The Concrete-In U Post Support 4" (100mm) Galvanised is a heavy-duty steel fixing designed to provide secure in-ground anchoring for 100mm timber fence posts. Featuring a U-shaped cradle and extended leg for embedding into concrete, this support delivers strong structural stability for fencing and garden structures.
Manufactured from durable steel and hot-dip galvanised for enhanced corrosion resistance, this post support is suitable for long-term external use in demanding outdoor environments.
Key Features
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Suitable for 4" (100mm) timber posts
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U-shaped post cradle design
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Concrete-in extended leg fixing
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Heavy-duty steel construction
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Galvanised finish for corrosion resistance
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Provides strong in-ground anchorage
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Designed for structural fencing applications
Typical Applications
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Closeboard and panel fencing systems
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Garden boundary installations
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Gate post support
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Pergolas and timber frameworks
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Structural landscaping projects
Performance & Installation
The extended leg section is designed to be set directly into a concrete foundation, creating a firm and permanent anchor point below ground level. The U-shaped cradle securely holds the timber post above ground, helping to reduce direct contact with soil moisture and prolonging the life of the timber.
For optimal performance, install into a suitably sized concrete footing and ensure correct alignment before the concrete sets. Once cured, the support provides reliable resistance to lateral movement and wind load.
Technical Specification
Product Type: Concrete-In U Post Support
Post Compatibility: 4" (100mm) Timber Posts
Material: Steel
Finish: Galvanised
Fixing Type: In-Ground Concrete Set
Application: Fence & Structural Post Installation
Use Class: External – Heavy-Duty Post Support
Supply Format: Sold Individually
Pack Size: Bulk quantities available on request
Why Choose the Concrete-In U Post Support 4" 100mm Galvanised?
The 4" (100mm) Galvanised Concrete-In U Post Support provides a strong and durable solution for securely anchoring timber posts in ground. Its galvanised steel construction ensures long-lasting corrosion resistance, while the raised cradle design helps protect timber from ground moisture, making it ideal for fencing and structural landscaping installations.