6x6 Post Bases

Carly Pace
8 min readJun 18, 2024


Introducing the 6x6 Post Base — a versatile and reliable solution for all your heavy-duty fencing needs. In this article, we bring you a comprehensive roundup of the top 6x6 Post Bases on the market. Whether you’re a professional contractor or a DIY enthusiast, you’ll find the perfect 6x6 Post Base to suit your project requirements right here.

The Top 5 Best 6x6 Post Bases

  1. Simpson Strong-Tie ABW66RZ Concrete Post Base for Decks and Patio Covers — Attach posts securely with the versatile ABW66RZ ABW Post Base, featuring adjustability, maximum uplift performance, and a 2.5cm standoff to prevent rot.
  2. Simpson 6x6 Galvanized Post Bracket — Elevate your construction projects’ stability and durability with the Simpson CB66R 6x6 Rough Column Base — G90 Galvanized, available in cast-in-place or wet-set options for maximum performance and longevity.
  3. OZCO 52108 Ironwood Lite 6x6 Post Base — Secure and Durable Support — Experience durability and elegance with OZCO’s OWT-Lite 6x6 Post Base — an affordable, modern solution for pergolas, decks, and more.
  4. Simpson Zmax 6x6 Adjustable Post Brackets — The Simpson ABA66Z Zmax Gal 6x6 Adj Post Base offers sturdy support, ease of adjustment, and durable materials for a polished, low-maintenance finishing touch to your outdoor structure.
  5. Simpson Strong Tie APBDW66 Outdoor Accents Mission Collection Decorative Post Base Cover for 6x6 Post — Upgrade your outdoor living space with Simpson Strong Tie’s 6x6 Post Base Cover from the Mission Collection, featuring a four-piece cover for seamless assembly and a sleek black composite plastic design to enhance your project’s visual appeal.

As an Amazon Affiliate™, I receive compensation from qualified purchases at no cost to you.


Simpson Strong-Tie ABW66RZ Concrete Post Base for Decks and Patio Covers

The Simpson Strong-Tie ABW66RZ ABW Post Base is a versatile and cost-effective solution to secure your posts or columns for decks and patio covers. It’s incredibly easy to use and has a 2.5cm standoff that prevents rot at the post end due to moisture exposure.

The slotted design provides flexibility in anchor bolt adjustments, ensuring perfect post placement. Made for attaching to existing hardened concrete, wet concrete, or wood, this base is available in a full-size 6x6 option, ensuring maximum uplift performance. The connector finish is galvanized G185, making it compatible with wood-to-concrete applications and suitable for a range of projects.

Simpson 6x6 Galvanized Post Bracket

The Simpson CB66R 6x6 Column Base is a galvanized steel column connector that offers strength and stability for any construction project. Designed with heavy-gauge steel, this base ensures long-lasting performance and durability.

Its versatility allows for the use of posts or columns in all types of projects, including large structures that require high structural values. However, it should be noted that the galvanized finish is not paintable or stainable.

Overall, the Simpson CB66R is a sturdy and reliable choice for anyone in need of a reliable column base for their construction endeavors.

OZCO 52108 Ironwood Lite 6x6 Post Base — Secure and Durable Support

The OZCO Ironwood Lite 6x6 Post Base is a versatile and sturdy option for various outdoor structures like decks, pavilions, and railings. Crafted from high-quality galvanized steel with a sleek black powder coating, the 3/16-inch thick plates offer a protective layer against harsh weather conditions. This base is designed specifically for standard installations, featuring hardware to securely attach it to the post.

With its elevated design, wood posts remain safe from ground contact, providing an added layer of protection against rotting or decay. Ideal for use with non-rot-resistant lumber, the OZCO Ironwood Lite 6x6 Post Base is an excellent addition to any outdoor setting.

Simpson Zmax 6x6 Adjustable Post Brackets

The Simpson ABA66Z Zmax Gal is a versatile 14-gauge steel post base designed for use in decks, patio covers, and other top-supported structures. Its slotted design allows for easy adjustment, and it features a 1" standoff height to prevent rot and moisture damage at the post end. Made from polyester and polypropylene, it offers a durable and weather-resistant solution for securing posts in concrete.

Users praise the Simpson ABA66Z Zmax Gal for its sturdy construction and ease of installation. The adjustable design is a major plus, allowing for flexible post alignment during installation. However, some users have noted that the anchor rod for these post bases is not always included in the package, which may cause a slight inconvenience.

Overall, the Simpson ABA66Z Zmax Gal post base is a reliable and durable choice for securing posts in concrete, thanks to its adjustable design, moisture protection, and finished hardware appearance. While the anchor rod issue may cause some frustration, the benefits of this post base outweigh the minor inconvenience for most users.

Simpson Strong Tie APBDW66 Outdoor Accents Mission Collection Decorative Post Base Cover for 6x6 Post

I recently gave my outdoor living space a much-needed upgrade, and one of the things I needed was a decorative post base cover. I settled for the Simpson Strong Tie Outdoor Accents Mission Collection Decorative Post Base Cover for 6x6 Post. Let me tell you, this little gem not only added a touch of charm to my patio but also did a decent job at hiding the ugly post base.

Now, let’s talk about the pros. The cover is made from black composite plastic, which gave it a sturdy and long-lasting feel. It fits a nominal 6x6 post base, so no need to worry about any compatibility issues. Plus, the four-piece cover easily screws together outside the post base, making it a breeze to assemble.

