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Water filled barriers

GKTM can supply and install Slot Blok Water Filler Barrier systems.

Slot Blok Water-Filled Barrier

Slot Block Water Barrier by GKTM

Slot Blok barriers are water filled Traffic Management barriers commonly used for roadworks and construction. These Chapter 8 compliant barriers are manufactured in red and white colors, which provide high visibility, ensuring road user’s safety.

Our water filled barriers are wind-resistant barriers that fit standard 3.5m x 2m temporary mesh fencing panels. The units are sized at 600mm in height and 1750mm in width, 3500mm when combined.

The sets of 2 barriers necessary to support the mesh panels  weigh a combined 15kg when empty and over 300 when filled in, ensuring wind-resistance to up to 57mph. All pieces of barrier feature 50mm drainage, which allow for quick emptying time.


SlotBlok barrier in Dublin GKTM

Slot Blok barrier Features & Benefits


Increased Pedestrian, Driver and Workforce Safety. Slot Blok’s high visibility colours ensure road user’s safety.

Quick, Easy Installation

Assembly, dismantling and repositioning requires minimal time. Water-filled barriers are light weight and easy to stack, allowing for operatives to modify the layout of the installation easily.


Easy to Transport

Slot Blok barriers are easy to transport, as they’re stackable and lightweight. This type of barrier can be delivered in large amounts on a single load.


Stability Tested

Slot Blok barriers weigh over 300kg when filled in, ensuring resistance to strong weather events, such as rain and wind up to 57mph.

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