{"id":503666,"date":"2021-11-17T15:53:58","date_gmt":"2021-11-17T19:53:58","guid":{"rendered":"https:\/\/firefighternow.com\/?p=503666"},"modified":"2021-11-17T15:54:01","modified_gmt":"2021-11-17T19:54:01","slug":"do-fire-extinguishers-expire-surprisingly-yes","status":"publish","type":"post","link":"https:\/\/firefighternow.com\/do-fire-extinguishers-expire-surprisingly-yes\/","title":{"rendered":"Do Fire Extinguishers Expire?\u00a0Surprisingly, yes!"},"content":{"rendered":"\n<p>If your home is like many in the United States, then it has a fire extinguisher. Maybe the extinguisher was already there when you moved in, or perhaps you recently furnished your home with one. You haven\u2019t had to use it, thank goodness, but if you ever did, would it work? Can fire extinguishers expire?<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"400\" src=\"https:\/\/firefighternow.com\/wp-content\/uploads\/2021\/11\/do-fire-extinguishers-expire.jpeg\" alt=\"\" class=\"wp-image-503667\" srcset=\"https:\/\/firefighternow.com\/wp-content\/uploads\/2021\/11\/do-fire-extinguishers-expire.jpeg 300w, https:\/\/firefighternow.com\/wp-content\/uploads\/2021\/11\/do-fire-extinguishers-expire-225x300.jpeg 225w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/div>\n\n\n\n<p><strong>Fire extinguishers can expire. Dry chemicals within the extinguisher last anywhere from six to 12 years. Your fire extinguisher might still work after that, but not as well. That\u2019s why it\u2019s a good idea to buy a new extinguisher every five to 15 years.&nbsp;<\/strong><\/p>\n\n\n\n<p>In this article, we\u2019ll talk further about whether fire extinguishers expire and how often to replace yours. We\u2019ll also share some signs that you need a new extinguisher, so make sure you keep reading!&nbsp;<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6615e17b0cd8b\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6615e17b0cd8b\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/firefighternow.com\/do-fire-extinguishers-expire-surprisingly-yes\/#Why_Do_Fire_Extinguishers_Expire\" title=\"Why Do Fire Extinguishers Expire?\">Why Do Fire Extinguishers Expire?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/firefighternow.com\/do-fire-extinguishers-expire-surprisingly-yes\/#Understanding_the_Manufacturing_Date_on_Fire_Extinguishers\" title=\"Understanding the Manufacturing Date on Fire Extinguishers&nbsp;\">Understanding the Manufacturing Date on Fire Extinguishers&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/firefighternow.com\/do-fire-extinguishers-expire-surprisingly-yes\/#How_Often_Should_You_Replace_Your_Fire_Extinguisher\" title=\"How Often Should You Replace Your Fire Extinguisher?\">How Often Should You Replace Your Fire Extinguisher?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Do_Fire_Extinguishers_Expire\"><\/span><strong>Why Do Fire Extinguishers Expire?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A fire extinguisher is not like a box of crackers or a jar of peanut butter in that it has a clear expiration date printed somewhere on it. That would be convenient, but it\u2019s just not how extinguishers work.<\/p>\n\n\n\n<p>At best, you might be able to deduce the age of the fire extinguisher through the manufacturing label, which is something we\u2019ll talk more about in the next section.&nbsp;<\/p>\n\n\n\n<p>Even if your fire extinguisher has no manufacturing date, that doesn\u2019t mean it lasts forever. Fire extinguishers can expire. To help you understand how it happens, let\u2019s <a href=\"https:\/\/firefighternow.com\/the-4-stages-of-fire-explained-by-a-firefighter\/\" target=\"_blank\" rel=\"noopener\">explain briefly how fire<\/a> extinguishers work.<\/p>\n\n\n\n<p>Fire extinguishers are full of a dry chemical that\u2019s usually powder-like. The powder can eliminate the facets of the fire triangle or a combustion triangle. Fire triangles encompass three ingredients, so to speak, that can spark a fire. Those are oxygen, heat, and fuel.<\/p>\n\n\n\n<p>The dry chemicals tamp down all three. Here are some dry <a href=\"https:\/\/firefighternow.com\/are-fire-extinguishers-toxic-will-the-chemicals-hurt-me\/\" target=\"_blank\" rel=\"noopener\">chemicals that are added to fire extinguishers:<\/a><\/p>\n\n\n\n<ul><li>PYROKYL or MET-L-KYL, a sodium bicarbonate variation<\/li><li>Foam-compatible, which is a dry chemical with sodium bicarbonate<\/li><li>Potassium chloride, aka Super-K<\/li><li>Urea Complex and potassium bicarbonate, referred to as Monnex, for class B and C fires<\/li><li>Potassium bicarbonate with Purple-K as a constituent, which can also combat class B and C fires&nbsp;<\/li><li>Sodium bicarbonate, which too is for class B and