Extendable Diamond Barrier – Mobile Expanding Safety Gate
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The Extendable Diamond Barrier is a durable, high-visibility expanding safety barrier designed to quickly restrict access to hazardous areas, control pedestrian movement and create temporary safety zones.
Manufactured from industrial stainless steel, this mobile retractable barrier combines strength, flexibility and easy handling. Its distinctive yellow diamond design provides excellent visibility, making it ideal for construction sites, warehouses, railway maintenance, public events and other busy environments.
Available in multiple heights and extension lengths, the barrier can be deployed quickly, moved easily and folded away for compact storage.
Key Features
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Strong stainless steel construction – Durable industrial frame designed for repeated use in demanding environments.
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Expandable diamond design – Adjust the barrier width to suit different entrances, walkways and restricted areas.
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High-visibility yellow finish – Helps clearly identify temporary exclusion zones and potential hazards.
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Integrated wheel brakes – Safety locks keep the barrier stationary when positioned.
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Heavy-duty rubber castors – Allow easy movement while helping minimise damage to floor surfaces.
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Reflective safety elements – Improve visibility in low-light conditions and poor weather.
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Quick deployment – Expand or retract the barrier in seconds without complicated installation.
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Compact storage – Fully retractable design reduces storage space requirements.
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Modular configuration – Multiple barriers can be connected to create longer continuous safety boundaries.
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Indoor and outdoor use – Suitable for a wide range of temporary pedestrian and site safety applications.
Flexible Access Control for Demanding Environments
The Extendable Diamond Barrier provides a practical solution for temporarily closing entrances, separating working areas and restricting access to unsafe locations.
Unlike fixed-length barriers, its expandable design allows the width to be adjusted according to the available space. This makes it particularly useful where access requirements change throughout the day.
Simply position the barrier, extend it to the required width and engage the wheel brakes to help prevent unwanted movement.
When the restricted area needs to be reopened, the barrier can be retracted and moved into storage or repositioned elsewhere.
High Visibility and Safety
The bright yellow finish makes the barrier easy to identify in busy industrial and public environments.
Reflective elements improve visibility during nighttime operations, in poorly lit areas and in adverse weather conditions.
The integrated locking wheel brakes help maintain the barrier's position during normal use, while the rubber castors reduce the risk of damage to finished surfaces.
The barrier is designed for pedestrian access management and temporary area separation, rather than vehicle impact protection.
Connect Multiple Barriers for Larger Areas
For wider entrances or extended exclusion zones, multiple Extendable Diamond Barriers can be connected to form a longer barrier system.
This modular approach provides flexibility for larger construction projects, maintenance operations and event environments where temporary access boundaries are required.
Typical Applications
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Construction sites – Restrict pedestrian access to hazardous work areas and temporary exclusion zones.
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Railway maintenance – Separate operational areas and establish temporary safety boundaries.
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Warehouses and distribution centres – Manage pedestrian movement and isolate loading or maintenance areas.
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Factories and industrial facilities – Restrict access around machinery, equipment and maintenance operations.
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Shopping centres and retail environments – Temporarily close entrances, corridors and areas undergoing cleaning or maintenance.
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Festivals and outdoor events – Create temporary pedestrian boundaries and control access to restricted areas.
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Public facilities and transport hubs – Provide flexible access management during maintenance and operational changes.
Product Specifications
| Specification | Details |
|---|---|
| Product type | Expandable mobile safety barrier |
| Model | Extendable Diamond Barrier |
| Manufacturer SKU | EXTDB |
| Frame material | Industrial stainless steel |
| Colour | High-visibility yellow |
| Design | Retractable diamond / accordion |
| Available heights | 1,300 mm / 1,800 mm |
| Available extension lengths | 2,100 mm / 4,000 mm |
| Mobility | Heavy-duty rubber castors |
| Wheel brakes | Yes |
| Reflective elements | Yes |
| Modular connection | Multiple barriers can be linked |
| Storage | Compact, fully retractable |
| Applications | Indoor and outdoor |
Available Sizes
Choose from four configurations to suit different access points and safety requirements:
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1,300 × 2,100 mm – Compact configuration for smaller entrances and restricted areas.
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1,300 × 4,000 mm – Extended coverage for wider openings and pedestrian routes.
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1,800 × 2,100 mm – Taller barrier for areas requiring a more prominent physical boundary.
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1,800 × 4,000 mm – Taller, wider configuration for larger access points and temporary exclusion zones.
Installation and Usage
The barrier is designed for quick positioning and does not require permanent installation for normal mobile applications.
For optimum performance, use the barrier on a clean, smooth and level surface.
Position the barrier, expand it to the required width and engage the wheel brakes.
For extended coverage, connect additional compatible barrier units using the appropriate connection accessories.
Durable and Reusable Construction
Designed for repeated use, the Extendable Diamond Barrier offers a long-lasting alternative to disposable temporary barrier solutions.
Its robust stainless steel construction, retractable design and reusable components make it a practical choice for organisations managing multiple sites or frequently changing access requirements.
Need help choosing the right size?
Contact our team for advice on selecting the appropriate barrier dimensions and configuration for your project.
