Danger Hazard Area Do Not Enter Signs combine a warning symbol with a red prohibition message, helping you stop staff, visitors and contractors entering unsafe areas in workplaces, yards, plants, sites and restricted access points before they reach the hazard.

Where Danger Hazard Area Do Not Enter Signs Should Be Positioned

You should install this sign at the first decision point before the hazard, such as gates, doors, barriers, fenced edges and restricted work areas. Clear front-facing visibility helps people understand both the danger and the entry ban before stepping into risk.

Viewing Distance Guidance for This Hazard Access Sign

For the 300 x 500mm size, place the sign where it can be read before a person reaches the entry point. In open site areas, allow several metres of approach distance and avoid mounting it where vehicles, stacked goods or gates can hide the message.

Size option	Practical viewing guidance	Best use
H 300 x W 500mm	Commonly readable from several metres away when kept unobstructed	Doors, gates, barriers, fences and site access points

Expected Safety Outcomes After This Sign Is Installed

This sign changes behaviour by making the risk and instruction immediate: people see danger first, then understand they must not enter. It supports stronger access control where a hazardous area could otherwise be mistaken for a normal route.

✅ Helps stop unauthorised entry before people reach hazardous work, storage or plant areas.

✅ Gives contractors and visitors a clear instruction without relying on verbal warnings.

✅ Supports safer site control where temporary barriers or doors alone may be missed.

Technical Specifications for Danger Hazard Area Do Not Enter Signs

Sign message: Danger Hazard area / Do not enter
Sign type: hazard warning and prohibition
Dual-message safety sign
EN ISO 7010 codes: W001, P080
W001 symbol: general warning
P080 symbol: no access for unauthorized persons
Conforms to EN ISO 7010
Conforms to BS 5499 sign regulations

Material options: rigid plastic or self-adhesive vinyl
Size: H 300 x W 500mm
Orientation: landscape
Shape: rectangle
Background colours: yellow and red
Text colours: black and white
Symbol colours: black and red
Finish: glossy film surface

Non-photoluminescent
Non-reflective
Supplied as single sign
Material thickness: varies by selected material
Display area: indoors and outdoors
Fitting: wall, door, post or fence mount
Rigid plastic fixings: available separately
Vinyl fixing: self-adhesive backing

ⓘ Installation Guidance

Installation Checks Before You Fit This Hazard Area Sign

❌ Placement mistakes that weaken control

❌ Fitting it after the hazard has already been reached.

❌ Mounting it too low where parked vehicles or materials can hide it.

❌ Placing it sideways to the approach route instead of facing the user.

❌ Situations where this sign is not enough

❌ Using it alone where physical access control is legally or practically required.

❌ Relying on it for a specific hazard that needs a dedicated warning symbol.

❌ Installing it on dirty, loose or wet vinyl surfaces without preparation.

✅ Better fitting choices for clear restriction

✅ Position it at eye level where people decide whether to enter.

✅ Pair it with barriers, locked gates or supervision for higher-risk areas.

✅ Check the sign remains readable after site layout, lighting or storage changes.

? Customers Questions

Danger Hazard Area Do Not Enter Signs questions answered

What are Danger Hazard Area Do Not Enter Signs used for? They warn that an area contains a hazard and clearly tell people not to enter unless they are authorised and properly controlled.

Where should I fit this sign? Fit it before the risk is reached, such as on access doors, gates, perimeter fencing, barriers or controlled entry points.

Is this sign suitable for outdoor use? Yes, the sign can be used indoors or outdoors when you choose a material and fixing method suitable for the surface and exposure.

What does the W001 and P080 combination mean? W001 gives a general hazard warning, while P080 communicates that unauthorised people must not access the area.

Should I use this instead of a standard Do Not Enter sign? Use this version when you need to show both the presence of danger and the entry restriction, not just a simple access instruction.

✔ Features & Benefits

Danger Hazard Area Do Not Enter Signs Features and Practical Benefits

Features

✓ Combines yellow warning and red prohibition formats
✓ Includes W001 general warning and P080 access restriction symbols
✓ Landscape 300 x 500mm layout gives both messages space
✓ Available in rigid plastic or self-adhesive vinyl

Benefits

✓ Helps people recognise danger and avoid entering immediately
✓ Reduces reliance on spoken instructions at busy access points
✓ Useful where one sign must warn and restrict entry together
✓ Lets you choose a fixing style suited to doors, fences or walls

Linked danger signs for restricted and multi-risk areas

Where several hazards exist in the same place, use multi-hazard area warning signs to cover combined risks more clearly. Useful where one symbol or message would be too narrow.

For construction boundaries with restricted entry, compare with construction no unauthorised access signs at gates and hoarding. This helps stop people before they reach the hazard area.

If the risk is linked to live works, add danger construction work in progress signs near active work faces. They explain why access should be avoided.

For a general caution option in less severe areas, choose reflective hazardous area caution signs where visibility and awareness are the priority. This can suit yards, depots and shared work routes.

For a fuller range of restricted area notices, view hazard warning signs for site areas and select the right strength of danger or caution message. This helps you avoid over-warning or under-warning.

🚚 Delivery

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Based on an estimated 3 working day delivery timeframe from today, excluding weekends and bank holidays. Delivery dates are provided as a guide only and may vary depending on the product ordered, stock availability at the time of purchase, production or printing lead times.