Danger explosive gases no smoking no naked lights multi message safety sign
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Danger Explosive Gases No Smoking No Naked Lights Multi Message Sign

Warns of explosive gases and clearly prohibits smoking and naked lights to reduce fire and explosion risks.

  • Prevents ignition risks by warning of explosive gases and prohibiting flames and smoking
  • Ideal for industrial sites, chemical storage areas, and hazardous environments
  • Bold colours and clear symbols ensure high visibility and quick understanding
  • Available in durable Rigid Plastic (1mm) and Self Adhesive Vinyl options
  • Helps maintain a safe working environment and reduces accident risk
  • 400mm x 300mm
  • 600mm x 450mm
  • Rigid Plastic (1mm)
  • Self Adhesive Vinyl

£5.72 VAT excluded

£5.72 VAT excluded

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  • Product Overview

    This multi-message safety sign combines a clear warning for explosive gases with strict prohibitions against smoking and naked lights. Designed to reduce the risk of fire and explosion, it delivers critical safety instructions in a bold, easy-to-understand format suitable for hazardous environments.

    Where to Use

    • Chemical storage areas
    • Industrial facilities
    • Construction sites
    • Fuel storage zones
    • Workplaces handling flammable gases

    Key Features

    • Clear multi-message safety communication
    • Highly visible colours and symbols
    • Instant recognition of hazards and restrictions
    • Durable construction for long-term use
    • Supports safer workplace practices

    Materials & Options

    • Rigid Plastic (1mm)
    • Self Adhesive Vinyl

    Compliance

    This sign supports compliance with UK health and safety regulations, including:

    • Health and Safety at Work etc. Act 1974
    • Safety Signs and Signals Regulations 1996

    Frequently Asked Questions

    Where should this sign be installed?
    This sign should be installed in any area where explosive gases may be present, particularly near entry points and high-risk zones.

    Is this sign suitable for outdoor use?
    Yes, when produced in appropriate materials, it is suitable for both indoor and outdoor environments.

    What does this sign indicate?
    It warns that explosive gases are present and clearly prohibits smoking and the use of naked lights to prevent ignition hazards.

    MUL.63C-SA

    Trade Discounts

    Rainbow Safety supplies safety signs to trade professionals across the UK.

    Our trade customers include:

    • Fire safety service companies
    • Fire risk assessors and safety consultants
    • Electrical wholesalers
    • Facilities management companies

    Approved trade customers receive:

    • Preferential trade discounts
    • Better margins for reselling safety signs
    • Marketing support to help you sell more signs
    • Access to our full range of safety signs
    Trade Customer Success Story
    “Working with Rainbow Safety has transformed our safety sign sales.”
    Before partnering with Rainbow Safety, our safety sign sales were less than £300 per month.
    With the support and marketing tools provided, our sales have grown to over £3,000 per month.

    Fire extinguisher servicing margins are not what they used to be, so supplying safety signs has become a valuable additional revenue stream for our business. On one warehouse safety survey alone we £5,100 in a single order.

    Previously we were regularly asked to supply safety signs but couldn’t compete with internet prices while maintaining healthy margins. Working with rainbowsafety.co.uk.
    Apply for Trade Discounts
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    Loyalty Rewards

    Rainbow Safety rewards regular customers across the UK who order safety signs on an ongoing basis.

    Examples of our loyalty customers include:
    • Schools and colleges
    • Facilities management companies
    • Contractors and maintenance teams
    • Offices and commercial premises
    Regular Customer Benefits:
    • Preferential pricing for regular customers
    • Free design service for custom safety signs
    • Access to exclusive promotional offers
    • Dedicated account manager if required
    Loyalty Customer Success Story

    “Rainbow Safety has become our go-to supplier for safety signs.”

    We regularly need safety signs for maintenance work, refurbishments and ongoing compliance updates. Since ordering from Rainbow Safety, the process has been straightforward, reliable and cost-effective.

    The loyalty rewards and special offers have helped us save money across repeat orders, while the wide product range means we can usually source everything we need in one place.

    Fast ordering, consistent quality and ongoing rewards have made Rainbow Safety a valuable supplier for our business.

    ✓ Quick Approval   •   No Obligation

    Reviews

    Grade 
    Theodore W

    Excellent warning sign. The multiple safety messages are laid out clearly without being cluttered. Delivery was a little slower than I hoped, but quality is very high. Only knocked off a star because I had to buy separate fixings.

    Grade 
    Oswald

    We’ve used a few safety signs, but this one stands out. The layout is well thought out, the messages are legible from a good distance, and the build quality feels long-lasting. Since installing it, we’ve had fewer warnings about people lighting up or wandering into the wrong area. Very good.

    Grade 
    Wilfred

    Very good sign - clear, bold, and exactly the type of multi-warning board you need in a high-risk gas zone. My only small gripe is that the sign could do with slightly larger screw holes for sturdier mounting, but that’s a minor point.

    Grade 
    Ivor J.

    This is a top-quality sign - the warning is extremely clear, and the multi-message layout works really well. We placed it at our gas storage area, and it’s already helping reduce unsafe behaviour. The material feels tough and durable, exactly what we needed for outdoor use.

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