Skip to content When it comes to ensuring safety in commercial and industrial buildings, rim exit devices are a crucial component. These devices are designed to allow quick and easy egress in emergency situations while maintaining the security of the building.
In this guide, we’ll delve into everything you need to know about rim exit devices—from their types and installation to the latest trends and innovations.
What Is A Rim Exit Device?
A rim exit device, also known as a panic bar or crash bar, is a door-mounted safety mechanism that allows people to exit a building quickly and easily in case of an emergency. Typically found on exterior doors in commercial settings, rim exit devices are mounted on the surface of the door and feature a bar that, when pushed, retracts the latch to open the door.
Why Are Rim Exit Devices Important?
The primary importance of rim exit devices lies in their ability to facilitate a swift and unobstructed exit during emergencies, such as fires or security threats. These devices are designed to comply with building codes and fire regulations, ensuring that doors equipped with them are always operable from the inside, regardless of whether they are locked from the outside.
Types of Rim Exit Devices
Rim exit devices come in various forms, each suited to specific door types and installation needs. Understanding these variations can help you choose the right device for your application.
Single Door vs. Double Door Applications
• Single Door Rim Exit Devices:
These are designed for use on single doors. The device is mounted on the interior side of the door, and when the bar is pressed, it retracts a latch that secures the door to the frame.
• Double Door Rim Exit Devices:
For double doors, rim exit devices can be used on both doors, but they must be coordinated to work together. In some cases, one door will have the rim exit device, while the other will have a strike plate.
Rim Exit Devices vs. Other Exit Devices
• Rim Exit Devices:
Mounted on the surface of the door and using a latch that engages with the strike plate on the door frame, these devices are easy to install and maintain.
• Vertical Rod Exit Devices:
These devices use rods that extend vertically into the top and bottom of the door frame, making them suitable for double doors or situations where additional security is required.
• Mortise Exit Devices:
Installed inside the door itself, mortise exit devices are less visible but more complex to install. They are often used in applications where aesthetics and security are equally important.
Material and Design Considerations
The material and design of a rim exit device play a significant role in its durability, performance, and suitability for different environments.
Material Types
• Stainless Steel:
Known for its corrosion resistance, strength, and longevity, stainless steel is a popular choice for rim exit devices, especially in environments exposed to moisture or harsh chemicals.
• Aluminum:
Lightweight yet durable, aluminum rim exit devices are often used in commercial settings where frequent use is expected. They offer a balance between cost and performance.
• Brass
While less common, brass offers a unique aesthetic appeal, making it suitable for high-end installations where appearance is a priority.
Design Features
• Weather Resistance:
For exterior doors, choosing a rim exit device with weather-resistant features, such as seals and corrosion-resistant materials, is essential to ensure long-term functionality.
• Fire Ratings:
Many rim exit devices are fire-rated, meaning they are designed to withstand high temperatures for a certain period. This is crucial in buildings where fire safety is a top concern.
• Aesthetics:
While functionality is key, the appearance of the rim exit device can also matter, especially in high-traffic areas where the device is visible. Many manufacturers offer a range of finishes to match the building’s decor.
Installation and Maintenance
Proper installation and maintenance of rim exit devices are critical to ensuring their reliable operation in an emergency.
Installation Guidelines
• Pre-Installation Considerations:
Before installing a rim exit device, ensure that the door and frame are compatible with the device you’ve chosen. Check for any existing door hardware that might interfere with installation.
• Installation Steps:
1. Positioning: Mount the device at the correct height, typically around 34 to 48 inches from the floor.
2. Drilling Holes: Carefully drill the necessary holes in the door and frame, following the manufacturer’s template.
3. Mounting the Device: Secure the device to the door using the provided screws or bolts, ensuring it is firmly attached.
4. Testing: Once installed, test the device to ensure it operates smoothly and engages with the strike plate correctly.
• Common Installation Challenges:
Misalignment: Ensure the device and strike plate are properly aligned to avoid operational issues.
Interference with Existing Hardware: If other door hardware is present, adjustments may be needed to ensure compatibility.
Maintenance Tips
• Regular Inspections:
Periodically check the rim exit device for signs of wear and tear. Ensure the latch mechanism is functioning properly and that the bar moves freely without sticking.
• Lubrication:
Apply a light lubricant to moving parts to keep the device operating smoothly. Avoid using heavy oils that can attract dirt and debris.
• Replacement of Worn Parts:
Over time, parts such as springs, latches, and bars may wear out. Replace any worn or damaged components promptly to maintain the device’s reliability.
Certifications and Compliance
Rim exit devices must meet specific standards and certifications to ensure they provide the necessary safety and security.
Fire Rating Certifications
• Understanding Fire Ratings:
A fire-rated rim exit device is designed to maintain its integrity during a fire for a specified period, typically 30, 60, or 90 minutes. This rating is crucial in buildings where fire safety is paramount.
• Importance of Certification:
Devices with UL (Underwriters Laboratories) or other recognized certifications have undergone rigorous testing to ensure they meet safety standards. Always choose a certified device to ensure compliance with local building codes.
