3×3 Post Support Bolt Down | Secure Surface-Mounted Fixing for Timber Posts
The 3×3 Post Support Bolt Down is a practical and reliable fixing solution designed for securing 3×3 timber posts to solid surfaces such as concrete bases, paving, or masonry. Ideal for situations where posts cannot be set directly into the ground, this bolt-down post support provides a strong and tidy method of installation while helping extend the lifespan of the timber.
Bolt-down post supports are widely used in fencing, decking, pergolas, and garden structure projects where a clean finish and solid fixing are required without disturbing existing surfaces.
What Is a 3×3 Bolt Down Post Support Used For?
A 3×3 post support bolt down is used to securely fix a 3×3 timber post onto a solid surface. Instead of setting the post into the ground, the support is bolted down using suitable fixings, and the timber post is then secured within the support.
This method is particularly useful for projects built on existing concrete pads, patios, or hardstanding areas where digging post holes is not possible or desirable.
Common uses include fencing panels, picket fencing, decking supports, pergolas, garden screens, and decorative garden structures.
Bolt Down Design Explained
The bolt-down post support features a flat base plate with pre-drilled holes for fixing bolts or anchor fixings. This allows the support to be securely fastened to concrete or masonry, creating a stable foundation for the timber post.
The vertical sides of the support are designed to accept a standard 3×3 timber post, holding it firmly in place once fixed. This design keeps the base of the timber post raised slightly above ground level, helping reduce moisture exposure and the risk of rot.
Benefits of Using Bolt Down Post Supports
One of the main benefits of using a bolt-down post support is the ability to fix posts securely without ground excavation. This saves time, reduces mess, and makes installation more straightforward, particularly on hard surfaces.
Raising the timber post off the ground also helps improve durability by preventing direct contact with moisture. This can significantly extend the lifespan of the post compared to posts set directly into soil.
Bolt-down supports also allow for easier post replacement in the future, as the timber post can be removed without disturbing the base.
Suitable Applications
The 3×3 post support bolt down is suitable for a wide range of outdoor applications, including fencing, decking frameworks, pergolas, garden screens, and lightweight garden structures.
It is particularly well suited to low-level fencing, decorative fencing, and garden features where appearance and neat installation are important.
This post support is commonly used in domestic garden projects but is equally suitable for trade and professional installations.
Installation Considerations
Correct installation is essential to ensure the best performance from a bolt-down post support. The support should be fixed to a sound, level surface using appropriate bolts or anchor fixings suitable for the base material.
Once the support is securely bolted down, the 3×3 timber post can be inserted and fixed in place using suitable screws or bolts through the side holes provided.
Care should be taken to ensure the post is installed plumb and square before fully tightening fixings, as this will affect the alignment of fencing or structures attached to it.
Compatibility with Timber Posts
The 3×3 post support bolt down is designed to accept standard 3×3 timber posts. Using treated timber posts suitable for outdoor use is recommended to ensure long-term performance.
When combined with pressure-treated timber, bolt-down post supports provide a durable and reliable solution for garden and landscaping projects.
Why Choose a Bolt Down Post Support?
Bolt-down post supports are chosen for their convenience, strength, and clean finish. They provide a secure fixing method without the need for digging or concrete setting, making them ideal for retrofit projects or installations on existing hard surfaces.
They also offer flexibility, allowing posts to be removed or replaced in the future without major disruption.
Supplied for Domestic and Trade Use
The 3×3 Post Support Bolt Down is suitable for both domestic customers and trade professionals. Its simple design, ease of installation, and reliable performance make it a popular choice for a wide range of fencing and garden projects.
If you’re looking for a practical and durable way to fix 3×3 timber posts to a solid base, the 3×3 Post Support Bolt Down offers a straightforward and dependable solution.




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