A Solid Brass UL Listed 20-Minute Fire Door Viewer is a high-quality, durable door viewer designed to be installed on fire-rated doors, allowing people inside a room to safely observe outside activity while maintaining the fire-resistance integrity of the door. Here's a breakdown of its key features:
1. Material:
- Solid Brass Construction: Made from solid brass, this viewer is not only aesthetically appealing but also highly durable and resistant to corrosion. Brass ensures longevity and strength, maintaining its appearance over time, even with frequent use.
2. UL Listing:
- UL Listed (Underwriters Laboratories): This means the product has been tested and certified by UL, a globally recognized safety organization, for its ability to maintain fire resistance under specified conditions. This viewer has passed stringent tests to ensure it does not compromise the fire door's protective properties.
3. 20-Minute Fire Resistance:
- Fire Rating: The viewer has been tested to withstand heat and flame for up to 20 minutes, providing a critical time window for occupants to escape or react to an emergency. It ensures that the door’s fire resistance is maintained even when the viewer is installed.
4. Fire Door Compatibility:
- Designed specifically for use with fire doors, which are built to prevent the spread of flames and smoke between rooms during a fire. The viewer enables safe visibility without compromising the integrity of the door's fire-rating.
5. Lens/Viewing Mechanism:
- Typically includes a wide-angle lens, allowing individuals to safely view the area outside the door. The lens is usually made from heat-resistant material, maintaining clarity even in high temperatures.
6. Easy Installation:
- These door viewers are designed for easy installation in fire doors of various thicknesses, usually requiring a simple drill and the use of mounting hardware that comes with the product.
7. Design:
- A sleek and professional design, often polished for an elegant finish, making it suitable for both residential and commercial applications.
Overall, the Solid Brass UL Listed 20-Minute Fire Door Viewer combines safety, functionality, and aesthetics, offering a reliable solution for ensuring visibility in emergency situations without compromising fire protection standards.
