Slot Block Water Barriers by Wade Fencing

Wade Fencing

Slot Block Water Barriers

Name: Slot Block Water Barriers
Brand: Wade Fencing
SKU: SLOTBLOCKWHITE
Price: 100.0 GBP
Availability: InStock

£100.00

£83.33 (ex VAT)

Color: White

White Red Yellow Black

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Pickup available at Tipton West Midlands

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Slot Block Water-Filled Barriers for Temporary Heras Fencing

The Slot Block is a UK-designed, water-filled barrier base for stabilising standard temporary Heras fencing panels. Its low-profile design helps reduce trip hazards at the base of a fence line while providing a practical alternative to traditional fence feet. The barriers are independently tested and designed for construction sites, roadworks, traffic management and event perimeters.

Looking for the right temporary fencing base?

Slot Blocks provide water-filled ballast for standard 3.5m Heras fencing, using two 1.75m blocks per panel. The low-profile arrangement is useful where the footprint around the fence line needs to be kept practical.

View Specification Installation Advice FAQs

Why choose Slot Blocks?

✓Water-Filled Ballast

Fill the barriers on site to provide ballast while keeping handling easier before filling.

✓1.75m Block Length

Two 1.75m Slot Blocks are used with each standard 3.5m temporary fence panel.

✓Low-Profile Design

Keeps the ballast close to the ground and helps reduce the footprint around the fence line.

✓Independently Tested

Designed and tested for use as part of temporary fencing installations.

Dimensions & Specification

Product	Slot Block Water Barrier
Block Length	1.75m
Panel Arrangement	2 blocks per standard 3.5m Heras panel
Fill	Water-filled on site
Colours	Red, White, Yellow and Black
Application	Temporary Heras fencing

Please note: 2 Slot Blocks are required per Heras panel.

Where to Fit & Applications

Slot Blocks are intended for standard temporary mesh fencing where a stable, low-profile base is required. Typical applications include construction site perimeters, roadworks, traffic management, demolition projects, car parks and event perimeters.

For exposed sites, suitability depends on the ground conditions, fence configuration, site layout and prevailing weather. The complete temporary fencing system should be assessed for the conditions on site.

When are Slot Blocks suitable?

Choose Slot Blocks when you need to stabilise standard Heras fencing while keeping the base close to ground level. They are particularly useful where pedestrian movement around the fence line needs to be considered. For higher-risk or exposed installations, additional stabilisation may be required.

Installation & Technical Support

Slot Blocks are filled with water on site and used as a pair with each standard Heras panel. Follow the supplied installation guidance for filling, positioning and securing the fencing system.

Download the Slot Block Installation Guide →

Read: Temporary Fencing in High Winds →

Specialist Fencing Team →

Contact Wade →

Slot Block Water Barrier FAQs

How many Slot Blocks do I need for a Heras panel?

Two 1.75m Slot Blocks are required for each standard 3.5m Heras panel.

Are Slot Blocks water-filled?

Yes. The barriers are designed to be filled with water on site, providing ballast once deployed.

What colours are available?

Slot Blocks are available in Red, White, Yellow and Black.

Can Slot Blocks be used on construction sites and roadworks?

Yes. They are designed for temporary fencing applications including construction sites, roadworks, traffic management and event perimeters.

Is there an installation guide?

Yes. The Slot Block Installation Guide is available above.

Technical note: Temporary fencing stability should be assessed for the particular site, ground conditions, fence configuration and weather exposure.

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