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Chapter 8 and Water-Filled Barriers

Water-filled barriers are plastic units you fill with water or sand on site to separate works areas from traffic and pedestrians. This range runs from compact Evo and Hog 600 barriers to heavy RB2000 and Nexus units, crash-tested Defender 50 barriers and orange Chapter 8 plastic barriers. Choose by height, filled weight and whether your scheme specifies a crash test.

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4 products
RB2000™ Road Safety Barrier

RB2000™ Road Safety Barrier

£194.00 exc. VAT£232.80 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
RB2000™ End Stop for Road Safety Barrier

RB2000™ End Stop for Road Safety Barrier

£185.00 exc. VAT£222.00 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
RB2000™ Front Stop for Road Safety Barrier

RB2000™ Front Stop for Road Safety Barrier

£185.00 exc. VAT£222.00 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Trade and bulk orders

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Talk to our trade team. We quote on bulk and project orders and turn quotes round within 24 hours.

  • Bulk pricing on larger orders
  • Custom RAL colours on barriers and fencing
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Buying guide

Chapter 8 & Waterfilled Barriers: what to know before you buy

Four Types of Barrier in This Range

  • Crash-tested barriers: Defender 50, The Shield Barrier and RB22, for works next to live traffic where a test standard is specified.
  • Heavy water-filled barriers: RB2000, Nexus, GB2, City Wall, Bison and Site Wall, for site perimeters, compounds and delineation.
  • Compact water-filled barriers: Evo, EvoGator, Hog 600, 1m Pyramid and Novus, for pedestrian segregation and access control.
  • Chapter 8 plastic barriers: the orange Chapter 8 Barrier 2m and the Utility Barrier, for pedestrian demarcation around works.

The range also includes water-filled bases for temporary fence panels. The ROTA Slot and the Slot Block each give 320kg of ballast per 3.5m panel once filled, with no separate fence feet needed.

Crash Test Information by Product

Only some barriers here state a crash test, and the details differ. The table shows what each product page or our 2026 catalogue states.

BarrierStated ratingSourceSize and weight
Defender 50BS EN 1317 N1, impact speeds up to 50mph, impact severity level AProduct page and catalogue800mm high, 400 litre capacity, 40kg empty
The Shield BarrierASI A impact severity, W8 working width; BS EN 1317 N1 at 50mph, tested by Horiba MiraProduct page; catalogue2m long, 800mm high, 60kg empty, 390kg filled
RB22Listed as BS EN 1317Catalogue2000mm long, 800mm high, 60kg empty, 600kg filled

The other barriers in this category do not state a crash test. Treat them as delineation and segregation barriers, and confirm the required standard with your scheme designer before ordering for carriageway works.

Compare Heavy Water-Filled Barriers

BarrierLengthHeightEmpty / filled weightNotable feature
RB20002000mm1000mm35kg / 400kgRed or white, optional white mesh
Nexus2313mm (2m working)845mm28kg / 408kgJigsaw links for T, X and Y layouts
GB22325mm900mm32kg / 350kgPin lock allows angles up to 35°
City Wall2295mm (2040mm working)800mm or 1000mm18.5kg or 23kg / 268.5kg or 273kgOver 280° angular movement
Site Wall1600mm650mm15kg / 300kgSand or water fill

The Bison Barrier is 2000mm long, weighs 35kg empty and 400kg filled, and rotates 90° to box off sections of a site. The Nexus takes optional Chapter 8 reflective strips, and its bolt-on mesh or hoarding panels raise it to 2.15m.

Compact Barriers for Pedestrian Segregation

Evo barriers come in 1m and 1.5m lengths at 555mm high, plus the 1.2m Evo 80 at 800mm high. The EvoGator is narrower at 300mm wide and 500mm high, weighing 6.3kg empty and 26.3kg filled. The Hog 600 stands 560mm high with a 55 litre capacity, and the 1m Pyramid Barrier weighs 5kg empty and 55kg filled.

The orange Chapter 8 Barrier 2m is a lightweight plastic pedestrian barrier with Class C wind resistance stated on its product page, and it is compatible with hook and eye barrier systems. The Utility Barrier comes in 750mm or 1m heights, in sets of 3 or 4 panels, with space for a 600 x 450mm courtesy sign.

Mesh Panels, Ends and Fixings

Mesh panels are made for a specific barrier system, so order the panel listed for yours. RB22 and GB2 mesh panels are 1400mm high, the RB2000 mesh is 1200mm high, the Evo mini mesh adds 790mm and the Pyramid mesh adds 800mm. RB22 runs also use angles, ends, steel pins and galvanised base plates, and RB2000 runs use front and end stops. The Nexus Mesh Panel is in Chapter 8 & Waterfilled Barriers Accessories.

Colours, Delivery and Hire

Most barriers are red or white. The Nexus is available in a bespoke RAL colour with a minimum of 96 units and a lead time of 2 to 4 working weeks, and the Evo offers a custom colour for a per-unit surcharge. If filling barriers on site is not practical, compare the self-weighted Fortis steel road barrier.

Stocked items ordered online before 2pm are dispatched within 1 to 2 working days, made-to-order items take 1 to 3 working days, and Bespoke RAL colours take 2 to 4 working weeks. Delivery is free on orders over £1,500 exc. VAT in England and Wales. Hire is available on a mid to long-term basis by quote; call 0330 056 4420 or email sales@securasite.co.uk.

FAQ

Questions buyers ask us

Straight answers on chapter 8 & waterfilled barriers, from sizes and colours to delivery and hire.

Still have a question? Talk to our sales team directly. 0330 056 4420 sales@securasite.co.uk Monday to Friday, 8:00am to 5:30pm
01Which water-filled barriers are crash tested?

The Defender 50 product page states BS EN 1317 N1 testing at up to 50mph, and The Shield Barrier page states ASI A and W8 ratings. Our catalogue lists the RB22 as a BS EN 1317 barrier. The other barriers here do not state a crash test.

02How heavy is a water-filled barrier once filled?

It depends on the model. The Nexus reaches 408kg filled, the RB2000 400kg, the GB2 350kg and the Site Wall 300kg, while the compact EvoGator weighs 26.3kg filled.

03Can I fill barriers with sand instead of water?

Several product pages state sand or water, including the Nexus, GB2, Evo, EvoGator, Site Wall and Novus. The Nexus page notes that sand avoids the water disposal step when the barrier is moved.

04Do mesh panels fit across different barrier systems?

Generally not. The Pyramid mesh panel fits the 1m Pyramid Barrier only, and the Nexus Mesh Panel has not been confirmed for other barriers. Order the mesh panel listed for your barrier.

05Can water-filled barriers form corners?

Yes. The GB2 angles up to 35°, the City Wall has over 280° of angular movement, the Bison and Pyramid rotate 90° and the Nexus links at 90° for T, X and Y layouts. RB22 runs use a dedicated angle piece.

06What colours are available?

Most barriers are red or white, and the Chapter 8 Barrier 2m is orange. The Nexus is available in a bespoke RAL colour with a minimum of 96 units and a lead time of 2 to 4 working weeks, and the Evo offers a custom colour for a per-unit surcharge.

07Do you hire water-filled barriers?

Hire is available on a mid to long-term basis by quote. Send us your quantities and hire period and we will turn the quote round within 24 hours.

08How quickly can barriers be delivered?

Stocked items ordered online before 2pm are dispatched within 1 to 2 working days, made-to-order items take 1 to 3 working days, and Bespoke RAL colours take 2 to 4 working weeks. Delivery is free on orders over £1,500 exc. VAT in England and Wales.