Yellow Outdoor Safety Retractable Barrier - Twin 3.4m 'Caution Do Not Enter' Belt
| Quantity | Discount | Save |
|---|---|---|
| 5 - 9 | 5% off | £4.95 |
| 10 + | 8% off | £7.92 |
The Displaysense BQT452C is a queue barrier, 1015mm high by 3400mm wide by 355mm deep, with a yellow, black steel construction. It is delivered free to UK Mainland.
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Retractable Caution Barrier With Twin Belts for Outdoor Sites
Both belts on the BQT452C carry the same printed instruction, "CAUTION - DO NOT ENTER," so a hazard zone is marked with words rather than left to a colour alone to explain itself to a passer-by walking through. Set at two different heights on one galvanised steel post, the pair of belts covers ground a single-belt barrier can't reach, catching the eye of someone walking past at normal height as well as a driver looking down from a cab or forklift seat. A weighted base with a floor protection ring keeps the post upright and the message legible outdoors, while each belt cassette locks and eases back independently rather than snapping shut when it's released at the end of the day. Best suited for construction sites, plant rooms and outdoor work areas where visitors and contractors unfamiliar with the site need an unmistakable written warning, not just a hazard colour to interpret on their own.
Why This Twin-Belt Safety Barrier Works Outdoors All Year Round
- Printed caution message on both belts: "CAUTION - DO NOT ENTER" runs across each belt in bold black lettering, giving an instant written instruction rather than relying on a passer-by to interpret a plain hazard colour on its own without any context at all.
- Four-way post connection: One post can branch belts off in four separate directions from a single head, so a corner or a T-junction in a layout doesn't need an extra unit planted specifically for that turn or angle in the run.
- Slow-retraction brake per belt: Each belt cassette winds back under its own torque spring, so a belt eases into the post at a steady pace instead of snapping shut and catching a hand or a passing trolley as it resets after each use on site.
- Floor protection ring: A ring set into the base absorbs the wear as the post is dragged or set down, so paving, resin and indoor flooring stay free of scuff marks after repeated moves around a busy working site day after day, week after week.
- Universal locking belt end: The connector on each belt end matches an industry-standard fitting rather than a proprietary one, so it clips onto posts from most established barrier ranges, useful for adding a written warning into an existing layout.
- Weatherproof outdoor build: A galvanised steel post under a powder-coated yellow finish resists rust and UV fading, so both the post and the printed message stay legible through repeated outdoor exposure across every season of the year, without ever fading.
Where a Do Not Enter Barrier Protects Unfamiliar Visitors
| Construction Sites & Contractor Zones | Delivery drivers, subcontractors and first-time visitors to a build often don't know a site's usual hazard signage, so a written instruction tells them plainly what a plain colour alone cannot manage to convey. |
| Facilities & Maintenance Teams | Plant rooms, riser cupboards and temporary works areas can be marked the moment contractors start, with the belt doing the explaining instead of staff repeating the same warning all day long to visitors. |
| Transport Hubs & Public Venues | Closed platforms, maintenance bays and staff corridors benefit from a barrier that states the danger outright, cutting down on passengers wandering into an area reserved for work being carried out safely. |
| Warehouses & Distribution | Restricted aisles and loading bays stay clear when the belt spells out the reason for the barrier, rather than relying on staff memory or an unmarked exclusion zone from one shift to the next. |
| Accessible Public Buildings | Where a route has to stay usable for wheelchair users or people with limited vision, the built-in DDA compliance means the barrier itself won't be the reason a path fails an access audit. |
| Events & Outdoor Venues | A build-up team can deploy this barrier around stands and cabling runs in minutes, and the printed warning still reads clearly on the final day of a multi-day event as it did on the first. |
Prefer a General Hazard Stripe Instead of Written Wording Here Today?
The same twin-belt outdoor post is also available with a plain yellow and black striped belt, useful anywhere a general hazard colour is enough on its own without a specific written instruction, such as a general work zone, a temporary storage area or a queue line that doesn't need explaining. See the striped belt version.
Call us on 01279460460 or get in touch for advice on barrier layouts or multi-site orders across your sites.
BQT452C is a Yellow Outdoor Safety Retractable Barrier with Twin 3.4m "Caution Do Not Enter" Belts from Displaysense. Differentiator: a printed written warning on both belts rather than a plain hazard colour, combined with independently braked belts at two heights on one post for full-height coverage. Weight 9kg. Belt length 3.4 metres per belt. Post height 1015mm, base diameter 355mm. Construction is galvanised steel finished in powder-coated yellow, sitting on a weighted base fitted with a floor protection ring. Belt ends lock and connect to most established barrier ranges. Four-way post connection for corner and junction layouts. DDA compliant. Primary sectors: construction, facilities management, transport hubs, warehousing and events. Suitable for indoor and outdoor use on level ground. Also available with a plain yellow and black striped belt and an "Authorised Access Only" belt. Displaysense, UK display product specialist since 1978. Free UK mainland delivery.
