Secure Heras fence panels with our 50kg yellow concrete ballast blocks, which are fully encased in durable, weather-resistant yellow plastic. These high-visibility blocks fit perfectly over standard Heras rubber feet, boost wind stability, reduce trip hazards, and serve as a modern, stackable alternative to sandbags and slabs.
For even greater wind resistance in exposed locations, combine these ballast blocks with our fence stabiliser brace (recommended for one per panel); ideal for construction sites, events, and high-wind areas.
Product specifications
Weight: 50kg (approximately).
Dimensions: 607mm (L) × 315mm (W) × 295mm (H).
Material: Steel-reinforced concrete core with durable yellow plastic outer shell.
Colour: High-visibility safety yellow (reduces trip hazards).
Key Features: Integrated lifting handles, protective top cap, weather-resistant coating.
Ballast Block FAQs
What are the recommended quantities for ballast blocks?
Use at least 1 block per foot in sheltered spots, 2 in windy areas, and 3 or more for extreme coastal or high-wind sites.
Can I use them with plastic or composite fence feet?
These are made for rubber feet and do not fit most solid plastic block feet or anti-lift bases.
Are these blocks safe to stack?
Yes, they’re built to interlock and stack securely on the feet without extra attachments.
Are the ballast blocks highly visible?
Yes, the block is fully covered in bright yellow plastic, making it easy to spot and helping prevent people from tripping over it.
Do they have handles?
Each block has two built-in handles for safe manual handling and is best lifted by two people.
Why use these blocks?
Stability and wind resistance – Stabilises the panels in windy environments.
Perfect fit – Locks securely onto standard Heras rubber fence feet.
Stackable – You can stack multiple blocks on a single Heras foot for extra stability.
Weather protection – The plastic casing protects the concrete from damage.
High-visibility – The bright yellow colour reduces trip hazards.
Handles – Ergonomic for safe, easy lifting and placement.
Sealed cap – Keeps out dirt, water, and debris.
What are the typical applications for the concrete ballast blocks?
Throughout the UK, temporary mesh fencing systems will require ballast blocks to be added for extra stability in a range of windy settings, including:
- Construction sites and civil engineering projects.
- Outdoor events and festivals.
- Sports events and around stadiums.
- Livestock markets and agricultural shows.
- Protecting vacant properties and restricting access.
- Roadworks and utility installations.
- As well as any other location where temporary Heras fencing needs stabilising to increase its wind resistance.
Will the concrete crack or deteriorate?
No, the rigid plastic casing completely shields the reinforced concrete core from weathering, spalling, and water ingress.
Are the ballast blocks better than sandbags or loose concrete slabs?
Yes, the concrete ballast blocks offer a consistent 50kg weight, demonstrate reliability without leakage or bursting, enable convenient handling, are highly visible, and can be reused for several years without degradation.
Q & A
50kg Yellow Concrete Ballast Blocks for Heras Fencing
