Warning This Door Is Alarmed Sign | Hazard Signs
Product Summary
Enhance site safety and comply with regulatory standards using our Warning This Door Is Alarmed Sign. Specifically designed for construction sites, commercial properties, and controlled-access areas, this hazard sign clearly informs staff and visitors that the door is protected by an alarm system. By deterring unauthorised entry or tampering, this sign helps maintain security and prevent accidents in high-risk environments.
Compliant with the Health & Safety (Safety Signs and Signals) Regulations 1996 and aligned with ISO 7010 standards, this warning sign plays an essential role in your overall safety signage system. Whether you’re managing a busy construction site or a secure facility, clear visual communication is critical — and this sign delivers it with bold text and universally recognised symbols.
Integrate this signage alongside other essential hazard signage including danger signs, high voltage signs, toxic hazard signs, and biohazard warnings to create a fully compliant safety system. This sign also complements slippery surface signs in areas where multiple hazards may be present.
Material & Print Options
Our Warning This Door Is Alarmed Sign is available in two durable and professional-grade materials to suit varied installation environments:
- Adhesive Vinyl: Ideal for smooth, clean surfaces. Easy to apply and suitable for indoor environments where tamper resistance is needed.
- 3mm Rigid PVC: A robust option for both indoor and outdoor use. This hard-wearing material withstands harsh conditions, making it perfect for construction sites and industrial settings.
Both material types ensure long-lasting visibility with high-resolution print quality and fade-resistant ink, maintaining legibility even in demanding environments.
Installation Info
Installation of the Warning This Door Is Alarmed Sign is quick and flexible. Please note that fixings are not included, allowing you to choose the most appropriate mounting method for your application — whether that's adhesive backing, screws, or clips.
- For adhesive vinyl: Simply peel and stick to any smooth, clean, and dry surface.
- For 3mm rigid PVC: Mount using screws, cable ties, or other hardware suited to your site conditions.
Delivery & Lead Times
We understand the importance of prompt signage delivery when it comes to meeting safety compliance deadlines. That’s why we offer flexible delivery options:
- Standard Delivery: Dispatched within 5 working days
- Express Delivery Options: Choose from next-day, 48-hour, or 72-hour delivery to meet urgent requirements
Orders placed before the daily cutoff time are processed promptly to ensure fast dispatch. Our dedicated customer support team is available 18 hours a day to assist with any queries related to your order or signage needs.
Why Choose This Sign
The Warning This Door Is Alarmed Sign is a vital component of any effective on-site safety strategy. Here’s why site managers and procurement officers choose this product:
- Regulation-Compliant: Meets ISO 7010 and UK safety signage regulations
- Clear Messaging: Bold, easy-to-read text and symbols deliver instant hazard awareness
- Versatile Placement: Suitable for use in construction zones, warehouses, industrial facilities, and public buildings
- Custom-fit Material Options: Choose between adhesive vinyl or rigid PVC to match your environment
- Part of a Comprehensive Safety System: Works in conjunction with other hazard signs like danger signs, high voltage signs, and biohazard warnings
Take proactive steps to secure your premises and meet safety obligations. Order the Warning This Door Is Alarmed Sign today and promote a safer, more compliant work environment.
Material Weight: Rigid PVC Panel (5mm) – Industrial-grade, impact-resistant substrate suitable for prolonged outdoor deployment on construction and industrial sites.Removable Vinyl Film (180 GSM) – High-tack adhesive for secure placement with clean, residue-free removal, ideal for short-term or rotating safety messaging.Material Surface: Matte, Anti-Glare Coating – Ensures maximum legibility in high-light environments, prevents reflection from site lighting or direct sunlight, and maintains a professional non-shiny appearance.


How long will it take to receive my safety signs?
Our standard delivery time is 5 working days from artwork approval. Express turnaround options are available upon request.
Do you have ready-made designs?
Yes, we have pre-made templates for construction navigation signs, hazard warnings, PPE reminders, directional signs, and more. These can be customised with your logo or wording.
Read More
Can you print custom safety signs?
Yes, you can provide your own design or work with our design team to create a bespoke safety sign.
What materials do you offer?
We offer Rigid 5mm Foam Board for long-term durability and Temporary Adhesive Vinyl Stickers for short-term use.
Are your safety signs weatherproof?
Yes, both materials are UV-resistant and waterproof, suitable for outdoor use in all weather conditions.
What sizes do you offer?
We produce safety signs in standard universal sizes as specified for each type of sign, ensuring compliance and visibility requirements are met.
Do your signs meet UK safety regulations?
Yes, our signs comply with BS EN ISO 7010 standards for workplace safety signage.
Can you add our company logo or brand colours?
Yes, we can customise any sign to include your branding while keeping it compliant with safety standards.
Do you offer bulk discounts?
Yes, we offer tiered pricing for larger orders. Contact us for a customised quote.
How do I place an order?
Select a template or upload your design, choose your material and size, and place your order online. We’ll confirm a proof before printing.