Chip Pan Fire Risks

Monday 22nd July 2024

Chip pans, or deep fat fryers, are the leading cause of injury from home fires in the UK. Nearly 20 people are killed or injured every day by chip pan fires. These cause damage to homes, and severe burns to users.

Why are chip pans dangerous?

Chip pans are dangerous because they use large amounts of heated oil to cook food. Fires can happen if the oil in the pan becomes too hot and catches fire. They can also start if the oil splashes or spills onto the hob. Either of these can happen very quickly, and are very difficult to prevent.

This is incredibly dangerous because cooking oil fats cannot be extinguished with water. Attempting to do so can cause the burning oil to splash and spread, and can even cause explosions. Watch this video to see what happens when water is added to a cooking oil fire.

The risk of chip pan fires becomes even higher when they are used in households with children and pets, by adults who have been drinking, or when they are left unattended.

Water Mist Extinguishers on Class F Fires

Do not try and put out a chip pan fire with a standard water extinguisher, as it can cause splashing. However, small Water Mist fire extinguishers for household or small kitchen use often have F class ratings. Because water mist extinguishers dispense de-ionised water in microscopic droplets through the special nozzle, they prevent splashing. This makes them suitable for use on hot cooking oil.

To extinguish a chip pan fire, apply the fine spray to the blaze in slow circular movements. This allows the curtain of water mist to fall gently onto the surface of the fire without causing the burning oil to splash and spread. The mist also cools the flames to extinguish the fire.

What to do if my chip pan catches fire?

Hot oil in chip pans can quickly catch fire

If your chip pan or deep fat fryer catches fire, do not attempt to put it out with water. Where you have a fire blanket or F Class fire extinguisher in the kitchen, and it the fire is still contained within the pan, you may attempt to extinguish the blaze.

If the fire has already begun to spread, or an attempt to safely extinguish it is unsuccessful, evacuate the building and call the emergency services immediately. Do not stop to collect your belongings – chip pan fires can spread very quickly and you may become trapped in the burning building.

How to use a fire blanket

If you need to use a fire blanket, turn off the heat source if it is possible to do so.
Pull the black dangling tapes downwards to release the fire blanket from its container.
Wrap the corners of the blanket around your hands to protect them from the fire, then place the blanket over the object that is on fire.
Leave the blanket in place until the fire is out and the object is cool.

Read more about how to use a fire blanket.

How to reduce the risk of chip pan fires?

The best way to reduce the risk of chip pan fires is not to use them at all – opting for oven cooked chips or using an air fryer is a much safer option. Particularly if you are under the influence of drugs or alcohol, the safest option is to order takeaway chips.

If a chip pan or deep fat fryer is being used, here are some ways to mitigate the risks:

Read the instructions carefully – ensure you do not over fill the pan
Have a working heat detector in your kitchen, and working smoke alarms throughout your home to alert you to fire quickly – these should be tested regularly
Fit a Class F fire extinguisher – water mist or wet chemical units can be used on chip pan fires
Install a fire blanket in the kitchen

Ensure that the chip pan has the full attention of a responsible adult when in use – this equipment should never be used by children, or adults who are under the influence of alcohol or drugs.

Improving fire safety in the home

Chip pans pose a significant fire risk, causing more than 20 fires a day in the UK alone. However, this is not the only way that home fires can start. To learn more about fire risks in your home, and how to reduce them, use our free Home Fire Safety Check tool. This quick survey provides personalised tips and advice tailored to your home and its occupants.

You can also read more information about cooking oil fires in our blog, or contact our friendly team on 0800 612 6537 for advice about the best fire-fighting equipment for your home.

Protecting Your Home With A Heat Alarm

Tuesday 14th May 2024

Kitchens produce great amounts of steam and smoke when cooking which may set off smoke alarms, therefore heat alarms are advised instead. The majority of fires in the home are started in the kitchen, making fires in houses without heat alarms go undetected for a much longer period. You miss out on the ability to detect rises in temperature and the sound of an alarm to alert you of a fire.

What does a heat alarm do?

A heat alarm is a type of fire alarm that detects a rapid rise in temperature, rather than the presence of smoke. Heat alarms contain a thermistor that is set to respond to temperatures above 58°C. When heat enters the sensor chamber in the alarm, it triggers the heat alarm to sound, alerting occupants of a fire. A heat alarm serves as a key component in fire safety systems. By alerting occupants to dangerous temperature increases, heat alarms help to reduce the risk of fire-related injuries and property damage, allowing for swift evacuation and intervention measures.

What is the difference between heat alarms and smoke alarms?

