*Please make your selection for each variant.
Base price starts with smallest size, Polymetal, & Reflective Hi-Intensity. Price will show after all variants have been selected.
| Quantity | Discount | Price |
|---|---|---|
| 3-5 | 10% | $23.24 |
| 6-9 | 12.5% | $22.60 |
| 10-24 | 15% | $21.95 |
| 25-49 | 17.5% | $21.30 |
| Qty. | 3–5 | 6–9 | 10–24 | 25–49 |
|---|---|---|---|---|
| % Off | 10% | 12.5% | 15% | 17.5% |
Notice Security Alarm Metal Sign for Doors is the ideal solution to protect your property and maintain safety. This bold, easy-to-read sign alerts anyone that a security alarm will sound if the door is opened, ensuring compliance and deterring unauthorized access. Made from heavy-duty aluminum, this metal sign is rust-proof, weather-resistant, and designed for long-lasting outdoor and indoor use.
Perfect for businesses, warehouses, offices, and commercial properties, this Notice Security Alarm Sign provides a professional appearance while effectively communicating security measures. The crisp lettering and vibrant design make it highly visible, even from a distance. By displaying this sign, you increase awareness, reduce risks, and enhance overall security.
At Sign Cat, quality and durability come first. Our signs are manufactured in the USA, ensuring top-notch craftsmanship and compliance with industry standards. Whether you need signage for safety, compliance, or liability reduction, this security alarm metal sign is a reliable choice.
Equip your property with a Notice Security Alarm Will Sound if Door is Opened Metal Sign today and maintain peace of mind with clear communication and trusted quality from Sign Cat.
Stay in the know with Sign Cat! Subscribe to our newsletter for exclusive offers, new sign designs, and the latest insights into our product offerings.
Sign Cat is Your Trusted Source for High-Quality, Low-Priced Metal Signs with a Wide Range of Subject Categories to Choose From. You can also Design Your Own with Sign Cat’s Custom Sign Builder! Choose excellence with Sign Cat.
Copyright © 2025 SignCat.co
Increase the lifespan and performance of your signs with Sign Cat’s Overlaminate.
Generally best for:
• Non-critical signage
• Commercial signage
• Walk-up signage
• Most parking lot signs
Meets and exceeds ASTM D4956 Type 1 specification, with Class-I adhesive.
Generally best for:
• Most traffic signs
• Fire/Exit signs
• Street name signs
• ADA signage
Three times brighter than EG. Guaranteed to retain at least 80% of its original specified brightness, even after IO years. Excellent for maintaining FHWA • required levels of
retroreflectivity.
Generally best for:
• The most critical situations,
i.e. dangerous intersections,
notoriously bad weather,
work zones, etc.
• School, Children, and
Pedestrian signage
The brightest sheeting available, three times brighter than High Intensity and up to ten times brighter than EG.
The highest level of retroreflectivity available, it is ideal for complex night-time conditions.
Similar Reflectivity from Varying Distances
• 500 ft. visibility range
• 7 year warranty
• 1,000 ft. visibility range
• 10 year warranty
• 500 ft. visibility range
• 7 year warranty