Fire Door Keep Locked - A Maintained Fire Door Sign
This Fire Door Keep Locked A Maintained Fire Door Sign reminds people to keep fire doors locked and unobstructed to support effective fire safety procedures.
• Reinforces the instruction to keep fire doors locked and not block or wedge them open
• Suitable for commercial buildings, schools, warehouses and public facilities
• Clear high-contrast colours and text provide excellent visibility and readability
• Available in Extra Glow in the Dark Self Adhesive (Class C), Extra Glow in the Dark Rigid Plastic (Class C), Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Highlights that a maintained fire door can keep fire out for a minimum of 30 minutes
Product Overview
This Fire Door Keep Locked A Maintained Fire Door Sign provides a clear reminder to keep fire doors locked and not to block or wedge them open. Its blue, red and black sections clearly communicate “Fire door keep locked”, “Do not block or wedge open” and that a maintained fire door can keep fire out for a minimum of 30 minutes.
Where to Use
- Commercial buildings
- Schools
- Warehouses
- Public facilities
- Fire doors
Key Features
- Clearly instructs people to keep fire doors locked
- Warns against blocking or wedging fire doors open
- Highlights the purpose of a maintained fire door
- High-contrast colours and clear text provide excellent visibility
- States that a maintained fire door can keep fire out for a minimum of 30 minutes
Materials & Options
- Extra Glow in the Dark Self Adhesive (Class C)
- Extra Glow in the Dark Rigid Plastic (Class C)
- Rigid Plastic (1mm)
- Rigid Plastic (2mm)
- 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 the sign in a clearly visible position on or immediately beside the maintained fire door it relates to.
Is this sign suitable for outdoor use?
Suitability will depend on the selected material option and the installation environment.
What does this sign indicate?
This sign instructs people to keep the fire door locked and not block or wedge it open, while highlighting that a maintained fire door can keep fire out for a minimum of 30 minutes.
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 invoiced £5,100 on a single order.
We can now compete with internet prices and still make a healthy margin.
We were regularly asked to supply safety signs, but struggled to compete with internet prices while maintaining a worthwhile margin.
Working with Rainbow Safety has changed that. We can now offer our customers a competitive range of safety signs while still making a healthy margin for our business.
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
Great value for money and fast delivery. The print is crisp, the material feels robust and the sign looks very professional.
A good quality product that does the job well. I would have preferred a slightly larger version, but it still provides a clear reminder.
Very pleased with this purchase. The sign is durable, easy to read and fits perfectly with our existing fire safety signage.
A sturdy, well-made sign that arrived on time and was exactly as described. The finish is excellent and it stands out well.
Excellent quality sign with clear, professional lettering. It was easy to fit and looks great on our fire door.



