Page 5 - Doors 101
How Lockdown Hardware Selection Affects AHJ Approval and Campus Security
This guide answers: How School Door Hardware Selection Affects Lockdown and AHJ Approval
How Hardware Selection Affects Lockdown Capability
The selection of door hardware for K-12 schools directly determines whether a facility can execute an effective lockdown. Hardware that does not meet classroom security function requirements — or that requires a teacher to open the door, reach into the corridor, and use a key — creates a critical delay during an active threat event.
The Authority Having Jurisdiction (AHJ) reviews hardware selections during the plan review and inspection process. Hardware that does not satisfy the jurisdiction's lockdown requirements will be rejected, requiring replacement at the contractor's expense.
Classroom Function vs. Classroom Security Function
Standard classroom function locksets require the teacher to use a key from the corridor side to lock the door. This means the teacher must open the
How often do you notice and think about what the door you’re walking through is made of? After this post, you might find yourself thinking about it a bit more.
What are Doors Made of?
Commercial doors can be made with a variety of materials. Most door and frame assemblies are a mixture of materials like wood, metal, and glass. Like these office doors with glass.
Most commercial metal doors, also called hollow metal or steel doors, are made with steel. They aren’t made with stainless steel, but a form of treated carbon steel called galvannealed steel, which shouldn’t be confused with galvanized.
While the doors we call metal or steel aren’t stainless steel, you can find stainless steel doors for high-humidity areas like kitchens. There are also aluminum doors, like our storefront options, which are lightweight and corrosion resistant.
Don’t get confused! Galvannealed vs Galvanized Steel
Galvannealing and galvanizing
In many commercial buildings, doorways need to handle more than everyday foot traffic. Schools, warehouses, hospitals, and office buildings often require entrances that allow equipment, carts, and large groups of people to move through efficiently.
This is where metal double doors are commonly used. Instead of installing one oversized door, two door panels are placed within the same opening. One door handles daily traffic, while the second door can be opened when a wider entrance is needed.
These doors are often referred to as steel double doors because they are typically made from steel as part of a hollow metal door system. Their strength and flexibility make double door configurations a common choice in commercial construction. CDF’s hollow metal door packages are engineered to meet the demands of high‑traffic environments, giving building owners confidence in long‑term performance.
Understanding how these door systems work and where they are typically installed can help
When you’re working on a commercial project, fire-rated doors aren’t optional, they’re essential. They protect occupants, meet code requirements, and help buildings pass inspection. But ordering the right fire rated door can sometimes feel more complicated than it should.
Between fire ratings, hardware requirements, glass limitations, and frame compatibility, there are a lot of details to get right. The good news? It doesn’t have to be difficult.
With CDF’s ProBuilder platform, ordering commercial fire rated doors is more streamlined than ever.
Do you prefer a video? Check out our Fire Rated Doors Explained video at the end of the page.
Understanding What Makes a Fire-Rated Door Compliant
A fire rated door isn’t just a slab. It’s a complete, tested assembly. That includes the door, frame, hinges, closer, and even the glazing kit if the opening includes glass.
Every component must carry the appropriate rating — whether it’s 20, 45, 60, or 90 minutes — and they must be approved to work
When it comes to commercial doors, safety isn’t just a suggestion, it’s the law. But do all doors really need crash bars? From bustling retail spaces to quiet offices, understanding when and why crash bars are required can save lives and keep your business compliant.
A crash bar is a type of door hardware designed to allow quick and easy exit from a building during an emergency. It is usually installed on the inside of commercial or public doors and operated from the inside of an outswing exit door through the use of a crossbar or push rail. It works by simply pushing on a horizontal bar to unlatch the door, enabling people to exit swiftly without turning a knob or using a key. The concept is that only minimal pressure is needed to disengage the latch, and importantly, no twisting or gripping is required.
