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  3. Expandable Safety Barriers

Expandable Safety Barriers

Expandable safety barriers, also known as folding or concertina barriers, close off spills, repairs, doorways, racking aisles and site work areas. Each holds steady at any width between closed and fully open. First choose how it moves: carried into place, rolled on wheels or fixed to a wall at one end. Every one comes with free next day delivery.
Concertina Barrier - Red/White Plastic - Extends to 2200mm
Concertina Barrier - Red/White Plastic - Extends to 2200mm
4.4 / 5 (15 ratings)
1 item from
£38.78 Ex. VAT £46.54 Inc. VAT
Small Expanding Safety Barrier - Yellow/Black Steel - Extends to 2700mm
Small Expanding Safety Barrier - Yellow/Black Steel - Extends to 2700mm
4.5 / 5 (18 ratings)
1 item from
£48.49 Ex. VAT £58.19 Inc. VAT
Collapsible Barrier - Red/White Plastic - Extends to 3090mm
Collapsible Barrier - Red/White Plastic - Extends to 3090mm
4.8 / 5 (12 ratings)
1 item from
£104.75 Ex. VAT £125.70 Inc. VAT
Expandable Safety Barrier - Red/White Plastic - Extends to 2222mm
Expandable Safety Barrier - Red/White Plastic - Extends to 2222mm
4.8 / 5 (27 ratings)
1 item from
£43.64 Ex. VAT £52.37 Inc. VAT
Plastic Safety Barrier - Yellow/Black - Extends to 5850mm
Plastic Safety Barrier - Yellow/Black - Extends to 5850mm
4.9 / 5 (12 ratings)
1 item from
£87.29 Ex. VAT £104.75 Inc. VAT
Large Collapsible Barrier - Red/White Polypropylene - Extends to 6000mm
Large Collapsible Barrier - Red/White Polypropylene - Extends to 6000mm
1 item from
£130.94 Ex. VAT £157.13 Inc. VAT
Portable Expanding Barrier - Yellow Plastic - Extends to 3780mm
Portable Expanding Barrier - Yellow Plastic - Extends to 3780mm
5 / 5 (26 ratings)
1 item from
£126.06 Ex. VAT £151.27 Inc. VAT
Large Expandable Barrier - Yellow Steel on Wheels - Extends to 5190mm
Large Expandable Barrier - Yellow Steel on Wheels - Extends to 5190mm
4.9 / 5 (29 ratings)
2 items from
£179.44 Ex. VAT £215.33 Inc. VAT
Extra Large Expandable Barrier - Yellow Steel on Wheels - Extends to 7350mm
Extra Large Expandable Barrier - Yellow Steel on Wheels - Extends to 7350mm
4.7 / 5 (18 ratings)
2 items from
£242.49 Ex. VAT £290.99 Inc. VAT
Expandable Safety Gate - 1350mm High Yellow Aluminium - Extends to 2000mm
Expandable Safety Gate - 1350mm High Yellow Aluminium - Extends to 2000mm
5 / 5 (6 ratings)
2 items from
£367.62 Ex. VAT £441.14 Inc. VAT
Large Expandable Safety Gate - 1800mm High Yellow Aluminium - Extends to 2000mm
Large Expandable Safety Gate - 1800mm High Yellow Aluminium - Extends to 2000mm
2 items from
£436.49 Ex. VAT £523.79 Inc. VAT
Expanding Aisle Barrier - Yellow Steel With Wall Brackets - Extends to 3340mm
Expanding Aisle Barrier - Yellow Steel With Wall Brackets - Extends to 3340mm
1 item from
£129.97 Ex. VAT £155.96 Inc. VAT

Movable Barriers: Carry, Wheel or Fix to a Wall

Carried Into Place
Carried Into PlaceSix plastic and steel barriers with no wheels, 6.25kg to 16.85kg, opening from 2200mm to 6000mm.
On Wheels
On WheelsFive barriers and safety gates on wheels, opening from 2000mm to 7350mm, four with foot brakes.
Fixed to a Wall or Racking
Fixed to a Wall or RackingThe Expanding Aisle Barrier opens to 3340mm from a wall or racking upright, with 3 wall bracket receivers.

Compare Extendable Barriers by Width, Height and Weight

Every barrier holds at any width from its closed width up to the open width shown, and has a 1 year warranty.

ProductOpenedClosedHeightWeightMaterialLatch
Carried Into Place
Concertina Barrier2200mm130mm1070mm6.65kgPolypropyleneLocking Case
Expandable Safety Barrier2222mm370mm905mm6.25kgPolypropyleneNone
Small Steel Barrier2700mm240mm1000mm11.05kgSteelNone
Collapsible Barrier3090mm560mm1000mm10.65kgHDPEFront Latch
Plastic Safety Barrier5850mm700mm885mm9.9kgPolypropyleneNone
Large Collapsible Barrier6000mm910mm1000mm16.85kgPolypropylene2 Front Latches
On Wheels
Expandable Safety Gate2000mm420mm1350mm21.1kgAluminiumLatch
Large Expandable Safety Gate2000mm420mm1800mm25.5kgAluminiumLatch
Portable Expanding Barrier3780mm315mm1000mm14.5kgPolypropylene4 Locking Straps
Large Expandable Barrier5190mm430mm1715mm22.15kgSteelNone
Extra Large Expandable Barrier7350mm660mm1715mm32.25kgSteelNone
Fixed at One End
Expanding Aisle Barrier3340mm300mm1540mm13.35kgSteelNone