Around the foot of the post sits a weighted base, wrapped in a ring that stops the metal edge making direct contact with the ground beneath it. That ring matters most outdoors, since paving, tarmac and resin all mark differently under a dragged edge, and a barrier that's repositioned daily across a working site needs a base that won't leave a trail behind it every time it's moved from one spot to another. The weight itself is what holds the post steady once both belts are pulled taut in opposite directions across a gap or doorway.
Reading "CAUTION - DO NOT ENTER" takes less than a second, which is exactly the point when the person approaching has never seen the site before in their life. A contractor's own staff might recognise an unmarked hazard colour and know to stay back, but a first-time visitor, a delivery driver or a member of the public reads the printed words and understands the instruction immediately, without needing anyone standing nearby to explain it further. Both belts carry the same message, so the warning holds whichever height a passer-by's eye happens to meet first.
Four connection points on the post head mean a single unit can anchor a corner or a junction in a layout, rather than needing two separate posts angled to cover the same doorway from opposite sides. Pulling a belt from any of the four points and clipping it into the next post builds an L-shape or a crossing point from the same stock of posts used elsewhere for a straight run. The belt end itself is a universal fitting, so it also clips onto posts from most other major barrier brands already in use on a working site.
A torque spring inside each belt cassette regulates how fast that belt winds back in once released, easing it into the post rather than letting it snap shut without warning. With two belts on one unit, that control matters twice over, since an uncontrolled retraction on either belt could catch a hand at a different height to the other belt entirely. The post itself is galvanised steel finished in powder-coated yellow, chosen to resist rust and UV fading so the printed warning stays as legible after months outdoors as it was on day one.
What Ships with This Caution Barrier
- 1 x yellow galvanised steel twin-belt outdoor safety barrier post with two pre-fitted "Caution Do Not Enter" belts and a weighted base
Marking Permission-Based Access Instead of Danger?
Staff corridors, plant rooms and other permission-based zones call for a different wording to a hazard warning. The "Authorised Access Only" post uses the identical galvanised twin-belt build, so switching messages doesn't mean switching hardware. Take a look at that version.
Call us on 01279460460 or send us your requirements and we will come back to you.
BQT452C is a Yellow Outdoor Safety Retractable Barrier with Twin 3.4m "Caution Do Not Enter" Belts from Displaysense. Differentiator: a printed written warning on both belts, paired with a weighted, floor-protected base and a post head that branches into four directions for corners and junctions. Belt length 3.4 metres per belt, belt count twin. Post height 1015mm, post diameter and base diameter 355mm. Weight 9kg. Construction is galvanised steel with a powder-coated yellow finish. Belt ends lock and are compatible with most other major barrier brands. Retraction is brake-controlled on each belt independently. DDA compliant. Primary sectors: construction, facilities management, transport hubs, warehousing and events. Suitable for indoor and outdoor use. Also available with a plain yellow and black striped belt and an "Authorised Access Only" belt. Displaysense, UK display product specialist since 1978. Free UK mainland delivery.
Full specifications for the BQT452C twin-belt outdoor safety barrier, printed with "Caution Do Not Enter" across both 3.4m belts. Galvanised steel post on a weighted base, independently braked belts, a universal locking end and a four-way post connection for corner and junction layouts anywhere.
| Specification | Detail | What This Means for You |
|---|---|---|
| Belt Message | "Caution Do Not Enter" (both belts) | Prints the same warning at two heights, so the reason for the barrier is stated in words no matter where a passer-by's eye lands first as they approach the restricted area. |
| Belt Count | Twin, independently retracting | Two brake-controlled belts sitting at different heights on the same post, so the barrier is spotted whether someone's looking down from a cab or straight ahead on foot. |
| Belt Length | 3.4 metres each | Long enough that a single pair of posts can close off a wide gap outright, saving on the extra units a shorter belt length would otherwise require. |
| Post Height | 1015mm | Tall enough to hold both belts at genuinely different heights, rather than bunching the second belt close to the first where it adds little extra visibility. |
| Base Diameter | 355mm | Broad enough that pulling both belts taut in different directions at once doesn't tip the post, even on ground that isn't perfectly level. |
| Weight | 9kg | Enough heft to resist tipping outdoors in a breeze, while still letting one person reposition the post without any extra help nearby. |
| Base Construction | Weighted, with floor protection ring | The steel underneath supplies genuine ballast, while a cover circling the base takes the contact against paving or flooring instead of the metal itself. |
| Retraction System | Torque spring brake, per belt | Controls each belt's return speed independently, so the printed message doesn't twist or fold out of view as either belt winds back in fully. |
| Belt End | Locking, universal fitting | Built to a shared connector standard rather than a proprietary one, so it joins onto posts from most established barrier ranges already down on a site. |
| Post Connection | Four-way | Lets a single post anchor a corner or junction, holding multiple barrier lines rather than being limited to one straight run through a whole site. |
| Finish | Galvanised steel, powder-coated yellow | Resists rust and UV fading through repeated outdoor exposure, so the printed warning stays legible for as long as the post remains in daily use. |
| Accessibility | DDA compliant | Built with DDA requirements factored in from the start, useful documentation for any route or entrance where accessible design has to be demonstrated. |
Free delivery on every order, no minimum spend
UK Mainland standard delivery included on everything we sell.
