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Danger Construction Site Keep Out No Trespassing Signs
Dual-message danger construction site keep out no trespassing sign combining hazard warning and prohibition symbols to secure active building perimeters.
Danger Construction Site Keep Out No Trespassing Sign is a BS EN ISO 7010 compliant dual-message safety sign designed to secure building perimeters. Combining hazard warning and prohibition symbols, it clearly communicates restricted access, deters trespass and supports controlled entry on active construction projects.
Where & How to Use this dual-message sign
Install at construction entrances, site fencing and temporary hoarding before individuals approach operational work areas. Position at eye level with clear visibility from pedestrian and vehicle routes to reinforce restricted access and protect the public from construction hazards and moving plant.
Expected Safety Outcomes After Installation
- ✓ Clearer perimeter hazard communication
- ✓ Reduced risk of trespass incidents
- ✓ Stronger control of site access points
- ✓ Improved compliance documentation
- ✓ Better public safety reassurance
- ✓ More professional site presentation
Specifications
- Conforms to BS EN ISO 7010
- Conforms to BS 5499
- ISO Codes: W001, P004
- 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 Red
- Text Colours: Black and White
- Symbol Colours: Black and Red
- Pictograms: Hazard Warning & Prohibition
- Non-Photoluminescent
- Non-Reflective
- Message Text: “Danger Construction Site Keep Out” | “No Trespassing”
Related Construction Access & Prohibition Signs
Perimeter Safety & Access Control Guidance
- ❌ Fixing too low on fencing reducing visibility
- ❌ Using small formats at high-traffic access points
- ❌ Positioning after the entry boundary
- ❌ Where demolition warnings are required
- ❌ Where PPE enforcement signs apply
- ❌ Where vehicle movement alerts are necessary
- ✅ Install at every pedestrian and vehicle entrance
- ✅ Use fluted polypropylene for temporary fencing
- ✅ Inspect signage during routine safety checks
Customers frequently asked questions
Are construction keep out and no trespassing signs legally required? Where risk assessments identify danger to workers or the public, appropriate hazard and prohibition signage must be displayed to comply with safety regulations.
Where should no trespassing signs be placed on a construction site? They should be installed at all access gates, perimeter fencing and hoarding before individuals approach active work areas.
What ISO symbol is used for no trespassing signage? ISO 7010 code P004 represents prohibition and is commonly paired with W001 hazard warning on construction keep out signs.
Which material is best for outdoor construction sites? Fluted polypropylene is ideal for temporary fencing, while rigid plastic provides enhanced durability for longer projects.
What size construction warning sign offers maximum visibility? Larger formats such as 600 x 800 mm improve legibility for approaching pedestrians and vehicle drivers.
Features & Benefits
- ✓ Dual hazard and prohibition message layout
- ✓ ISO 7010 compliant symbol design
- ✓ Large format options for perimeter visibility
- ✓ Suitable for fencing and hoarding installation
- ✓ Durable vinyl, rigid plastic or fluted options
- ✓ Deters unauthorised access effectively
- ✓ Strengthens construction site perimeter control
- ✓ Reduces risk of public injury
- ✓ Supports compliance with safety regulations
- ✓ Reinforces professional site management standards
