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5 Pack Concrete-In U Post Support Brackets | Heavy-Duty Bulk Buy Special Offer

Secure your next structural timber project while protecting your budget with our Special Offer Bulk Buy: 5-Pack Heavy-Duty Concrete-In U-Post Support Brackets. Specifically manufactured for fencing contractors, landscape developers, and serious DIYers, this trade-pack bundle provides ultimate structural anchoring for five timber posts. It is the perfect choice for high-load installations like closeboard fencing, heavy pergolas, timber carports, and decking frameworks.

Each bracket features a heavy-gauge steel U-shaped shoe welded to a ribbed concrete-reinforcing rebar stem. Designed to be set directly into wet concrete mix, these anchors create a permanent, rock-solid ground connection. The entire assembly is hot-dip galvanized to form an impenetrable barrier against moisture, preventing your timber posts from rotting in the soil and ensuring your structures stand straight against harsh weather.

  • Instant Multi-Pack Savings: Buy in bulk to significantly lower your cost-per-post compared to buying individual brackets.

  • Permanent Concrete Anchoring: The ribbed rebar stem creates a high-friction mechanical bond with concrete, completely eliminating post wobble or lifting.

  • Moisture Protection Gap: Elevates your wooden posts cleanly above ground level, stopping groundwater absorption and preventing base rot.

  • Industrial Hot-Dip Galvanizing: Weatherproofed to industrial standards, preventing rust even when installed in highly corrosive soils or high-salinity coastal areas.

Description

Overview

The most common point of failure for any fence line, pergola, or structural timber frame is at the ground level, where moisture rotting can destroy a 100mm wood post in just a few seasons. This Bulk Buy 5-Pack of Concrete-In U-Post Supports solves this issue by separating the wood from the wet earth. By setting the heavy-gauge steel stem into a concrete foundation pad, the load of your structure is transferred directly into the ground through clean engineering steel.

These brackets are built to handle the physical leverage forces caused by high winds hitting solid-clad fence panels. The pre-punched holes in the U-shoe provide clean alignment points for heavy-duty coach screws or timber bolts, pulling the wooden post into a tight, rigid fit that won’t loosen or sway over time.

Dimensions & Technical Product Matrix

Structural Attribute Engineering Specification
Pack Quantity 5 x Complete Brackets (Bulk Special Offer Bundle)
U-Shoe Internal Width Options Available in 75mm or 100mm (To fit standard square timber)
Material Base Heavy-Gauge Structural Carbon Steel
Surface Finish Hot-Dip Galvanized (Min 55-micron zinc coating layer)
Rebar Stem Length 200 mm to 250 mm (Deep concrete embedment depth)
U-Shoe Steel Thickness 4.0 mm Heavy-Duty Plate Steel
Fixing Hole Configuration Pre-drilled multi-hole array (Fits M8 or M10 timber fixings)
Primary Structural Load High-Load Vertical Downward & Lateral Wind Forces

Application Guide

  • Fencing Profiles: Perfect for high-stress boundary lines, closeboard bays, and acoustic privacy fencing.

  • Garden Architecture: Designed to anchor heavy timber pergolas, garden arches, log stores, and gazebos.

  • Ground Frameworks: Ideal for elevating sub-frame timber joists for raised decking systems on uneven or sloping ground.

Contractor Installation & Structural Levelling Tip

Pro Tip: When setting multiple concrete-in post brackets along a run—like a new fence line or a 4-post pergola—getting all five brackets perfectly level and aligned before the concrete cures can be stressful.

The Trade Method: Do not try to level each bracket individually in its separate hole. Instead, build a simple, straight timber dummy rail out of cheap scrap wood. Clamp all 5 of your U-post brackets into the dummy rail at your exact spacing distances (e.g., 1.8-meter centers for fencing). Prop up and level the entire dummy rail assembly across your dug holes using stakes. Once the rail is level and in line, pour your concrete into all five holes around the stems at the same time. This keeps everything in place, preventing brackets from twisting or sinking as the concrete cures. Leave the dummy rail clamped on until the concrete hardens!

Additional information

Weight 5.5 kg
Dimensions 20 × 15 × 8 cm
Size of Post

3" (75mm), 4" (100mm)

Shipping

Delivery cost applied at checkout

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