However, there was one caveat. It didn’t quite fit tight to the post like I wanted. Despite having screws included, I noticed there was still some wobbling. But overall, it was an excellent addition to my outdoor living space, and I would recommend it to anyone looking to add a touch of elegance to their patio.

Buyer’s Guide

When it comes to installing fence posts, the choice of base is crucial. One popular option is the 6x6 post base, which offers strength and stability. In this buyer’s guide, we will discuss the essential features, considerations, and advice for selecting the right 6x6 post base for your needs.


The material of the post base plays a significant role in its durability and resistance to weather conditions. Common materials for 6x6 post bases include wood, plastic, and metal. Wooden bases may rot over time, while plastic bases can warp due to heat. Metal bases, on the other hand, are generally sturdy and resistant to weather, making them a popular choice for outdoor installations.

Size and Capacity

The size of the 6x6 post base should match the diameter of the fence post it will support. Consider the weight and size of the fence you are installing, as well as the soil composition in your location. A larger, more robust base will provide better stability, especially in challenging soil conditions such as sand or loose soil.

Ease of Installation

An important aspect to consider when purchasing a 6x6 post base is its ease of installation. Look for bases that can be easily adjusted and locked into place, ensuring that the fence post remains level and secure. Some bases may require additional tools for installation, while others may have built-in features for ease of use.

Environmental Impact and Maintenance

Environmental impact and maintenance should also be taken into account when choosing a 6x6 post base. Consider the environmental impact of the materials used and whether the base is recyclable or biodegradable. Additionally, think about the maintenance requirements, as some materials may require more frequent upkeep or waterproofing.


6x6 Post Base: Unveiling Its Crucial Role in Post Construction!

A 6x6 Post Base serves as a solid foundation for the development of wooden posts, fence panels, and gates. This essential component ensures stability and support to the structure, and it can be utilized in both domestic and commercial spaces. Normally crafted from materials such as PVC, steel, or aluminum, the base guarantees a robust and long-lasting foundation for your fencing needs.

The 6 in the name denotes the diameter of the post in inches, while the 6 represents the height of the base in inches. Furthermore, the construction of post bases can feature specific spacer rings to accommodate posts with varying thicknesses. These spacer rings increase the overall stability of the structure, reinforcing the 6x6’s significance in the fencing construction process.

Different Types of 6x6 Post Bases: Exploring Your Fencing Options!

There is a plethora of 6x6 Post Bases available on the market, categorized into the following types: Plastic (PVC) Post Bases, Steel Post Bases, and Aluminum Post Bases. Each type possesses unique characteristics, benefits, and drawbacks. PVC post bases, for example, are lightweight and budget-friendly, while steel and aluminum post bases are known for their durability and strength.

Your choice of post base type depends on factors such as the purpose of the fence, the construction requirements, and the environment in which it will be located. For instance, in coastal areas or near bodies of water, an aluminum post base is preferred due to its corrosion resistance. Alternatively, steel post bases may be the better option for high-traffic areas or fences requiring higher structural integrity.

6x6 Post Base Installation: A Comprehensive Guide!

The installation process of a 6x6 Post Base typically involves the following steps. Please consult the manufacturer’s specific installation instructions for a more detailed guide:

  • Prepare the ground by clearing grass and weeds or stabilizing the soil.
  • Dig a hole slightly larger than the size of the post base, focusing on proper drainage and stability.
  • Align and level the post base at the bottom of the hole.
  • Add cement or concrete for enhanced durability and security, if necessary, let it cure before proceeding.
  • Slide the post into the post base, ensuring spacer rings fit if required.
  • Secure the post to the base using suitable hardware such as screws or bolts and washers.
  • Check for stability and level the structure. Fill any gaps between the post and the ground with gravel or soil to prevent movement caused by weather conditions.

Adapting 6x6 Post Bases for Fence Posts of Different Thicknesses: The Easy Solution!

Yes, a 6x6 Post Base can accommodate fence posts with varying thicknesses by employing spacer rings provided with the post base. These spacer rings easily slide onto the post and achieve proper installation while also ensuring the fence post remains centered within the base. Consequently, spacer rings offer a cost-effective and time-saving solution for handling posts with different diameters.

6x6 Post Bases Lifespan: The Impact of Material, Environment, and Care!

The lifespan of a 6x6 Post Base may vary depending on the materials used, environmental conditions, and maintenance carried out. In general, PVC post bases have a longer lifespan due to their resistance to decay and moisture. They can last up to 30 years or more with appropriate care.

Steel and aluminum post bases may experience a shorter lifespan in high-moisture environments or areas prone to corrosion. Adding a protective coating or paint to steel post bases can prolong their life, although they may still be affected by corrosion in specific settings. Aluminum post bases have greater resistance to corrosion but may still encounter performance problems due to extreme weather conditions. Regularly inspecting and maintaining the post base helps maximize its lifespan.

6x6 Post Bases: Repairing Damaged Post Bases!

Absolutely, 6x6 Post Bases can typically be repaired if damaged. The extent of repair will depend on the nature and severity of the damage. For minor scratches and dents, these post bases can often be smoothed out and restored with touch-up paint or filler. However, if the base is significantly damaged or structurally compromised, it may be necessary to replace the damaged post base with a new one.

For structural integrity repairs, consulting the manufacturer’s guidelines or contacting their support team is essential. They will provide guidance on the appropriate repair method or offer a replacement if needed. Additionally, regular inspections and maintenance of the post base can help identify and address issues before they become more involved, ultimately prolonging its lifespan.

As an Amazon Affiliate™, I receive compensation from qualified purchases at no cost to you.