The 20kg safe-lift ballast block is a modern, compliant alternative to the heavier traditional 50kg concrete ballast blocks, designed with both stability and safety in mind. Weighing only 20kg, it can be safely lifted and positioned by one person yet still offers reliable stability for use with temporary fencing at construction sites, events, or with crowd-control barriers. Its bright plastic coating makes it highly visible on-site and helps prevent tripping, while its ergonomic shape ensures safe, efficient handling. When additional weight is required, multiple blocks can be stacked securely without risking manual handling safety. It is compatible with ballast block stabilisers, fence stabilisers (HSG151), small stabilisers, and loading trays for optimal flexibility.
Key features & benefits
- Weighs exactly 20kg – complies with HSE one-person lift guidelines.
- Stackable design – it adds weight safely when required.
- High-visibility bright plastic finish – this reduces trip hazards.
- Ergonomic handles – safe for lifting, carrying, and positioning.
- Full compatibility with existing stabilisers and loading trays.
- Significant reduction in manual-handling injuries.
- Demonstrates proactive health & safety compliance.
Product FAQs
What are these ballast blocks used for?
The 20kg safe-lift ballast block is ideal for ensuring the stability of temporary Heras fence panels on construction sites, at events and festivals, for crowd-control barriers, and during utilities or civil engineering projects.
Why choose the 20kg safe lift over traditional 50kg blocks?
- It eliminates two-person lifts and associated injury risk.
- Has faster installation and removal, resulting in lower labour costs.
- In most cases, mechanical handling equipment is not needed.
- Has a brighter, cleaner appearance on site.
- Offers the same proven stability performance when stacked.
Is it safe for one person to repeatedly lift 20kg?
UK HSE guidance and HSG151 suggest that single-person lifts of 20-25kg are acceptable if the load is compact, easy to grip, and held close, criteria met by the safe lift ballast block.
Does this block offer the same stability as a 50kg block?
A 20kg block weighs less than a 50kg block, but safe lift blocks can be stacked to securely reach 40kg, 60kg, or more per base.
Are these blocks compatible with standard temporary fencing?
Yes – these are compatible with all standard mesh temporary fencing systems, such as Heras, Chapter 8, and others.
What material are they made from?
This product is made from durable, high-density recycled plastic with a bright, crack- and crumble-resistant shell.
Do they cause any marks or damage to the ground?
No. The smooth plastic base shields tarmac, paving, and indoor floors.
Is it possible to use them in combination with fence stabilisers and stays?
Yes, they work with ballast block stabilisers, HSG151 small stabilisers, and loading trays.
Are they weatherproof?
They are 100% weatherproof and UV-stable for durable outdoor use.
How many blocks do I typically need?
Use one block per fence panel under normal conditions; use two blocks in windy or exposed areas.
Q & A
20kg Safe Lift Ballast Block
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