By Sam Wasson
Updated Dec 21, 2022
By Sam Wasson
Updated Dec 21, 2022
There are few holiday decorations as striking and beautiful as the Christmas tree. It acts as a glowing centerpiece for your living room, displaying ornaments and lights for the whole family. However, while beautiful, a real Christmas tree is also a fire hazard and presents a risk of combustion that, while rare, can result in structural damage or worse. According to the National Fire Protection Association (NFPA), from 2016 to 2020, Christmas tree fires resulted in over $12 million in direct property damage, 12 civilian injuries, and two civilian deaths.
In this article, we’ll address the risks associated with a Christmas tree fire, explain how dangerous it is, and go over all the best ways to prevent it.
Christmas tree fires account for only 0.1% of all at-home fires and deaths, but they’re extremely dangerous when they occur. When a Christmas tree catches on fire, you have, on average, less than one minute before the flame begins to leap and spread to other objects. Unfortunately, due to the way Christmas trees are positioned in the home, sitting next to couches, curtains, and on top of rugs, they tend to spread fire quickly and easily.
A Christmas tree on fire burns fast and hot, creating high amounts of heat energy, smoke, and flame very quickly. This rapid and intense combustion is because conifers like the Douglas fir, some of the most popular Christmas tree species, turn into massive piles of kindling once dry. Pine trees are more combustible than other species and tend to burn hotter and faster due to their concentration of resin and sap. Both substances are highly flammable and dangerous when ignited. Pine trees also have a wide, porous surface with many air pockets between branches, creating a system that pulls in oxygen quickly to fuel open flames.
This National Institute of Standards and Technology (NIST) video shows how fast a Christmas tree on fire can spread.
In this video, we can see that in just under 12 seconds, a dry Christmas tree fire can burst from a small spark in its center to an over-5-foot-tall gout of flames and smoke. Then, at 20 seconds, the entire tree is engulfed in flames, creating a flashover and igniting nearby objects only five seconds later.
The root cause of most Christmas tree fires is improper care and maintenance of the tree. Real Christmas trees need to be watered daily, requiring 1 quart of water per inch of the diameter of the tree’s cut end. A typical 7-foot tall real Christmas tree will have a trunk diameter of between 4 and 6 inches, meaning it will need 4 to 6 quarts (one to one and a half cups) of water per day. If not properly watered, a Christmas tree will quickly dry out, becoming little more than a massive pile of kindling.
While a well-watered tree can still catch fire, ignitions are less likely, and the resulting conflagrations will be less intense, less likely to spread, and more easily managed. Compare the difference between a fully dried-out tree and a well-watered tree in the following video:
Several factors can lead to a fire in the presence of a dried tree. According to the NFPA, Christmas trees are most likely to catch fire in the living room, den, or sitting area, with 42% of incidents happening in these locations. Just under half of all Christmas tree fires stem from electrical or lighting equipment like Christmas lights, cords, plugs, lamps, and bulbs. In cases involving electrical objects, many resulted from a short or malfunction. Of all the electrical devices, decorative lights were the most common, involving 17% of all fires.
Other sources include candles, external fire sources, and heating equipment. In these cases, the problem often arises from a dry Christmas tree placed too close to a flame source. For example, since Christmas trees are often placed in dens and close to fireplaces, stray sparks can leap onto a branch causing combustion. Similarly, if a tree is too close to a mantle or coffee table hosting lit candles, and those candles are spilled or knocked over, it can result in a fire.
Preventing your Christmas tree from catching on fire comes down to upkeep, conscious planning, and good fire safety habits. To make your Christmas tree as safe as possible during the holiday season, keep the following holiday safety tips in mind:
A real Christmas tree is a beautiful, fun holiday tradition that the whole family can enjoy decorating. However, if not properly cared for, it can catch fire and cause serious damage, physical harm, or even death. If your Christmas tree catches fire, never try to put out the fire if it’s larger than a small trash can; instead, keep a cool head and get everyone out of the home as quickly as possible. Once safely away from the flames, immediately contact the fire department. But, as long as you keep your tree watered and only use well-maintained holiday lights, you can keep your holidays safe and festive.
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