Fire Sprinkler System Types in St. George Properties

Key Takeaways

1. Fire sprinkler system types protect both people and property by controlling fires before they spread.

2. Different fire sprinkler system types suit different building designs and risks.

3. Licensed plumbers handle the safe installation, testing, and maintenance of these systems.

4. Local experience in St. George ensures tailored solutions for both homes and businesses.

Typically between 100–150 psi (700–1000 kPa), depending on codes and building type.

Fire doesn’t wait for the right time to strike. It can break out in the middle of the night, while you’re cooking, or during business hours when your shop is full of customers. That’s where a fire sprinkler system steps in—it activates quickly and stops flames before they get out of control.

If you’re in St. George or nearby suburbs like Kogarah, Hurstville, or Rockdale, having the right fire sprinkler system for your property isn’t just smart—it’s essential. At All Needs Plumbing, we’ve helped countless homeowners and business owners choose and maintain the system that best fits their building. From a simple wet pipe setup in a residential home to a complex deluge system in a warehouse, we’ve seen it all and know what works locally.

Types of Fire Sprinkler Systems

Wet Pipe Systems

The go-to option for most St. George homes and small businesses. These systems always have water in the pipes, so the sprinklers respond instantly when heat triggers them. They’re affordable, dependable, and low-maintenance.

Dry Pipe Systems

Instead of water, these pipes contain air or nitrogen until the system is triggered. They’re ideal for unheated spaces like car parks, loading docks, or storage facilities where freezing might damage wet systems.

Deluge Systems

These provide a heavy spray of water across the entire protected area at once. We usually recommend them for high-risk industrial sites, such as factories handling chemicals or fuel storage. They’re designed for fast, large-scale protection.

Pre-Action Systems

Think of these as extra cautious systems. They need two triggers before water is released—perfect for areas with sensitive equipment or valuables like museums, galleries, or data centres.

Pro-Tip: Don’t assume one system will cover all your needs. If you own a mixed-use property in St. George—say, a shop with storage upstairs—you may need a combination of system types. Having the wrong one could mean higher risks and costly repairs later.

Fire Sprinkler Systems by Building Type

Residential Buildings

Houses, duplexes, and apartment complexes benefit most from wet pipe systems. They’re quick, affordable, and reliable in emergencies.

We recently worked with a family in Kogarah who had a close call when a small stovetop fire spread to their cabinets. After that, they wanted more than just smoke alarms—they asked us to install a wet pipe system. Today, they’re more confident knowing their home is better protected.

Commercial Buildings

Retail shops, office buildings, and restaurants in St. George have stricter requirements under NSW regulations. Sprinkler zoning, integration with alarms, and system complexity all come into play. If you’re running a café, you’ll likely need something simple, while a large office block may need multiple zones.

Industrial Facilities

Industrial properties, such as factories and warehouses, demand specialised solutions. These sites often handle hazardous goods, making deluge or dry pipe systems a safer choice. These setups ensure fast and complete coverage in case of a fire, protecting workers, stock, and the building itself.

High-Rise Buildings

High-rises and multi-storey apartments come with added challenges. Sprinkler systems must work hand-in-hand with standpipes and pumps to ensure water pressure is strong enough to reach upper floors. We’ve handled projects in high-density parts of St. George where zoning and pressure management made all the difference.

Healthcare and Educational Facilities

Hospitals, aged care homes, schools, and childcare centres must meet stricter fire safety codes. Pre-action systems or specialised wet systems are often required. Regular testing is also mandatory to keep people safe.

Pro-Tip: If you manage a school or healthcare facility, plan your sprinkler maintenance outside peak times. It keeps disruptions to a minimum while ensuring everything stays compliant.

Key Components of Fire Sprinkler Systems

Every system, no matter the type, includes a few key components:

1. Sprinkler heads – Upright, pendant, or sidewall designs make sure water covers every angle of a room.

2. Piping and water supply – A strong, reliable flow is critical for the system to work correctly.

3. Control valves and alarms – These allow you to monitor the system and receive alerts when something activates.

When these parts work together, you’ve got a system that stands ready to protect your property around the clock.

Maintenance and Testing of Fire Sprinkler Systems

Fire sprinklers are not “install and forget.” To stay effective, they need regular care. Here’s what we usually check during a visit:

1. Inspecting valves, pumps, and water pressure.

2. Checking for leaks, corrosion, or damage in the pipes.

3. Testing the flow of water through the system.

4. Making sure alarm connections are working.

In St. George, we’ve encountered numerous instances where minor issues—such as a clogged head or faulty valve—could render the entire system ineffective in an emergency. Professional checks stop these problems before they become dangerous.

Building-Specific Considerations

Every building in St. George and NSW comes with its own quirks. Heritage buildings might need customised layouts to avoid damaging original features. Modern developments often want their sprinklers tied into smart systems.

Our job is to make sure your fire sprinklers don’t just pass compliance—they fit seamlessly into your building’s existing plumbing so you’re protected without headaches.

FAQs About Fire Sprinkler System Types

What are the three main types or positions of fire sprinkler heads?

Upright, pendant, and sidewall heads. Each is designed to spread water effectively in different layouts.

What is the standard for fire sprinkler systems?

In Australia, the AS 2118 series sets the rules for design, installation, and testing.

How many fire sprinkler heads per zone?

Most systems have 20–40 heads per zone, depending on design and building needs.

What is a standpipe system?

It’s a vertical water supply system that works with sprinklers in high-rise buildings, providing easy access for firefighters.

What is the ideal water pressure for sprinklers?

Typically between 100–150 psi (700–1000 kPa), depending on codes and building type.

What if I need services for different types of fire sprinkler systems?

No matter the type of property you own—whether it’s a home, a shop, a warehouse, or a high-rise—All Needs Plumbing can service and install all kinds of fire sprinkler systems. We’ve worked across St. George and nearby suburbs, tailoring solutions that match the risks, layout, and safety requirements of each building.

At All Needs Plumbing, we keep things simple for you. We offer a $0 callout fee, 24/7 same-day service, and a 15% seniors’ discount for our community. Plus, if you’re upgrading your hot water system, you’ll save $150. With us, you get reliable fire protection and trusted plumbing expertise whenever you need it. Contact us for more info.

Available 24/7 For Emergency

1300 110 230 Get a Free Quote