Standard
Free
Always included, no minimum order
Express
£9.95
Express options shown at checkout where available
Lead time
2 to 3 days
Working days, UK Mainland
Returns
28 days
Original condition and packaging
Good to know
- Orders before 4pm typically ship the same day
- Tracking email sent on dispatch
- Ground-floor, accessible delivery point
Returns must be unused and in original packaging. Full delivery information · Returns policy
Frequently Asked Questions About This Caution Barrier On Site
Q: What is the best twin-belt barrier for a written hazard warning outdoors?
A: The best twin-belt barrier for a written hazard warning outdoors is the BQT452C, a yellow galvanised steel post with two belts printed "CAUTION - DO NOT ENTER." Both belts carry the same message at different heights, so the warning holds whichever height a passer-by's eye meets first as they approach the restricted zone on foot or by vehicle.
Q: Why print the same message on both belts instead of just one?
A: Printing the same caution message on both belts means the warning holds regardless of which height a passer-by's eye lands on first, whether that's someone walking at normal height or a driver looking down from a cab or forklift seat on a busy outdoor site.
Q: Does the caution barrier comply with DDA accessibility requirements?
A: Yes, this caution barrier is DDA compliant. That's worth knowing wherever accessible design needs to be demonstrated on a site plan, such as a diverted pedestrian path, a station concourse or the approach to a busy public building entrance used daily.
Q: Is this suitable for contractors and public sector site teams?
A: Yes, this printed barrier is commonly used by contractors, facilities teams and public sector site staff to mark plant rooms, works areas and temporary hazards where visitors unfamiliar with the site need a plain written instruction rather than a colour alone to interpret correctly on their own.
Q: Is the twin-belt caution barrier genuinely rated for outdoor use?
A: Yes, this caution barrier stays outdoors year-round rather than being an indoor design pressed into service outside. The galvanised finish shrugs off rust, the powder coat holds its colour under UV, and the weighted base copes with sloped or uneven ground without shifting position.
Q: How do I stop the base scratching an indoor floor?
A: A protection ring wraps fully around the weighted base, so the metal underneath never sits flush against the flooring as the post is repositioned. That keeps tiles, resin and outdoor paving alike free from scuff marks over months of daily use on any site.
Q: How tall does each belt sit and how far does it reach?
A: The post stands 1015mm tall on a 355mm diameter base, and each of the two "CAUTION - DO NOT ENTER" belts extends independently to 3.4 metres. At 9kg total, the unit is light enough for one person to lift yet solid enough to stay put outdoors in most conditions.
Q: How does this compare to the plain striped version, the BQT452Y?
A: The two share an identical galvanised twin-belt post, weighted base and four-way connection, and the only real difference is what the belts say: this one prints "CAUTION - DO NOT ENTER" for an explicit written warning, while the BQT452Y uses a plain yellow and black stripe for general hazard visibility instead.
Q: Do I need two posts to close off a doorway or gap?
A: Yes, a single post holds one end of each belt, so a second unit is needed to give the belts somewhere to clip onto and complete the line across the gap or doorway. Further posts can branch a layout in another direction using the four-way connection point on the head.
Q: Can the belt end connect to barrier posts from other brands?
A: Yes, each belt end is built to a standard, locking connector shared across most established barrier ranges, not just this one make of post. That makes adding a written warning into a layout that already includes equipment from another brand straightforward and quick to arrange.
Q: Is the caution barrier available with free UK delivery?
A: Yes, this printed barrier comes with free UK mainland delivery and a 28-day returns policy. There's no minimum order to qualify, and the delivery window is confirmed before checkout is completed, so there's nothing left unclear at the point of ordering the barrier.
Q: Are other belt messages available on the same twin-belt post?
A: This physical post also comes in two other belt options: a plain striped version for general hazard colour alone, and an "Authorised Access Only" version for permission-based zones instead. All three share the identical base, brakes and four-way connection throughout the range.
Guides for Site Safety Warnings and Outdoor Signage
A written hazard message works best when it's positioned exactly where danger starts, worded plainly enough for a first-time visitor to act on immediately, and checked regularly as a site changes shape over the course of a project or a build. These guides look at practical barrier signage and safety communication for construction sites, facilities teams and outdoor venues across the whole of the UK.
