Professional Danger Signs for Workplaces, Construction Sites & Industrial Premises

Protect employees, contractors and visitors from serious workplace hazards with our comprehensive range of Danger Signs, professionally manufactured to clearly identify high-risk areas, hazardous equipment and potentially life-threatening dangers. Whether you're marking electrical hazards, dangerous machinery, restricted areas, hazardous chemicals or construction risks, our premium danger signs provide clear, highly visible communication to help prevent accidents and improve workplace safety.

Our extensive collection includes electrical danger signs, high voltage signs, machinery danger signs, chemical hazard signs, hazardous area signs, construction danger signs, asbestos warning signs, confined space signs, overhead hazard signs, excavation signs, dangerous goods signs, restricted access signs and general industrial danger signage. Designed using recognised safety colours, internationally recognised symbols and bold, easy-to-read text, every sign helps communicate serious hazards quickly and effectively to employees, contractors, visitors and emergency personnel.

Manufactured in Britain using premium materials and precision printing techniques, our Danger Signs are available in self-adhesive vinyl stickers, rigid PVC board and heavy-duty aluminium composite. Suitable for both indoor and outdoor use, every sign is built to provide excellent visibility, exceptional durability and long-lasting performance in demanding industrial, commercial and construction environments.

Whether you're managing a factory, warehouse, engineering workshop, construction site, utility facility, manufacturing plant, transport depot or industrial premises, our professional range offers danger signage for almost every application. Many of our signs are also available in multiple sizes and selected personalised options, allowing you to create clear hazard identification tailored to your site's specific requirements.

Every sign is manufactured to order by 1st 4 Signs, combining over 20 years of professional sign-making experience with premium materials, precision production and exceptional customer service. Designed to communicate serious hazards clearly and effectively, our Danger Signs help businesses improve workplace safety, support risk management and maintain professional safety standards.

Why Choose Our Danger Signs?

• Manufactured in Britain using premium materials
• Suitable for indoor and outdoor use
• Choice of Self-Adhesive Vinyl, PVC Board or Aluminium Composite
• High-visibility designs using recognised danger symbols
• Durable, weather-resistant and built for demanding environments
• Selected personalised danger signs available
• Bulk order discounts across the range
• Over 20 years of professional sign manufacturing experience

Ideal For

Our Danger Signs are suitable for:

• Factories
• Warehouses
• Engineering Workshops
• Construction Sites
• Manufacturing Plants
• Industrial Estates
• Utilities & Infrastructure
• Chemical Storage Facilities
• Transport Depots
• Distribution Centres
• Energy & Power Facilities
• Farms & Agricultural Premises
• Commercial Premises
• Public Utilities
• Maintenance Contractors