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Warning Construction Site Keep Out Site Signs
£10.99
In stock
SKU
MM077BE*
Dual-message Warning Construction Site Keep Out sign designed for perimeter fencing and entrance control to deter unauthorised access and reinforce hazard awareness.
Warning Construction Site Keep Out Sign is a BS EN ISO 7010 compliant dual-message safety board for active building projects. Combining a yellow hazard warning with a clear keep out instruction, it helps prevent trespass, protect the public and reinforce controlled access at site entrances and perimeter fencing.
Where & How to Use this dual-message sign
Install at construction site entrances, hoarding lines and perimeter fencing before individuals approach the working area. This dual-message sign communicates:
- “Warning Construction Site”
- “Keep Out”
Position at eye level and select larger formats for roadside visibility to clearly deter trespass and protect the public from live building activities.
Measured Safety Improvements After Installation
- ✓ Reduced risk of unauthorised site access
- ✓ Clearer public hazard awareness
- ✓ Stronger perimeter control procedures
- ✓ Improved compliance with safety signage regulations
- ✓ Enhanced professional site presentation
- ✓ Consistent hazard communication across entrances
Specifications
- Conforms to BS EN ISO 7010
- Conforms to BS 5499
- ISO Codes: W001, M001
- Sign Type: Dual-Message
- Orientation: Landscape
- Supplied As: Single Sign
- Finish: High Gloss
- Sizes: 300 x 400 mm
- Sizes: 450 x 600 mm
- Sizes: 600 x 800 mm
- Materials: Self-Adhesive Vinyl
- Materials: Rigid Plastic
- Materials: Fluted Polypropylene
- Application: Indoor & Outdoor
- Background Colours: Yellow and Blue
- Text Colours: Black and White
- Symbol Colours: Black and White
- Pictograms: Hazard Warning & Mandatory
- Non-Photoluminescent
- Non-Reflective
- Message Text: “Warning Construction Site” / “Keep Out”
Site Perimeter Control & Hazard Communication Guidance
Common Installation Errors
- ❌ Installing behind fencing where visibility is reduced
- ❌ Choosing undersized boards for roadside or high-traffic areas
- ❌ Failing to position before the site boundary
When an Alternative Sign Is Required
- ❌ Where full multi-message PPE boards are required
- ❌ Where safe condition emergency signage must be displayed
- ❌ Where statutory road traffic signage applies
Best Practice for Contractors
- ✅ Install at every pedestrian and vehicle entry point
- ✅ Use fluted polypropylene for temporary hoarding
- ✅ Review condition during regular safety inspections
Customers frequently asked questions
Where should a Warning Construction Site Keep Out sign be displayed? It should be mounted at all site entrances, perimeter fencing and access gates before individuals reach the working area to clearly deter unauthorised entry.
Are construction site keep out signs legally required? Where risk assessments identify hazards and public exposure, employers must display appropriate warning signage in line with UK safety regulations.
What ISO symbols are used on construction warning signs? They commonly include the yellow hazard warning triangle and mandatory blue circle in accordance with BS EN ISO 7010.
Which material is best for outdoor construction fencing? Fluted polypropylene is suitable for temporary hoarding, while rigid plastic provides durability for longer-term installations.
What size keep out sign is recommended for roadside visibility? Larger formats such as 600 x 800 mm improve legibility from distance and are ideal for high-traffic construction entrances.
Features & Benefits
Features
- ✓ Clear dual-message construction warning format
- ✓ ISO 7010 compliant symbols and layout
- ✓ Multiple size options for perimeter display
- ✓ Suitable for fencing, hoarding and gates
- ✓ Durable vinyl, rigid plastic or fluted board
Benefits
- ✓ Deters trespass and public entry
- ✓ Reduces risk of injury from live works
- ✓ Strengthens contractor site control
- ✓ Supports compliance with safety regulations
- ✓ Reinforces clear hazard communication
Useful alternatives for warning-led construction access control
For a stronger danger message, select danger construction site exclusion signs where entry must be discouraged clearly. Useful for site gates, fenced boundaries and hazardous works.
If you want plain public-facing wording, compare with building site danger keep out signs for simple risk communication. Suitable for visitors, pedestrians and passers-by.
For general restricted access, choose danger keep out restricted area signs where the site type does not need explaining. Helpful for locked gates, service yards and unsafe areas.
When you need repeated signs across fencing, add multi-pack keep out signs to maintain consistent instructions. Practical for longer boundaries and multiple access approaches.
You can find more options in workplace keep out instruction signs if your site needs matching access control messages. Useful for choosing by risk, wording and format.
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