Measure the Gap Before Choosing Expandable Safety Barriers

Extra Large Expandable Barrier stretched across the full width of a grand museum hall

Measure the gap first, then pick a barrier that opens wider than it. Open widths run from 2000mm on the two safety gates to 7350mm on the Extra Large Expandable Barrier. Every model holds steady at any width between closed and fully open, so one barrier can close off a narrow doorway one day and a wide loading area the next.

For a long run with one barrier, the widest are the Extra Large Expandable Barrier at 7350mm, the Large Collapsible Barrier at 6000mm and the Plastic Safety Barrier at 5850mm.

Heights run from 885mm on the Plastic Safety Barrier to 1800mm on the Large Expandable Safety Gate, where a site needs a more substantial barrier.

Portable Barriers, Barriers on Wheels or Fixed to a Wall

Yellow steel expanding aisle barrier on its braked wheels, partly open across a warehouse aisle between pallet racking

Carried: six models have no wheels, from 6.25kg (Expandable Safety Barrier) to 16.85kg (Large Collapsible Barrier, which opens and closes one-handed).

On wheels: the Portable Expanding Barrier folds up and pulls along on small plastic wheels by its handle. The Large Expandable Barrier and Extra Large Expandable Barrier have braked 45mm wheels: wheel it into place, then put the brake on with your foot. Each safety gate has six 90mm wheels, two braked, and rolls as it opens.

Fixed at one end: the Expanding Aisle Barrier comes with 3 wall bracket receivers and all fixings, to bolt or screw to a wall or racking upright. Its bracket slides in and a latch flips down to hold it, and two braked 75mm wheels carry the other end.

Plastic Folding Barriers, Steel or Aluminium

Large Expandable Barrier fully opened across a wide paved walkway outdoors, closing off a work zone

The material decides the weight and how rigid the frame is.

Plastic: the Concertina Barrier, Expandable Safety Barrier, Plastic Safety Barrier, Large Collapsible Barrier and Portable Expanding Barrier are polypropylene, and the Collapsible Barrier is HDPE. Every plastic model is UV-stabilised, and the Concertina Barrier is made from 100% recycled polypropylene. The Concertina Barrier and Plastic Safety Barrier also have reflective panels.

Steel: the Small Expanding Safety Barrier, Large Expandable Barrier, Extra Large Expandable Barrier and Expanding Aisle Barrier have powder-coated steel frames, from 11.05kg to 32.25kg.

Aluminium: the two safety gates are yellow powder-coated aluminium, 1350mm and 1800mm high, for temporary or permanent installations.

Linking Barriers, Storing Them and Keeping Them Shut

Two Small Expanding Safety Barriers linked end to end across a pavement near Westminster Abbey

Need to close off more than one barrier can reach? Choose one that links. The Small Expanding Safety Barrier has male and female fittings that simply slot together, so you can run several end to end across a wide entrance or along a walkway. The safety gates link too: two plastic arms on each clip on to another gate of the same model, so the frames line up (Expandable Safety Gate to Expandable Safety Gate, Large to Large).

For storing and carrying, check closed width and weight in the table. The Concertina Barrier closes to 130mm and locks shut into a case with a carry handle. The Portable Expanding Barrier has 4 locking straps, the Collapsible Barrier one front latch and the Large Collapsible Barrier two. The safety gates have a latching system. The other models have no latch.

Expandable Barriers: Questions Answered

Can Expandable Barriers Be Used Outdoors and in Wind?

Yes, most are designed for outdoor use, and their open lattice lets the wind pass through rather than catching it. For extra weight, the Concertina Barrier’s base fills with water or sand. Two are made for indoors: the Portable Expanding Barrier, which copes with rain but is best kept out of strong wind, and the Expanding Aisle Barrier, for warehouse aisles.

Are Any of These Barriers Chapter 8 Compliant for Road Works?

Only the Collapsible Barrier, which meets Chapter 8 standards for street works and road works. For other traffic management, see our traffic and construction barriers.

Can I Use Expandable Barriers for Crowd Control?

No. They mark off areas and keep people away from a hazard, and aren’t for people to stand and push against. For queues and crowds, choose our rope and post barriers or retractable barriers, or the police barrier for something heavy-duty.

How Do the Barriers Arrive?

Most arrive ready to use, or close to it. The plastic barriers and both safety gates need at most their feet pushed into place, with no tools. The steel ones go together quickly with your own spanner: 4 or 6 bolts for the feet, or 10 for the aisle barrier’s wheels.

What Delivery and Warranty Come With Each Barrier?

Every model comes with free next day delivery and a 1 year warranty.

Related Pages

  • Car Park & Traffic
  • Traffic & Construction Barriers
  • Rope Barriers
  • Retractable Barriers
  • Impact Protectors
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