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Redwood Treated Fence Post 125mm x 100mm x 2.4 m Blank – Heavy Duty Timber Fencing

Engineered for high-stress boundary applications, our Redwood Treated Fence Post (125mm x 100mm x 2.4m) Blank provides a massive structural upgrade over standard 4×4 posts. Milled from slow-grown, high-density European Redwood (Pinus sylvestris), this heavy-duty rectangular “blank” post features smooth, unnotched faces. It gives you absolute on-site flexibility to mount horizontal rails or structural brackets exactly where your layout demands. Pressure-treated to UC4 ground-contact specifications, it offers maximum resistance against structural rot, wood-boring insects, and wet-earth breakdown.

  • Massive 125x100mm (5″ x 4″) Cross-Section: Increased structural mass easily withstands high wind-loads, heavy closeboard framing, and large pedestrian gates.

  • Unnotched “Blank” Profile: Free from pre-cut recesses or mortises, making it ideal for continuous bespoke closeboard runs, corner configurations, and custom bracketry.

  • UC4 Tanalith-E Pressure Treatment: Deep-penetrating preservative defense engineered for direct, permanent sub-surface embedding in damp soil or concrete.

  • Slow-Grown European Redwood: Superior grain density drastically minimizes twisting, bowing, and structural checking under extreme seasonal weathering.

  • Collection / Delivery allow 3-5 days

Description

Redwood Treated Fence Post 125mm x 100mm x 2.4 m Blank – Heavy Duty Timber Fencing

Overview

In high-exposure wind tunnels or when supporting heavy, solid-board wooden fencing, standard square posts can bow under dynamic load forces. Our 125mm x 100mm (5″ x 4″) Blank Redwood Post provides the offset engineering stability required for demanding landscapes. By positioning the wider 125mm face perpendicular to your fence line, the post acts as a rigid structural beam that completely resists the lateral “sail-force” leverage generated by seasonal storms.

Because this is a completely blank, unnotched post, it is highly favored by professional contractors and fencing specialists. You aren’t locked into fixed panel heights or pre-routed positions. Instead, you can comfortably stagger your rails across undulating terrain, frame up uneven boundary corners, or seamlessly mount heavy-duty gate hinges. Its open cell matrix absorbs preservative chemicals deep into the heartwood core, ensuring your structural anchors won’t snap at ground level.

Key Features

  • Directional Stability Upgrades: Rectangular profile provides targeted structural resistance against heavy forward and backward wind pressures.

  • Bespoke Adaptability: The unnotched finish makes it incredibly versatile—easily convert it into a corner post, a robust end post, or a heavy-duty side gate anchor on-site.

  • Anti-Bleed Protection: Advanced industrial treatment processes ensure the anti-rot chemical seal bonds perfectly with the wood fibers, eliminating ugly chemical bleeding.

  • Natural Weathering Hue: The subtle pale-green preservative tint gently matures over time into a silver-grey weathered tone, which readily accepts exterior timber stains or oils.

Technical Specifications

Attribute Specification
Product Type Heavy-Duty Sawn Blank (Unnotched) Fencing Post
Timber Species Premium European Redwood (Pinus sylvestris)
Dimensions 125mm x 100mm (Nominal 5″ x 4″)
Length 2.4 Metres (Nominal 8 feet)
Treatment Grade UC4 (User Class 4) – Formulated for Permanent Ground Contact
Preservative Type Tanalith-E (Or equivalent eco-friendly copper triazole)
Suitability High-Exposure Closeboard Fencing, Heavy Pedestrian Gates, Corner & End Anchors

Trade Installation & Sizing Tip

Pro Tip: To maximize the high wind-resistance of this rectangular post, always install it with the wider 125mm face pointing down the line of the fence (perpendicular to the panels). This alignment uses the post’s maximum structural depth to fight wind leverage.

Critical End-Grain Rule: To build a stable 1.8m high boundary, set this 2.4m post roughly 600mm deep into a 300mm wide hole filled with rapid-setting Postcrete. If you cut the top of the post to form a weather-shedding slope or point, you must apply an end-grain preservative fluid to the raw wood fibers immediately. Always keep the uncut factory end at the bottom of the hole to protect the base from underground rot.

Additional information

Weight 500 kg
Shipping

Delivery cost applied at checkout

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