Glow In The Dark Alarm Will Sound If Door Is Opened Door Sign
Ensure occupants are clearly warned that an alarm will sound if the door is opened with this highly visible Glow in the Dark Alarm Will Sound If Door Is Opened door sign.
• Clearly warns that opening the door will activate an alarm
• Ideal for emergency exits, restricted areas, secure rooms and monitored access points
• Photoluminescent design remains highly visible in darkness and low-light conditions
• Available in Extra Glow in the Dark Self Adhesive (Class C), Extra Glow in the Dark Rigid Plastic (Class C) and Extra Glow in the Dark Rigid Plastic (Self Adhesive Back)
• Reinforces security procedures and improves awareness during power failures

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Product Overview
The Glow in the Dark Alarm Will Sound If Door Is Opened Door Sign provides a clear mandatory warning that opening a designated door will activate an alarm. Manufactured from photoluminescent materials, the sign absorbs natural or artificial light and remains clearly visible in darkness, helping to reinforce security procedures and improve awareness during emergencies or power failures.
Where to Use
- Emergency exits
- Restricted access areas
- Secure buildings
- Monitored doors
- Commercial and public premises
Key Features
- Highly visible photoluminescent design
- Clear mandatory instruction
- Charges using natural or artificial light
- Remains visible during power failures
- Available in multiple glow in the dark material options
Materials & Options
- Extra Glow in the Dark Self Adhesive (Class C)
- Extra Glow in the Dark Rigid Plastic (Class C)
- Extra Glow in the Dark Rigid Plastic (Self Adhesive Back)
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 doors fitted with alarm systems, emergency exits or restricted access points where the warning must be clearly visible.
Is this sign suitable for low-light conditions?
Yes. The photoluminescent material absorbs ambient light and remains visible in darkness, making it ideal for emergencies and power failures.
What does this sign indicate?
It warns that opening the door will activate an alarm, helping to discourage unauthorised access and reinforce site security procedures.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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