Product Code: PS-MMKR6

4"x4" Recycled HDPE Post

$108.00
Usually Ships within 2-6 Weeks
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Shipping calculated at checkout.

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Our 4"x4" Recycled Plastic Post is a durable, low-maintenance solution for a wide variety of outdoor signage, landscaping, and site furnishing applications. Made from high-quality recycled HDPE plastic, this recycled plastic sign post is designed to perform in all weather conditions without rotting, splitting, warping, or decaying like traditional wood posts.

Because this outdoor recycled plastic post contains no fillers, fiberglass, or wood additives, it does not require any special preparation for below-grade installation and remains fully recyclable, even after cutting. Many recycled plastic lumber products on the market include structural fillers that make them difficult or impossible to recycle, but this solid recycled plastic posts are built for long-term performance and sustainability.

Available in both 6ft and 8ft options. 

4"x4" Recycled Plastic Sign Post

The 4"x4" Recycled Plastic Sign Post is ideal to be used as a sign mounting post, trail marking, pedestrian wayfinding, landscape timber alternative. This versatile 6' or 8' recycled plastic post offers the look and function needed for parks, communities, schools, campuses, trail systems, commercial properties, and residential landscapes.

If you need a weather-resistant, rot-proof post for outdoor use, this recycled plastic post for signs and landscaping is a smart, eco-friendly alternative to wood.

 

Handcrafted in Michigan

With over 60 years of signs manufacturing experience, we are your complete source for high quality, durable sign posts, made in the USA. Please consult with your county or local municipality for guidelines and regulations for signpost installation.

 

Specifications

  • Material:100% recycled HDPE #2 + trivial amount of colorant/UV protectant
  • Dimensions: 4"x4"x72" | 4"x4"x96" square profile
  • Length Options: 6' or 8'
  • Colors: Available in a wide varity of colors: Black, Green, Brown, Charcoal, Cedar, Weathered, Sand
  • Weight: Lightweight construction for easy handling and installation
  • Compatibility: Designed to work with standard and custom signage brackets
  • Expected lifespan: 20+ years

 

Durability and Maintenance

Clean with soap and water; no sealing or painting required!

 

Sustainability

Made from 100% recycled HDPE #2, approximately 50% postconsumer (milk jugs/laundry detergent bottles), 50% post-industrial (5-gallon buckets) *Mix will vary based on component and material availability*; contributes to LEED credits for recycled content – 1 polymer - fully recyclable at end of life

 

FAQs

What tools are needed for installation?
For installation, you’ll need standard tools such as a level, post-hole digger, and concrete anchors. We recommend burying 2 feet of the post underground for optimal stability.

Is this post suitable for all types of signs?
Absolutely! The 4"x4" Recycled Plastic Sign Post is compatible with a wide range of signs, including street signs, wayfinding markers, and custom signage.

Post Heights

Choose your post height carefully. Be sure to include enough room for all sign/lighting components, including a minimum direct burial depth of 24"-30". *Surface-mount hardware is available at more major hardware stores. 

Available in 6' or 8' lengths. 

 

Shipping

Posts over 8 ft long ship via a LTL Freight Carrier. Order quantities of more than 4 posts will ship on a skid. Order quantities 4 posts or less will ship packaged in a bundle. Shipment costs are emailed to you within 1 business day of purchase. Please be aware that LTL Freight Shipping costs can range from $250-$850+ depending on the delivery location as well as the size, weight and number of packages.

Product Specs

  • 4" x 4" Outer Dimensions
  • 100% recycled HDPE #2 + a trivial amount of colorant/UV protectant
  • 72" or 96" lengths
  • Signs not included

Download our Sign Post Installation Guide (PDF) → 

Installing your 4"x4" Recycled HDPE Post is straightforward. Here’s what you need to know:

  • Tools Required: Standard installation tools such as a level, wrench, and concrete anchors.

Please consult with your county or local municipality for guidelines and regulations for signpost installation.

Applications

The 4"x4" Square Aluminum Sign Post is perfect for a wide range of applications, including:

  • Municipal Streetscapes: Ideal for stop signs, yield signs, and other regulatory signage.
  • Residential Neighborhoods: Perfect for enhancing curb appeal with sleek address markers or community signs.
  • Commercial Properties: A modern solution for business park signage or directional wayfinding.
  • Parks and Recreation Areas: Durable enough for trail markers, parking signs, and informational displays.

Key Features

Explore the standout features of the 4"x4" Recycled HDPE Sign Post, designed to combine modern aesthetics, exceptional durability, and versatile functionality for all your signage needs.

  • Made in the USA: High-quality, durable products allow neighborhoods to create a distinguished, uniform look throughout their development
  • Clean Aesthetic: The square profile offers a contemporary look that complements modern settings.
  • Corrosion Resistance: Resists rot, splinters, insect damage, UV rays, heat, rain, salt, and snow.
  • Customizable Lengths: Available in both 6' and 8' lengths to suit your specific project needs.
  • Color Options: Available in a wide varity of colors : Black, Green, Brown, Charcoal, Cedar, Weathered, Sand.
  • Versatile Compatibility: Works seamlessly with a variety of signage types and brackets. If surface mounting is needed for your project, please visit your local hardware store for 4x4 surface-mount post hardware. 
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