Warning This Site is Dangerous Multi-Message Signs | Construction Signs
Product Summary
Protect your team, visitors, and the general public with our Warning This Site is Dangerous Multi-Message Signs — an essential addition to your suite of construction site safety signs. Specifically designed for high-risk environments such as building sites, infrastructure projects, and civil engineering zones, these signs combine multiple safety messages into one clear, highly visible display.
Each construction zone sign communicates critical warnings, including hazard alerts and site access restrictions, helping to ensure compliance with health and safety regulations. Whether you're managing a long-term construction project or overseeing a short-term build, these signs are a cost-effective way to reduce risk, prevent accidents, and reinforce a "safety first" culture daily.
Ideal for use on perimeter fencing, site entrances, or high-traffic areas, these multi-message safety signs are a vital part of any workplace safety strategy. From bold "Warning" notices to universally recognised men at work sign symbols, every message is presented with maximum clarity and impact.
Material & Print Options
Our Warning This Site is Dangerous Multi-Message Signs are available in two durable material options to suit your installation needs and site conditions:
- Adhesive Vinyl – Flexible, self-adhesive material ideal for smooth, clean surfaces such as painted walls, glass, or metal. Easy to apply and suitable for indoor or sheltered outdoor use.
- 3mm Rigid PVC – A tough, weather-resistant plastic ideal for outdoor placement. Perfect for mounting on fences, wooden hoardings, or sign stanchions in exposed environments.
Both options feature high-contrast graphics, bold text, and standardised safety symbols to ensure instant recognition — even from a distance or in low-light conditions.
Installation Info
For quick and flexible installation, these signs are supplied without fixings. This allows you to choose the most appropriate method for your site — whether that’s cable ties for fencing, adhesive pads for smooth surfaces, or screws for permanent wall mounting.
For best results:
- Mount at eye level to ensure visibility and compliance
- Use in conjunction with other construction site safety signs for a comprehensive safety display
- Position at key access points, entrances, and high-risk zones
Delivery & Lead Times
We understand the urgency of site safety requirements, which is why we offer fast and reliable delivery options:
- Standard Delivery: Dispatched within 5 working days
- Express Delivery Options: Choose from next-day, 48-hour, or 72-hour delivery at checkout
Place your order before our daily cutoff time to ensure same-day dispatch. Need help with bulk orders or urgent delivery? Our customer support team is available 18 hours a day to assist.
Why Choose This Sign
When safety and compliance are non-negotiable, the Warning This Site is Dangerous Multi-Message Sign delivers:
- Multi-message format for maximum communication efficiency
- Highly visible design with bold text and standard symbols
- Durable materials suited to all site conditions
- Helps meet legal safety obligations for construction sites and work zones
- Supports a safety-first culture with clear, consistent messaging
Perfect for site managers, health and safety officers, and procurement teams looking to enhance visibility and control risk on active job sites.
Order your Warning This Site is Dangerous Multi-Message Signs today and take a proactive step toward a safer, more compliant construction environment. Choose the material that suits your site, select your delivery preference, and secure peace of mind in just a few clicks.