Danger Highly Flammable Sign
Danger Highly Flammable Sign clearly warns people of highly flammable substances and helps reinforce awareness of fire and explosion risks.
• Alerts people to the presence of highly flammable materials
• Suitable for industrial sites, storage areas and hazardous workplaces
• High-visibility yellow and black design provides clear hazard recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reinforce fire and flammability hazard awareness in designated areas
Product Overview
The Danger Highly Flammable Sign provides a clear warning of highly flammable substances. Featuring a prominent flame hazard symbol and bold “Danger Highly flammable” wording, its high-visibility yellow and black design helps people quickly recognise the hazard and supports improved workplace safety awareness.
Where to Use
- Industrial sites
- Storage areas
- Hazardous workplaces
- Flammable material areas
- Controlled work areas
Key Features
- Clear highly flammable warning
- Recognisable flame hazard symbol
- High-visibility yellow and black design
- Bold wording for quick recognition
- Helps reinforce flammable hazard awareness
Materials & Options
- Rigid Plastic (1mm)
- Rigid Plastic 1mm (Self Adhesive Back)
- Rigid Plastic (2mm)
- Rigid Plastic 2mm (Self Adhesive Back)
- 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?
Install this sign in a clearly visible position where people need to be warned about highly flammable materials or substances.
Is this sign suitable for outdoor use?
Suitability depends on the selected material and installation environment. Choose the appropriate provided material option for the required location.
What does this sign indicate?
It indicates the presence of highly flammable materials and warns people of the associated fire hazard.
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
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.
Loyalty Rewards
Rainbow Safety rewards regular customers across the UK who order safety signs on an ongoing basis.
- Schools and colleges
- Facilities management companies
- Contractors and maintenance teams
- Offices and commercial premises
- Preferential pricing for regular customers
- Free design service for custom safety signs
- Access to exclusive promotional offers
- Dedicated account manager if required
“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.
Reviews
Exactly what we needed to improve the safety signage around our premises. The warning is bold and immediately noticeable.
Purchased for our workshop where flammable materials are kept. Clear, professional and easy to fit.
A very clear warning sign that stands out well in our storage area. Good quality finish and the message can be read easily from a distance.



