluminum trim ring that delivers both structural support and a polished, professional finish. Available in White, Matte Black, and Matte Bronze, the mounting kit is designed to perfectly coordinate with Avalon aluminum posts, making it the ideal finishing touch for decks, porches, and outdoor living spaces. Whether you're installing a decorative post sleeve or a load-bearing porch post, this mounting kit provides the strength, durability, and clean appearance needed for a premium installation.

DETAILS: 

  • Three colors to choose from: white, matte black, and matte bronze

    • rdi-avalon-3-colors-01.png

Material: powder coated aluminum

SPECS:

rdi-base-trim-.png

rdi-aluminum-post-skirt.png

WHAT’S INCLUDED:

  • Two-piece post skirt (1)
  • Mounting plate (1)

More details:

Two mounting kits needed when installing porch posts
    • *one kit on top, one on bottom

Not included:

  • Mounting bolts

About this product…

This Mounting Kit is a base needed in order to attach RDI’s Structural Porch Posts  to your deck or porch. The kit comes in three different sleek colors, coordinating with the colors offered in the Structural Porch Posts; white, matte black, and matte bronze. These two products color-match and are made from the same material and manufacturer, ensuring cohesion throughout the pieces. The mounting kit perfectly ties in your porch post to the rest of your decking, both aesthetically and structurally. 

  • [Click HERE for Mounting Kit Installation Instructions]

Simply follow the installation instructions provided in your order. 

  • [Click HERE for WARRANTY]

Still have questions or need advice on ordering the right supplies for your project? Get in touch with Deck Expressions’ 24/7 customer service. We’re always ready to help.

Transferable Limited Lifetime Warranty Aluminum Railing Who is covered: • The limited lifetime warranty covers single-family residential properties only. This limited warranty extends to the original purchaser and one (1) individual transferee as specified herein. • A twenty (20) year limited warranty covers any other type of building or property including those owned by corporations, governmental agencies, partnerships, trusts, religious organizations, schools, condominiums, homeowner associations, cooperative housing arrangements and apartment buildings. The warranty period will be twenty (20) years following the original date of Product purchase. What is covered: Barrette Outdoor Living warrants that its aluminum railing products (“Product”) will be free from defects in material and workmanship for the warranty period. This limited warranty is valid beginning on the date of Product purchase. Barrette Outdoor Living warrants the Product against peeling, flaking, rotting, chipping, cracking, blistering, splintering, corrosion and rusting, structural damage due to weather influences, or abnormal discoloration/fading* under normal atmosphere and weather conditions; fungal decay or wood boring insects.

Related Products