
Lightweight Cable Tray Support Blocks

Chelmstone's Cable Tray Support Blocks are fibre reinforced concrete supports designed for commercial, industrial, infrastructure and renewable energy projects across Australia.
Designed to support cable trays, cable ladders, conduits, pipework and associated services, our reduced-weight block designs provide the durability and stability of concrete while weighing substantially less than equivalent solid concrete blocks.
The reduced weight makes the blocks easier to handle, position and install, while also helping reduce transport requirements. Chelmstone Cable Tray Support Blocks are suitable for electrical infrastructure, solar farms, Battery Energy Storage System (BESS) projects, substations, mining operations, transport infrastructure and commercial developments.
The range also includes an interlocking cable tray support block designed to be stacked where additional support height is required, with integrated handholds to assist with lifting and positioning.
What Are Cable Tray Support Blocks?
Cable tray support blocks are precast concrete supports used to elevate cable trays, cable ladders, conduits and service installations above ground level. They provide a stable and durable base for electrical, communications and mechanical services across infrastructure, industrial and commercial projects.
Chelmstone Cable Tray Support Blocks are designed to provide:
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Reduced product weight
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Fibre reinforced concrete construction
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Durable precast construction
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Easier handling and positioning
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A range of sizes and configurations
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Solutions for civil, electrical and infrastructure projects
Chelmstone Cable Tray Support Blocks are available in a range of reduced-weight designs, providing a substantially lighter alternative to equivalent solid concrete supports.
Cable Tray Support Block Applications
Chelmstone's Cable Tray Support Blocks are suitable for a wide range of infrastructure, renewable energy, industrial and commercial applications.
Electrical & Communications Infrastructure
Provide stable support for electrical cable trays, cable ladders, communications services, conduits and data cabling installations.
Solar Farms
Suitable for supporting cable tray systems, conduit runs and associated electrical infrastructure across utility-scale solar developments.
Battery Energy Storage Systems (BESS)
Ideal for supporting cable tray and service routes within battery storage facilities where durability, ease of installation and long-term performance are essential.
Substations & Power Infrastructure
Suitable for supporting cable tray, cable ladder and service routes within electrical substations, power facilities and transmission infrastructure projects.
Mining & Industrial Facilities
Suitable for cable tray and cable ladder installations in mining and industrial environments where durable ground-mounted support is required.
Mechanical Services & HVAC
Can be used to support pipework, conduits and associated mechanical services across commercial and industrial developments.

Cable Tray Block Sizes & Product Codes
Our standard range of cable tray support blocks is available in multiple sizes to suit various tray widths and infrastructure requirements.
For major infrastructure, renewable energy, BESS and mining projects, custom dimensions and project-specific designs may be available subject to minimum quantities. Please refer to the FAQ section of this page for further details.




NEW – Interlocking Cable Tray Support Blocks
300 × 300 × 148 mm | Approx. 23 kg
Chelmstone’s new interlocking cable tray support blocks are designed for raised cable tray installations across electrical infrastructure and renewable energy projects.
Manufactured from high strength concrete, it features integrated handholds for easier handling and positioning. Its interlocking design allows blocks to be securely stacked where additional support height is required.
Key Features
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Dimensions: 300 × 300 × 148 mm
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Weight: Approx. 23 kg
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High Strength Concrete
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Interlocking design
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Integrated handholds for easier handling
Contact Chelmstone for pricing and availability.

Why Choose Chelmstone's Cable Tray Support Blocks?
Reduced Weight & Easy to Handle
Chelmstone Cable Tray Support Blocks feature reduced-weight designs that make them substantially lighter than equivalent solid concrete blocks, assisting with handling, positioning and installation on site.
Fibre Reinforced Concrete Construction
Manufactured from fibre reinforced concrete for a durable support solution suitable for demanding commercial, industrial and infrastructure environments.
Purpose Designed for Cable Tray Support
Blocks are designed specifically for ground-mounted cable tray, cable ladder and associated service installations, with multiple sizes available to suit different project requirements.
Interlocking & Stackable Design
Our interlocking cable tray support blocks can be stacked to accommodate varying installation heights, providing a practical solution for projects requiring raised cable tray supports.
Reduced Transport & Handling Requirements
Reduced finished weight can help lower transport and site handling requirements, particularly for large infrastructure, mining and renewable energy projects.
Australia-Wide & International Supply
Chelmstone offers cable tray support solutions for contractors, infrastructure developers, utilities and distributors across Australia and international markets.
Cable Tray Support Block FAQs
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