C fires<\/li><li>Monoammonium phosphate or ABC dry chemical, as it can <a href=\"https:\/\/firefighternow.com\/will-salt-put-out-a-fire\/\" target=\"_blank\" rel=\"noopener\">put out class A fires<\/a> too<\/li><\/ul>\n\n\n\n<p>If class D fires are a risk\u2013which are fires started by combustible metals\u2013then a different type of dry powder will be used in a fire extinguisher. Here\u2019s that list:<\/p>\n\n\n\n<ul><li>Ternary eutectic chloride or T.E.C, which includes barium chloride, potassium, and sodium<\/li><li>Sodium-carbonate-based powder or Na-X for stainless steel equipment and piping in which sodium chloride would be too damaging<\/li><li>Graphite-based powder such as Chubby Pyromet, Lith-X, G-1, and G-Plus with dry graphite<\/li><li>Copper-based powder, including Copper Powder Navy 125S<\/li><li>Sodium chloride power such as Pyrene Pryomet, M28, Met-L-X, and Super-D<\/li><\/ul>\n\n\n\n<p>If not a dry chemical, then fire extinguishers will include foam. The foam comes out one of two ways: non-aspirated or aspirated. Aspirated foam refers to that which is added to a branch pipe and then combined with air to expand it.&nbsp;<\/p>\n\n\n\n<p>The types of foam used in fire extinguishers include:<\/p>\n\n\n\n<ul><li>Cold Fire, a cooling wetting agent&nbsp;<\/li><li>FireAde, which can emulsify a liquid as it burns<\/li><li>Arctic Fire, which also emulsifies heated materials<\/li><li>Compressed air foam system or CAFS<\/li><li>Film-forming fluoroprotein or FFFP with animal byproduct proteins<\/li><li>Alcohol-resistant aqueous film-forming foams or AR-AFFF<\/li><li>Aqueous film-forming foam or AFFF, which is for class A and B fires&nbsp;<\/li><\/ul>\n\n\n\n<p>Some fire extinguishers use halons, others water additives such as antifreeze or wetting agents, and more still will use water, from mist to air-pressurized water to pump-type water.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"400\" src=\"https:\/\/firefighternow.com\/wp-content\/uploads\/2021\/10\/fire-extinguisher-on-wall.jpeg\" alt=\"\" class=\"wp-image-503410\" srcset=\"https:\/\/firefighternow.com\/wp-content\/uploads\/2021\/10\/fire-extinguisher-on-wall.jpeg 300w, https:\/\/firefighternow.com\/wp-content\/uploads\/2021\/10\/fire-extinguisher-on-wall-225x300.jpeg 225w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/div>\n\n\n\n<p>The products in fire extinguishers, from foams to dry powder, are not infinite. As we touched on in the intro, dry powder lasts for six to 12 years. Foam in fire extinguishers has a lifespan of five years or more.&nbsp;<\/p>\n\n\n\n<p>These products become less effective with time. Your fire extinguisher might work, at least technically, but would it combat fires as well as a brand new fire extinguisher? The answer, quite clearly, is no.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_the_Manufacturing_Date_on_Fire_Extinguishers\"><\/span><strong>Understanding the Manufacturing Date on Fire Extinguishers&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>We had mentioned in the last section that some fire extinguishers have information on them that displays the manufacturing date. This date\u2013if your fire extinguisher has one\u2013can clue you in on whether your fire extinguisher is two years old or 20.&nbsp;<\/p>\n\n\n\n<p>If you moved into a house or apartment that already has a fire extinguisher, then the manufacturing date is a lifesaver.&nbsp;<\/p>\n\n\n\n<p>A fire extinguisher can include lots of information, so you have to know what you\u2019re looking for and where. Where the manufacturing date will be printed on the fire extinguisher can vary from one fire extinguisher brand to another.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Some fire extinguishers have printed labels or tags with this information. Other brands print the manufacturing date right on the extinguisher, where it\u2019s usually embossed into the metal. You might have to move the extinguisher\u2019s plastic boot or lift the plastic ring on the extinguisher\u2019s neck to see the manufacturing date.&nbsp;<\/p>\n\n\n\n<p>Once you find the manufacturing date, it\u2019s not going to be displayed like month, date, and year (or date, month, year for UK readers). Instead, your manufacturing date might look something like this: I.E.1205322062.<\/p>\n\n\n\n<p>What does all that mean? Well, 1205 refers to a 24-hour clock. The 322 is the month and date, which in this case, would be November 18<sup>th<\/sup>. The 06 is the year, so 2006, then the 2 refers to the manufactured assembly line.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Often_Should_You_Replace_Your_Fire_Extinguisher\"><\/span><strong>How Often Should You Replace Your Fire Extinguisher?