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Measuring the rough opening for a door might not be the most exciting part of your project, but it’s one of the most important. Get it right, and your door will fit like a glove. Get it wrong, and you might end up with a door that sticks, won’t close properly, or has unsightly gaps. 

Whether you're replacing an old door or installing a brand-new one, taking precise measurements will save you time, effort, and potential headaches down the road.

In this guide, we'll walk you step by step on how to measure a rough opening for a door so you can get it right the first time. 

Grab your tape measure, and let's get started!

A rough opening (RO) is the framed space in a wall where a door will be installed. It’s slightly larger than the actual door size to allow room for the door frame, shims, and adjustments.

The above diagram of a rough door opening in a wall frame highlights key structural components. It includes the top plate (horizontal beam at the

Commercial door hardware is the backbone of a building’s security, accessibility, and functionality—but what exactly qualifies as “essential”?

Unlike residential fixtures, commercial hardware must withstand high traffic, meet stringent codes, and adapt to diverse operational demands. Neglecting even one piece can compromise security, disrupt workflows, or escalate long-term costs.

This guide breaks down seven critical types of commercial door hardware, clarifying their purpose, variations, and industry-specific applications.

Ready to move beyond basics? Let’s explore commercial door hardware types that keep your spaces secure, functional, and code-compliant.

Securing entrances and managing access is crucial in commercial spaces. The right types of commercial door hardware ensure safety, compliance, and durability.

Installed through bored holes in the door, cylindrical locks are a go-to choice for offices, classrooms, and interior

Have you ever been confused about door handing? You're not alone! 

A confusing or mislabeled door isn’t just annoying – it’s a costly mistake.

For buyers, especially contractors and facility managers, wrong handing means wasted time, money, and client trust.

So getting it right is essential for selecting and installing the right doors for your space.

But, first… 

Handing on a door refers to the direction in which a door swings open or closes. It's determined by standing on the outside or exterior side of the door and observing which side the hinges are on and which side the handle or knob is on.

Door handing also establishes the mechanics of how hardware integrates with a door’s movement—a detail that impacts everything from fire safety to daily operations. 

Consider these scenarios:

• A hospital’s fire-rated exit door swings inward instead of outward, violating national fire safety codes such as the National Fire Protection Association (NFPA) 80 and delaying

Your building’s security starts at the door. 

Whether you're managing an office, retail space, or industrial facility, choosing the right commercial door lock types is about more than just keeping intruders out—it’s about balancing security, accessibility, and compliance.

From high-traffic entry points to restricted access areas, commercial locks play a crucial role in both protection and ease of entry. They must withstand heavy use, meet safety standards like the Americans with Disabilities Act (ADA), and align with industry regulations such as ANSI A117.1.

But with so many options available, how do you choose the right one? In this guide, we’ll break down the most common commercial door lock types, their best applications, and key factors to consider when selecting the right security solution for your facility.

Understanding the distinct features and capabilities of each lock type is crucial. What works perfectly for a front entrance might be overkill

Did you know that 34% of break-ins happen through the front door?

In many cases, it’s not about brute force—it’s because of a poorly installed door lock or misaligned hardware that weakens security.

A lock isn’t just a piece of metal; it’s the first real barrier against unauthorized entry.

If it’s not installed correctly, it creates gaps that intruders can take advantage of. But when done right, it ensures a secure, seamless fit that protects your space.

This guide will show you how to install a door lock step by step, making sure you get it right the first time—no weak points, no security risks, just a properly fitted lock that does its job.

Let’s break down three critical steps to set the stage for a flawless installation:

Arm yourself with these essentials:

In an industry where tradition often trumps innovation, DoorsForPros stands out as a new-age solution for contractors, builders, and anyone needing hardware for their project. For decades, purchasing hardware meant driving to local distributors, dealing with varying prices, and facing inconsistent product availability. But now, DoorsForPros is here to shake things up, bringing a streamlined, modern approach to an old-school industry.

Why DoorsForPros?

When it comes to sourcing commercial and residential hardware, the old way has always been cumbersome. Imagine this: you’re managing multiple projects across different locations, and each time, you need to find a new distributor. Not only does this take time, but it also introduces uncertainty around product availability and price consistency. With DoorsForPros, we’ve eliminated those obstacles to provide a seamless, consistent ordering experience.

Here’s how we’re making a difference:

1. Consistent Pricing Nationwide

One of the biggest challenges

As a business owner, facility manager, contractor, DIYer, you understand the importance of investing in high-quality hardware to ensure the safety, security, and functionality of your property. However, behind the sleek facade of door locks, hinges, and closers, there are often hidden pains that can wreak havoc on your operations and bottom line. In this blog post, we'll delve into some common pains associated with commercial hardware and offer insights into how to address them effectively.

1. Security Concerns: One of the primary concerns with commercial hardware is security. Low-quality locks and hinges can leave your property vulnerable to break-ins, theft, and unauthorized access. Whether it's outdated technology, compromised integrity, or improper installation, security weaknesses can pose significant risks to your business, employees, and assets.

2. Durability Issues: Commercial hardware is subjected to constant wear and tear from daily use, harsh weather conditions, and heavy foot