Heat alarms and smoke alarms work together to provide the best fire detection system in homes. While smoke alarms are designed to detect the presence of smoke, heat alarms are specifically engineered to respond to rises in temperature. The difference in detection makes heat alarms advantageous in environments prone to smoke exposure, such as kitchens and garages. Unlike smoke alarms, which may sound an alarm in response to smoke from cooking or other non-fire-related sources, heat alarms remain unaffected, reducing the likelihood of false alarms. Smoke alarms (optical alarms) are ideally suited to hallways, landings, living areas and bedrooms where false alarms are unlikely.

Where should I put a heat alarm?

Heat alarms should be installed in places where smoke alarms would be prone to false alarms, such as kitchens and garages. Smoke alarms would detect smoke from cooking in the kitchen and exhaust fumes in the garage, therefore it is wise to have a heat alarm in these areas instead.

Heat alarms will have positioning instructions within the supplied user manual, but ideally should be installed in the centre of the ceiling. It’s recommended to position the heat alarm at least 300mm away from walls and light fittings/decorative objects. This is because air does not circulate effectively in corners, and objects like light fittings can obstruct heat from entering the heat alarm’s sensor chamber.

On a sloped ceiling, the position of a heat alarm should be measured vertically from the peak, and can be installed within 150mm of it. It’s still important to position the detector as central to the ceiling as possible.

Are heat alarms a legal requirement?

In Scotland, all domestic premises are now required by law to have a heat alarm in the kitchen. For the rest of the UK, legal requirements regarding heat alarms vary depending on the type of property and its specific circumstances.

If your home had heat alarms fitted when you moved in or they’re required by building regulations to be fitted as part as an extension or renovation, then you must have heat alarms. Regardless of the law, fitting a heat alarm in the kitchen allows you to have the best level of protection for you and your family in the event of a fire.

What causes “chirping” and false alarms in smoke alarms?

Wednesday 3rd February 2016

This post was written in 2016 and a more recent version exists. Please read our new guide to troubleshooting beeping smoke alarms.

hoovering-alarm If your smoke or heat alarm is beeping or “chirping” in the middle of the night with no obvious reason, you may begin to see it as an annoyance rather than a life saving device.

False alarms and chirping are often alerting you of problems that require attention. There are a number of checks that can be done to help find the cause before seeking further help from the manufacturer or retailer. Below is a step-by-step guide to the possible causes and solutions for false alarms and chirping; however, always refer to the manufacturer’s instructions for your exact smoke or heat alarm model. Additional care should be taken with mains powered alarms, as interference with the alarm can cause electrocution.

1) Are you using the correct type of smoke alarm?

There are three main types of domestic alarms available on the market:

Ionisation Smoke Alarms – Slightly quicker at detecting fast flaming fires than other technologies but usually only installed in upstairs landing areas. If installed near a kitchen, where the occasional toast might get burned, ionisation alarms can cause false alarms. The installation of this alarm near sources of smoke is one of the key reasons for false alarms in daytime.

Optical Smoke Alarms – Slightly quicker at detecting slow smouldering fires that can originate from upholstery type materials and over-heated wiring. Suitable to be installed in bedrooms, living rooms and downstairs hallways. These are fairly ‘toast-proof’ and can be installed near kitchens (not in kitchens, though).

Heat Alarms – Activate when the temperature inside the room reaches a certain trigger level or if the heat in a room rises very quickly. These are ideal in kitchens and garages, as they do not get triggered by fumes. Please note that a heat alarm only covers a small area, so larger kitchens will require several heat alarms.

All types of alarm will sound in the event of a fire; however, understanding more about each sensor technology helps you to select units that are least likely to cause false alarms. Alarms placed in the wrong location will on the other hand cause false alarms, eg if you have a smoke alarm located in the hallway and this sounds each time you use the toaster or boil vegetables, it is likely that you have an ionisation smoke alarm installed rather than an optical.

2) Is the alarm in the optimum position?

The user manual for your smoke or heat alarm will provide advice on where to avoid positioning your alarm on the ceiling. Below are some examples of locations to avoid placing your smoke or heat alarm:

Near fluorescent lights – as electronic “noise” can cause false alarms
In front of air supply ducts for heating or air conditioning, or near ceiling fans
Directly above cookers/toasters/kettles (heat alarm) – although heat alarms are designed not to cause false alarms from cooking fumes, they should not be installed directly above cooking appliances
Within 0.9m (3ft) of the door to a bathroom or shower room (smoke alarm) – steam can cause false alarms

3) Is there dust and/or insects inside the alarm?