Building Type and Occupancy Load
Not every commercial door is created equal, and the regulations reflect that. Authorities establish criteria for when crash bars are mandatory, which
Commercial doors might seem like simple barriers, but in reality, they’re tiny traffic managers, safety enforcers, and style statements all rolled into one. Imagine a busy office where a door swings the wrong way, colliding with a wall or blocking a hallway. Choosing the incorrect door handing can create awkward bumps, blocked passageways, and frustrated customers.
Understanding door handing isn’t just a technicality but a vital part of planning any building or renovation project. Due to this, it’s important you understand what door handing is, why it’s so critical for businesses, and the practical tips for selecting the perfect swing for every doorway.
What Is Door Handing?
Door handing refers to the direction a door swings and the side the hinges are on. It determines how people move through your space and how your doors interact with walls, furniture, and traffic patterns. Below are the key types of door handing to consider:
Understanding this ensures doors operate efficiently, reduce
A door that swings freely might seem harmless until it slams shut in a hallway, lets drafts sneak in, or leaves your office vulnerable during an emergency. A door closer is more than just a spring-loaded gadget, but works to ensure your doors close properly every time.
Installing the right door closer can transform a simple doorway into a shield against fire hazards and energy loss. The right closer can protect your employees, visitors, and property while enhancing convenience and efficiency. So are door closers necessary, and if so, how? Let’s explore how they benefit your office.
Understanding Office Door Closers
A door closer is a mechanical device that automatically closes a door after it has been opened. They help the doors open more easily and ensure they won’t create a barrier. While it may seem minor, the benefits go beyond convenience:
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Ensures doors close securely to prevent unauthorized access.
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Helps maintain climate control and reduce energy costs.
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Reduces wear and tear on hinges
When you think of doors, you probably picture wood, metal, or glass simply marking the entryway into a space. But doors can be so much more, and they can actually be
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Champions of sustainability
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Reduce environmental impact
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Protect your building
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Enhancing efficiency.
That’s exactly what Forte, formerly known as Masonite, has been doing for over 90 years. Their focus is innovating with eco-conscious practices while never compromising on strength, beauty, or functionality. This article will explore why Forte commercial doors are not just doors, but statements of responsibility and innovation for your business.
Forte: Innovators in Doors
Forte has earned a reputation as one of the world’s leading manufacturers of interior and exterior doors. Their products can be found in hospitals, schools, retail stores, hotels, and offices across the globe. But what makes them stand out isn’t just their durability, it’s their commitment to green innovation. By choosing Forte commercial doors, businesses
When customers walk into your store, the first thing they see isn’t the display shelves or your front desk, it’s the doorway that welcomes them in. Your storefront doors are more than just an entrance, they provide safety in emergencies and can even help shape your brand’s image.
In short, the right commercial door does more than open and close, but it can protect, secure, and impress all at once. So, how do you make sure your storefront doors are working as hard as you are? Let’s explore the different ways to maximize security and safety without compromising on style.
Choosing the Right Door
Not all doors are created equal. A lightweight or poorly constructed door can be an easy target for intruders. For maximum protection, invest in commercial steel doors that offer durability, fire resistance, and superior strength. Pairing the right frame with the right door also ensures your entryway can handle heavy foot traffic.
However, steel doors can be more expensive than other types of doors,
Navigating the world of commercial doors can feel overwhelming. Knowing the type of doors you need, whether it’s steel doors, wood doors, or fire-rated doors, and what the required measurements and specifications are, can add up quickly.
Before, ordering online often meant long phone calls with experts just to get a single quote. But CDF Distributors listened to these complaints and responded. The newly revamped website makes exploring, quoting, and ordering commercial doors faster and more intuitive than ever.
What You Can Do on the New CDF Commercial Door Website
- Get instant quotes for commercial steel doors, commercial wood doors, and commercial door frames
- Configure fire rated doors, door hardware, and complete door and frame packages online
- Compare commercial hollow metal doors, wood doors, storefront doors, and specialty doors
- Access commercial door installation guides, measuring resources, and product videos
- Order commercial doors online with nationwide shipping and contractor