If you own or manage a commercial property in Nashua, you’ve likely invested in strong deadbolts and quality locks for your doors. But what about the latch itself? For any outward-swinging door, the small space between the door and the frame can create a significant security vulnerability. This gap, however slight, can be exploited by an intruder using a pry bar or other tool to force the latch back and open the door. This is where a simple but incredibly effective piece of hardware comes in: the latch guard. A latch guard, also known as a latch protector or plate, is a metal plate that covers this exposed gap, creating a formidable barrier against prying and tampering.

Understanding the Vulnerability

Take a look at any outward-swinging commercial door. You’ll see the latch bolt from the lock and the strike plate on the frame. The latch is designed to keep the door shut, but it’s not always designed to resist direct, forceful attacks. A criminal with a crowbar can insert it into the gap and apply immense leverage directly onto the latch bolt. In many cases, this is enough to bend or break the latch or the strike, allowing the door to be opened in seconds. This method is quiet, fast, and bypasses your expensive lock cylinder entirely. It’s a common method of forced entry on commercial buildings, from storefronts to back storage rooms.

How a Latch Guard Provides Protection

A latch guard is a straightforward solution to this specific problem. It is a U-shaped piece of heavy-gauge steel that is bolted to the exterior of the door. One side of the guard covers the latch area, while the other side folds over the edge of the door. This simple installation accomplishes two critical things:

It completely covers the gap, physically blocking any tool from being inserted to attack the latch. A pry bar can no longer find purchase.
It reinforces the area around the lock, adding an extra layer of steel that makes a brute-force attack much more difficult.

Latch guards are available in various sizes and configurations to fit different types of locks and doors. They are an essential security feature for any outward-swinging door on a commercial property, including aluminum-frame glass doors, steel utility doors, and back exits. The security industry often promotes a concept of layered security, and as discussed by resources like the Security Industry Association (SIA), hardening physical entry points is the foundational layer. A latch guard is a perfect example of this principle in action.

While the concept is simple, professional installation is key. The guard must be properly sized and securely fastened to the door, often using through-bolts that go all the way through the door for maximum strength. An improperly installed guard can be ineffective or even interfere with the door’s operation. If you’re looking to upgrade the physical security of your business, this is one of the most cost-effective investments you can make. To see if latch guards are right for your property’s doors, we encourage you to contact us.

Professional Latch Guard Installation in Nashua

Don’t leave the most common entry points on your commercial property vulnerable to simple attacks. A latch guard is a small addition that provides a major boost in security and deterrence. For business owners in Nashua, New Hampshire, who want to ensure their doors are properly protected against prying and tampering, the team at Mr. G Lock and Key can help. We provide professional latch guard installation to harden your doors and protect your business.