Fire Door Keep Locked Aluminium Sign
Ensure fire doors remain securely locked with this premium aluminium Fire Door Keep Locked sign.
• Clearly instructs that fire doors must be kept locked when required
• Ideal for offices, schools, commercial buildings, industrial sites and public premises
• Bold white text on a blue mandatory symbol provides excellent visibility
• Available in Aluminium (Self Adhesive Backing) and Aluminium (Pre Drilled Holes)
• Supports fire safety procedures and helps maintain effective fire compartmentation
Product Overview
The Fire Door Keep Locked Aluminium Sign provides a clear mandatory instruction reminding occupants that designated fire doors must remain locked when required. Manufactured from durable aluminium with a professional finish, this sign is designed for long-lasting performance while helping maintain fire compartmentation and supporting fire safety procedures in commercial, industrial and public environments.
Where to Use
- Office buildings
- Schools and colleges
- Commercial premises
- Industrial facilities
- Public buildings
Key Features
- Premium aluminium construction
- Clear mandatory fire safety message
- Bold white text on a blue background
- Suitable for designated fire doors
- Available with self-adhesive backing or pre-drilled fixing holes
Materials & Options
- Aluminium (Self Adhesive Backing)
- Aluminium (Pre Drilled Holes)
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 it directly on or adjacent to designated fire doors where the instruction can be clearly seen by staff, visitors and building occupants.
Is this sign suitable for long-term use?
Yes. The aluminium construction provides excellent durability and is designed for long-lasting performance in commercial and public environments.
What does this sign indicate?
It provides a mandatory instruction that the designated fire door must be kept locked to support fire safety procedures and maintain effective fire compartmentation.
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
Very smart looking aluminium sign with sharp print and excellent visibility. It has improved awareness around our restricted fire door areas.
The sign does exactly what we needed for our workplace safety requirements. Packaging could have been slightly better, but the product itself is decent.
Good quality sign that was easy to install and highly visible. The material feels durable, although delivery took a little longer than expected.
Excellent aluminium fire door sign with very clear wording and a premium finish. It feels sturdy and looks highly professional once mounted.




Reliable and well-made sign that feels suitable for long-term indoor use. Arrived securely packaged and looks great once fitted.