Building Code Compliance
• Compliance with Local Regulations:
Building codes often dictate specific requirements for exit devices, including the type of device, fire ratings, and installation height. Ensure the rim exit device you choose complies with these regulations to avoid penalties and ensure occupant safety.
• ADA Compliance:
The Americans with Disabilities Act (ADA) requires that exit devices be accessible to all individuals, including those with disabilities. This includes ensuring the device can be operated with minimal force and is within reach of wheelchair users.
Applications and Use Cases
Rim exit devices are versatile and can be used in a variety of settings. Understanding where and how they are commonly used can help you choose the right device for your needs.
Commercial and Industrial Applications
• Office Buildings:
In office settings, rim exit devices are often installed on exterior doors to allow quick evacuation during emergencies. Their robust construction makes them ideal for high-traffic areas.
• Schools and Universities:
Schools require reliable exit devices that can withstand frequent use. Rim exit devices are commonly found on classroom doors and exits, providing security while ensuring safe egress.
• Hospitals:
In healthcare facilities, safety is paramount. Rim exit devices help ensure that exits are always accessible, even during power outages or emergencies.
Specialized Use Cases
• High-Security Areas:
For areas that require enhanced security, such as data centers or financial institutions, rim exit devices can be paired with electronic access control systems to provide both security and emergency egress.
• Harsh Environments:
In industrial settings or outdoor applications, rim exit devices made from corrosion-resistant materials, such as stainless steel, are essential to ensure longevity and reliability.
Choosing the Right Rim Exit Device
With so many options available, selecting the right rim exit device can be challenging. Here are some factors to consider to help you make the best choice.
Factors to Consider
• Door Type:
Ensure the rim exit device you choose is compatible with the type of door you have, whether it’s wood, metal, or glass.
• Location:
Consider whether the device will be used on an interior or exterior door. Exterior doors may require weather-resistant features.
• Frequency of Use:
High-traffic areas may require a more durable device with a higher cycle rating to withstand frequent use.
• Budget:
While cost is always a factor, it’s important not to compromise on quality. Investing in a high-quality rim exit device can save money in the long run by reducing maintenance and replacement costs.
Additional Features
• Alarm Integration:
Some rim exit devices come with built-in alarms that sound when the door is opened. This can be useful in retail or security-sensitive environments.
• Delayed Egress:
For areas where immediate exit needs to be controlled, consider a device with a delayed egress feature. This provides a short delay before the door can be opened, allowing time to address the situation.
Trends in Rim Exit Devices
As technology advances, rim exit devices are evolving to meet new demands. Staying informed about these trends can help you choose a device that’s not only functional but also future-proof.
Innovations and New Technologies
• Smart Exit Devices:
The integration of IoT (Internet of Things) technology in rim exit devices allows for remote monitoring and control. Building managers can now receive alerts if a door is left open or if the exit device is tampered with, enhancing security and operational efficiency.
• Biometric Access Control:
Some rim exit devices are now compatible with biometric access control systems, such as fingerprint scanners or facial recognition. This adds an extra layer of security, ensuring that only authorized personnel can open the door, even in non-emergency situations.
• Energy-Efficient Models:
With a growing emphasis on sustainability, manufacturers are developing energy-efficient rim exit devices that consume less power when integrated with electronic access systems. These devices are designed to meet green building standards, making them an attractive option for environmentally-conscious projects.
Case Studies or Testimonials
Real-life examples can provide valuable insights into the effectiveness and reliability of rim exit devices. Including case studies or testimonials from satisfied customers can help build trust and demonstrate the practical benefits of these devices.
Case Study: Ensuring Safety in a High-Traffic School
A large public school recently upgraded its security system by installing rim exit devices on all exterior doors. The decision was driven by the need for reliable, easy-to-use exits that could withstand the daily wear and tear of thousands of students and staff. The school chose stainless steel rim exit devices for their durability and fire-resistant properties. Since installation, the school has reported a significant improvement in safety, with faster evacuation times during drills and fewer maintenance issues.
Testimonial: Peace of Mind for a Small Business Owner
“Installing rim exit devices on the doors of my retail store has been one of the best decisions I’ve made for my business. Not only do they comply with local fire codes, but they also provide an added sense of security. I opted for devices with built-in alarms, and it’s reassuring to know that I can quickly respond if someone tries to exit through a back door without authorization. I highly recommend these devices to any business owner who prioritizes safety and security.” – Jane D., Retail Store Owner
Conclusion
Rim exit devices are a critical component of any building’s safety and security system. Whether you’re outfitting a commercial space, a school, or an industrial facility, choosing the right rim exit device can make a significant difference in both everyday operations and emergency situations.
When selecting a rim exit device, consider the specific needs of your building, including the type of doors, frequency of use, and environmental conditions. Pay attention to certifications and compliance with local regulations to ensure that your building meets safety standards.
As technology continues to advance, staying informed about the latest trends and innovations in rim exit devices can help you choose a solution that not only meets your current needs but is also prepared for the future.
For those seeking reliable, high-quality rim exit devices, DORTEC offers a range of options designed to meet the demands of any application. With 15 years of experience in manufacturing push bars and lever handles, DORTEC Hardware is committed to providing products that combine safety, security, and ease of use. Contact us today to learn more about our products and how we can help you enhance the safety of your building.
