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Common Fire Hazards for Construction Environments

Common Fire Hazards for Construction Environments

Construction sites are high risk areas for a number of reasons, many of them obvious. The danger of a potential fire breaking out is definitely one of these, with many construction sites playing host to numerous examples of the three elements required to start a blaze: a source of ignition, a source of oxygen, and a source of fuel.

Fires in these environments can be highly destructive, with damage to materials, delays to construction and risk to life among the consequences. With many occurring each year, it’s important to understand some of the common causes, helping those responsible for safety to avoid fires from breaking out.

Common Hazards

While all construction sites contain fire hazards of some form, those deemed most at risk are areas of refurbishment, demolition or reconstruction. This is due to the prevalence of old electrical cabling or dry wood that could be concealed from the view of the workers. Coupled with the likelihood of sparks from construction work, such as soldering or sawing, all the elements required to start a fire are present.

A wide range of combustible fuels are also present on many construction sites, from fibrous insulating materials and adhesives to timber and plastics. LPG (Liquid Petroleum Gas) is a particular danger. This is used as a fuel across the vast majority of construction sites, largely in bitumen heaters and throughout on-site accommodation. Similarly, the fuel used to power any plant equipment or vehicles on site should be taken into account when construction work is taking place nearby.

Although many construction companies now utilise flame retardant materials, there are still certain scaffold or roof coverings that could potentially end up as fuel in a fire. This is a particular hazard, as coverings are usually in place when the site is vacant, meaning that any fire would go unattended for a longer period, causing greater damage.

Avoiding Hazards

Careful storage of building materials that may be flammable is one major way in which accidental fires can be avoided on construction sites. Similarly, good housekeeping is an effective preventative measure when it comes to reducing fire hazards on site. Not only are combustible elements kept out of harm’s way, but evacuation routes are also kept clear to ensure that all workers can escape in the event of a blaze.

As with any working premises, construction sites should be fully equipped with the necessary tools to both warn against and to fight fire should one occur. Extinguishers should be matched to the potential types of fire that are most likely to break out in that environment.

Arson is always a major fire risk at any commercial premises, and construction environments are no exception. Security is vital throughout the area, from perimeter fences (which also prevent injury to the public) to cameras and guards to monitor otherwise unattended sites.


Construction sites, by their very nature, are high risk areas. Fire hazards are among many dangers that are present during large scale projects, and should be taken all the more seriously because of this. A mix of stringent caution (keeping flammable materials contained, effective housekeeping) and preventative measures (correct extinguisher types, sufficient security measures) is the best way to avoid what could potentially be a disastrous fire.

To discover more about how Scutum South East can help make your construction site fire safe, get in touch with our experienced team today. We can carry out professional fire risk assessments and supply and maintain appropriate fire extinguishers and other fire safety equipment.

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About Scutum South East

Scutum South East is a leading expert in fire safety and security solutions for businesses and organisations located across South East England, including London and Surrey.

From fire alarms, fire extinguishers and fire risk assessments to access control, CCTV and intruder alarm systems – and a lot more besides – we offer a comprehensive range of products and services designed to keep you, your business and your staff and visitors safe.

With decades of industry experience to call on, we’re proud to hold accreditations from leading trade associations and bodies such as British Approvals for Fire Equipment (BAFE), the British Fire Consortium, the Fire Industry Association (FIA) and Security Systems and Alarms Inspection Board (SSAIB).

If you’d like to find out more about Scutum South East, get in touch with our friendly team or explore our products and services on our site.


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