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Continuing the example from above, if your fire extinguisher was indeed produced in November 2006 and it\u2019s 2021 now, can you continue keeping the extinguisher, or is it time to think about getting a replacement?<\/p>\n\n\n\n<p><strong>It&#8217;s a good idea to replace your fire extinguishers every 5 to 10 years. Extinguishers are relatively inexpensive and can save life and property. <\/strong><\/p>\n\n\n\n<p>The average lifespan of a fire extinguisher is between five and 15 years. Sometimes the estimates are even shorter, only 10 or 12 years. In the case of a fire extinguisher from 2006, that\u2019s 15 years ago.&nbsp;<\/p>\n\n\n\n<p>Since 15 years is the outer estimate for when to replace a fire extinguisher, we would say that yes, you need a new fire extinguisher, stat!&nbsp;<\/p>\n\n\n\n<p><strong>How to Know When It\u2019s Time for a New Fire Extinguisher&nbsp;<\/strong><\/p>\n\n\n\n<p>The age of your fire extinguisher is not the only indication that it might be time to get rid of yours. Here are some other signs to be on the lookout for now and in the future.&nbsp;<\/p>\n\n\n\n<p><strong>The Fire Extinguisher Is Now Obsolete<\/strong><\/p>\n\n\n\n<p>This doesn\u2019t happen more than necessary, but when the National Fire Protection Association or NFPA deems that a fire extinguisher is obsolete, then it\u2019s obsolete, no questions asked. As of this writing, if your fire extinguisher was made before 1971, 1976, or 1984, then it\u2019s obsolete.&nbsp;<\/p>\n\n\n\n<p><strong>The Fire Extinguisher Is Externally Damaged<\/strong><\/p>\n\n\n\n<p>All sorts of damage can occur to a fire extinguisher that necessitates having to replace it. If the extinguisher is rusted anywhere, then it\u2019s no good. Dents and dings are also bad signs.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"350\" src=\"https:\/\/firefighternow.com\/wp-content\/uploads\/2021\/11\/damaged-fire-extinguisher.jpeg\" alt=\"\" class=\"wp-image-503668\" srcset=\"https:\/\/firefighternow.com\/wp-content\/uploads\/2021\/11\/damaged-fire-extinguisher.jpeg 250w, https:\/\/firefighternow.com\/wp-content\/uploads\/2021\/11\/damaged-fire-extinguisher-214x300.jpeg 214w\" sizes=\"(max-width: 250px) 100vw, 250px\" \/><\/figure><\/div>\n\n\n\n<p>Check the pressure gauge too. Once the pressure exceeds its operating range, you can\u2019t rely on the fire extinguisher moving forward.&nbsp;<\/p>\n\n\n\n<p><strong>The Fire Extinguisher Can\u2019t Pass a Hydrostatic Test<\/strong><\/p>\n\n\n\n<p>You should put your fire extinguisher through a hydrostatic test every now and again. This test determines how well the extinguisher can maintain pressure. Not only is the strength of the fire extinguisher called into question, but hydrostatic testing can confirm whether your extinguisher is leaking.<\/p>\n\n\n\n<p>A hydrostatic test begins with a visual inspection for signs of damage. Next, you want to discharge the extinguisher, first taking out the hose and adding a recharge or hydrotest adapter. Then it\u2019s time to test the pressure of the fire extinguisher.&nbsp;<\/p>\n\n\n\n<p>You yourself won\u2019t perform a hydrostatic test on your fire extinguisher; you\u2019ll have to hire a professional to do it. If your fire extinguisher fails the hydrostatic test, then you cannot continue using it.&nbsp;<\/p>\n\n\n\n<p>Fire extinguishers can expire, as you should replace them every five to 15 years or so. The dry chemicals in the extinguisher only last for around six or 12 years, so the efficacy of your extinguisher depletes more and more the longer you have it.&nbsp;<\/p>\n\n\n\n<p>Even if your fire extinguisher isn\u2019t all that old, if it fails hydrostatic testing or it\u2019s externally damaged, then it\u2019s not safe to keep the extinguisher in your home. If you ever do need it, the extinguisher might not be able to control a fire as it should.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If your home is like many in the United States, then it has a fire extinguisher. Maybe &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Do Fire Extinguishers Expire?\u00a0Surprisingly, yes!\" class=\"read-more button\" href=\"https:\/\/firefighternow.com\/do-fire-extinguishers-expire-surprisingly-yes\/#more-503666\" aria-label=\"Read more about Do Fire Extinguishers Expire?\u00a0Surprisingly, yes!\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":503667,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Do Fire Extinguishers Expire?\u00a0Surprisingly, yes! | FireFighterNow<\/title>\n<meta name=\"description\" content=\"If your home is like many in the United States, then it has a fire extinguisher. 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