Smoke alarms contain a sensor which is used to detect a fire. Over time, dust can build up or small insects/flies can crawl inside the unit, obstruct the sensor and eventually cause false alarms. Cleaning your alarm helps to remove anything that could be blocking the sensor. Wipe the outside of the alarm with a damp cloth, then using a vacuum nozzle or a hair dryer (set on cold), to suck or blow through the openings of the alarm.

4) Have you been decorating nearby?

If decorating, especially sanding, has recently taken place, dust particles or paint fumes could have entered the sensor chamber, causing damage to the unit and therefore causing false alarms. It is recommended to temporarily cover the alarm whilst decorating. Some alarms are supplied with a protective cover, so keep hold of this after installation for any future use. If you suspect decorating may have affected your alarm, try cleaning the unit as described above.

5) Is the temperature causing the alarm to beep?

Smoke alarms have an optimum operating temperature and it is important to ensure that your alarm is not subjected to temperatures above or below these thresholds. Typically, the operating temperature for a smoke alarm is between 0 ˚C to +40 ˚C. If the alarm is positioned where it may experience blasts of hot or cold air e.g. close to a front door, or the ambient room temperature is not constant e.g. in attics, this is when false alarms can occur. It may be necessary to reposition your alarm.

6) Is the alarm at the end of its life?

Each smoke and heat alarm should have a sticker located on the edge or the back of the unit indicating a replace-by date. This is usually ten years after manufacture. If your alarm starts chirping or regularly sounds falsely, it could mean that the alarm is close to, or has reached the end of its life. Check the date to see if the alarm is due to be replaced.

7) Is there a problem with the mains supply?

Mains powered smoke alarms can usually be identified by two LEDs located on the face of the unit. One LED flashes red approximately once a minute to indicate that the unit is operating correctly. The second LED should be constantly green to indicate that mains power is present. If the green LED is not present, this could mean that there is an issue with the mains power getting to the alarm. If needed, advice should be obtained by a qualified electrician.

8) Is the battery running low?

Chirping every 30-40 seconds is generally an indication that the battery is running low. If your smoke or heat alarm has a replaceable battery, try replacing the battery with a brand new one. It is recommended to change the batteries in your smoke and heat alarms every 12 months. Changing your battery before it runs low helps to overcome the annoying chirps at night. Change the batteries when the clocks are changed forward or register for a free email reminder service.

Many smoke and heat alarms are now fitted with a sealed lithium battery, designed to last the life of the alarm. These batteries are not accessible for replacement and so if your alarm starts chirping but has a non-replaceable battery, the alarm may have reached the end of its life. Batteries running low apply to both solely battery powered alarms as well as mains powered units with a back-up battery.

9) Is there another alarm nearby?

If you have tried all the above and you can still hear chirping, the final check is to see if there is another alarm or device within the same area that could be causing the chirp. It is easy to associate chirping with smoke and heat alarms and forget that other devices e.g. carbon monoxide detectors could also contain a battery that is running low.

Safelincs are happy to provide information regarding your smoke and heat alarms. For more information, you can also visit our Smoke Alarm Help Guides page, or contact our customer services team.

Which type of smoke alarm should I use?

Tuesday 8th May 2012

Smoke alarms are the most essential components in any fire safety strategy, whether in commercial or domestic properties.

There is a wide range of smoke alarm models available designed to suit various circumstances. It is therefore important to ensure that you purchase the correct model for your requirements, in order to ensure your smoke alarms operate as efficiently as possible.

Below is a summary of the various smoke alarm models featured on our website:

– Optical smoke alarms are suitable for general use and are especially suitable for detecting smouldering fires caused for example by smouldering soft furnishings. They are also not too sensitive to false alarms from burnt toast, making them ideal in hallways (near kitchens), living rooms and bedrooms.

– Ionisation smoke alarms are able to detect the change in the behaviour of the air in case of a fire. Fast flaming fires, such as burning waste paper baskets, are easily detected by ionisation smoke alarms and we recommend ionisation smoke alarms for use in offices or on landings. Please note that ionisation smoke alarms contain a small amount of radio-activity. If you wish to avoid this, choose optical smoke alarms instead.

– Heat alarms are designed to detect the increase of temperature caused by a fire and do not cause false alarms. They are especially useful in dusty or smoky areas, such as kitchen and garages. They do, however, not cover very large areas, so cannot really be used for larger parts of a building.

– Multi-sensor alarms combine the features of optical and heat alarms, resulting in rapid fire detection and a reduced risk of false alarms. They are suitable for living rooms, bedrooms, hallways and landings but should not be used in kitchens.

If you require further advice on which smoke alarm design is suitable for you, please don’t hesitate to contact us today. We also publish a guide on the different smoke alarm technologies.

For warehouse areas and industrial properties we offer more fire detection technologies and central alarm panle systems.