450mm x 100mm x 100mm Deck Support Post

The 450mm x 100mm x 100mm Deck Support Post is a compact and durable precast concrete foundation solution designed to provide stable support for timber decking and garden structures. Ideal for low-level decking projects, this shorter post offers dependable ground anchoring while helping to protect timber uprights from direct soil contact.

With a 100mm x 100mm square profile and a 450mm overall length, this deck support post is suited to installations where reduced embedment depth is required. Its solid concrete construction delivers long-lasting resistance to moisture, ground movement and external weather conditions.

Key Features

• Solid precast concrete construction

• 450mm overall length

• 100mm x 100mm square profile

• Designed for low-level decking and timber supports

• Helps protect timber posts from ground moisture

• Weather resistant and low maintenance

• Suitable for residential outdoor projects

Typical Applications

• Low-height timber decking

• Garden platforms and seating areas

• Pergolas and lightweight garden structures

• Shed and small outbuilding supports

• Landscaping and timber framework projects

Performance & Installation

The 100mm square section provides reliable load-bearing support for decking uprights and timber posts. When installed into a prepared footing, it offers firm structural reinforcement and reduces the risk of timber deterioration caused by prolonged soil contact.

For installation, the post should be positioned vertically within a suitable excavation and secured with concrete or compacted base material as required by ground conditions and load demands. Correct alignment ensures long-term structural stability.

Technical Specification

Product Type: Deck Support Post
Dimensions: 450mm x 100mm x 100mm
Length: 450mm
Cross Section: 100mm x 100mm
Material: Precast Concrete
Installation Type: Below Ground Fixing
Use Class: External – Decking & Garden Structures
Supply Format: Sold Individually
Pack Size: Bulk packs available on request

Why Choose a 450mm Concrete Deck Support Post?

The 450mm x 100mm x 100mm Deck Support Post provides a practical foundation solution for low-level decking and light garden structures. Combining compact sizing with solid concrete durability, it offers dependable outdoor performance while helping extend the lifespan of timber installations.