Back to Blog

Types of Fire Sprinkler Systems Used in Commercial Properties


Automatic fire sprinkler safety system and black water cooling supply pipe. Fire Suppression. Fire protection and detector. Fire sprinkler system with red pipes hanging from ceiling inside building.

When a fire starts in your commercial property, every second counts. That’s why you need a well-designed sprinkler system to help contain the flames, limit the damage, and give occupants time to evacuate. But which type of fire sprinkler system do you need? Here are the most common options available from Firetech Sprinkler Corp.

What Is a Fire Sprinkler System?

This automatic fire protection system activates when heat from a fire reaches a specific temperature. In most cases, each sprinkler head operates independently, meaning only the heads exposed to high heat discharge water.

The purpose of a fire sprinkler system is to control a fire in its early stages. The idea is to slow the spread of flames and smoke long enough for occupants to evacuate safely and emergency responders to take over.

Types of Commercial Fire Sprinkler Systems

Commercial systems are carefully designed based on building size, occupancy type, and fire risk. From office buildings and schools to warehouses and manufacturing facilities, every industry has unique requirements. To that end, there are a range of different types of fire sprinkler systems.

Wet Pipe Sprinkler Systems

Wet pipe systems are the industry standard and what most people think of when they picture fire sprinklers. The pipes are filled with water at all times, ready to discharge immediately when a sprinkler head activates.

These systems are reliable, simple in design, and cost-effective to maintain. They are suitable for buildings where temperatures remain above freezing, including offices, retail stores, schools, and healthcare facilities. Fast response times and fewer components make wet pipe systems a popular choice for general applications.

Dry Pipe Sprinkler Systems

Dry pipe systems are designed for spaces where freezing temperatures are a concern. The pipes are filled with pressurized air or nitrogen instead of water.

When a sprinkler head activates, the air pressure in the pipe drops, allowing water to flow. This setup is ideal for unheated warehouses, parking garages, loading docks, and cold storage areas. It takes a few more seconds for water to flow from the head, but dry pipe systems minimize the risk of frozen pipes.

Pre-Action Sprinkler Systems

Pre-action systems add an extra layer of control. Rather than releasing water immediately upon detecting heat, a two-step process must occur.

First, a separate detection system, such as smoke or heat sensors, activates. Then, and only then, will water flow through the system if a sprinkler head senses high heat. This approach reduces the risk of accidental water discharge in sensitive environments, including data centers, museums, archives, and laboratories.

Deluge Sprinkler Systems

In deluge systems, all sprinkler heads open at once, releasing water over a wide area when the system activates. The large volume of water flows rapidly to control aggressive fires. These systems are often reserved for high-hazard commercial applications, such as industrial facilities, chemical plants, and areas where flammable materials are present.

Foam Suppression Systems

Foam suppression systems combine water with a foam concentrate to create a blanket over flammable liquids, controlling vapors and suppressing flames more effectively than water alone. These systems are appropriate for specialized industrial or commercial settings, including fuel storage facilities, aircraft hangars, and manufacturing plants that handle combustible liquids.

Special Hazard Sprinkler Systems

Some facilities require a different approach. Special hazard systems may include water mist, clean agent, or other advanced suppression technologies designed for unique or high-risk fire scenarios.

Each system is designed around the specific conditions inside the building, including what’s stored or used there and how the space operates. Facilities with complex equipment, high-value assets, or specialized processes often benefit from this customized protection.

FAQs


We can design and install all of the types of fire sprinkler systems we mentioned above, including wet pipe, dry pipe, pre-action, deluge, foam suppression, and special hazard systems. Our experienced team can evaluate your commercial property to determine the right system for your needs.

We provide 24/7 emergency fire sprinkler repair services for existing customers that have had their system inspected by our team at least once before.

Our team provides fire sprinkler services throughout Vermont, Northern New Hampshire, and Northeast New York.

Schedule Fire Sprinkler Services for Your Business Today

Fire protection is not one-size-fits-all, and installing the right system makes all the difference. Firetech Sprinkler Corp. has served Vermont, Northern New Hampshire, and Northeastern New York since 1992. As a full-service fire protection contractor, we handle everything from system design and installation to ongoing inspections, testing, and maintenance. We have the experience and regional knowledge to protect your facilities from the unexpected.

Contact us today to schedule fire sprinkler services that will safeguard your business for the long haul.