Danger Construction Site Keep Out Signs
Danger Construction Site Keep Out Sign is a BS EN ISO 7010 compliant dual-message safety sign designed for active building environments. Featuring a high-visibility hazard warning and clear keep out instruction, it helps prevent unauthorised access, reduce public risk and strengthen controlled entry at construction perimeters.
Where & How to Use this dual-message sign
Install at construction site entrances, hoarding lines and temporary fencing before individuals approach operational work areas. Position at eye level with unobstructed visibility from pedestrian and vehicle routes to clearly communicate restricted access and reinforce perimeter safety from the outset.
Operational Safety Gains After Installation
- ✓ Reduced unauthorised site access
- ✓ Clearer hazard awareness for the public
- ✓ Stronger perimeter control procedures
- ✓ Improved compliance with safety signage standards
- ✓ More professional site presentation
- ✓ Consistent construction hazard communication
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: “Danger Construction Site” | “Keep Out”
Construction Perimeter Risk & Access Control Guidance
- ❌ Mounting too low on fencing reducing visibility
- ❌ Selecting small sizes for busy roadside entrances
- ❌ Installing after the boundary rather than before it
- ❌ Where prohibition-only signs are more appropriate
- ❌ Where demolition-specific warnings must be displayed
- ❌ Where PPE enforcement signage is necessary
- ✅ Install at every pedestrian and vehicle access point
- ✅ Choose fluted polypropylene for temporary fencing
- ✅ Inspect signage regularly during site audits
Customers frequently asked questions
Are danger construction site keep out signs required by UK law? Where risk assessments identify hazards to workers or the public, appropriate warning signage must be displayed to meet workplace safety obligations.
Where should a construction keep out sign be positioned? It should be installed at all entrances, fencing lines and access gates before individuals enter operational construction areas.
What ISO symbols are used on construction keep out signs? They typically feature the yellow hazard triangle (W001) and mandatory symbol (M001) in accordance with BS EN ISO 7010.
Which material is suitable for temporary building sites? Fluted polypropylene is ideal for short-term perimeter fencing, while rigid plastic provides greater durability for extended projects.
What size construction sign is best for roadside visibility? Larger formats such as 600 x 800 mm improve legibility for approaching pedestrians and vehicles.
Features & Benefits
- ✓ Dual hazard and instruction message layout
- ✓ ISO 7010 compliant symbol design
- ✓ Multiple large-format size options
- ✓ Suitable for fencing, hoarding and gates
- ✓ Durable vinyl, rigid plastic or fluted material
- ✓ Deters public and contractor trespass
- ✓ Reduces risk of injury near live works
- ✓ Supports structured site access control
- ✓ Enhances compliance documentation
- ✓ Reinforces clear construction hazard awareness