Last year was the largest wildfire season recorded in California in modern history, with six of the top 20 largest wildfires in the state, according to the California Department of Forestry & Fire Protection (CAL FIRE). In 2020, firefighters faced a total of 9,917 wildfires that consumed a record 6,653 square miles. These fires took the lives of 33 people and damaged or destroyed 10,488 structures.
Ahead of the 2022 wildland fire season, climatologists are predicting another record-shattering year of frequent and intense wildfires across the United States. This reflects a continuing trend of more wildfires and more acres burned, with seasons that are more severe and last longer.
Growing concern for WUI firefighters
DuPont believes these dedicated men and women deserve the best protection
Concern is growing for wildland urban interface (WUI) firefighters as fires today frequently intersect with residential areas, in and around wildland fields. WUI firefighters are fighting both wildfires and urban fires. This comes with combined hazards and the clear need for their gear to work harder than ever before.
DuPont believes these dedicated men and women deserve the best protection and the best gear to match their unwavering commitment to keeping everyone safe. At DuPont, we look at singular and multiple threats simultaneously. Our decades of experience, wide portfolio of solutions and unique partnerships with firehouses around the world, allow us to continue to innovate our next-generation gear to face emerging threats.
Uncompromised Protection
The DuPont Nomex brand has been trusted for over 50 years. WUI firefighters can depend on apparel made with Nomex and Nomex Nano to offer higher fire resistance along with over 99% particulate protection in lighter weight options.
Nomex Nano was developed to address the growing problem of heat stress. It is engineered to be thinner than other advanced flame-resistant (FR) materials used for thermal liners and features a higher limiting oxygen index (LOI) than traditional Nomex and DuPont Kevlar.
Nomex Nano
We have seen Nomex Nano provide up to 40% reduction in thermal liner thickness, when compared to other advanced liners available in the market, while providing similar thermal protection performance.
By reducing the weight and bulk of current turnout gear (TOG) systems, liners made with Nomex Nano can help give firefighters increased mobility and a better range of motion, thereby helping to reduce fatigue, disorientation and heat exhaustion.
Reduced heat stress and enhanced moisture management
Nomex Nano also helps reduce heat stress due to its enhanced moisture management
Nomex Nano also helps reduce heat stress due to its enhanced moisture management, which includes a high absorption rate to remove sweat quickly and a high evaporation rate to drive water out of a firefighter’s skin and the thermal liner system.
Kelly Whitt, Business Development Manager at DuPont said, “Our existing products have been proven with years in the structural firefighting arena. Today, we’re looking at ways to bridge the gap and give WUI firefighters the same level of protection from harmful smoke particulates that can be found in structural fire turnout gear.”
Field test of new laminated composite fabric technology
Kelly Whitt adds, “We are field testing a new laminated composite fabric technology – utilizing Nomex® Nano – that will provide superior particulate protection for both wildland-urban interface and brush fire firefighting.”
DuPont understands that collaborating with a variety of stakeholders is the key to taking the technology to the next level and providing WUI firefighters with a better level of protection, than what they have previously experienced with traditional wildland gear.
Game-changing barrier protection
Scientists are just starting to learn more about what firefighters are exposed to, when they are battling a wildland blaze. They know that a variety of airborne pathogens get kicked up in a fire. They have tracked countless living microbes and airborne pathogens that could seep into the skin, enter lungs and cling to clothing.
But the long-term effects of wildfire smoke aren’t really known, as fires haven’t burned for this long until recent years. At this point, experts don’t have a good understanding of the many trillions of microbes that survive and proliferate in wildfires.
“The diversity of microbes that we've found are really mind-bending,” said Leda Kobziar, the University of Idaho’s Wildland Fire Science Director.
| The addition of Nomex Nano Flex to a firefighter hood composite structure |
Enhanced protection against particulates
As we look to the next generation of gear, we want to focus on increasing protection against particulates. We know that when added to a firefighter hood composite structure, hoods made with Nomex Nano Flex provide higher than 99% particulate, bacterial and viral filtration efficiency, without compromising on comfort.
The addition of Nomex Nano Flex to a firefighter hood composite structure provides improved particle barrier protection in the neckline and upper jaw. These are areas that are known to be the most vulnerable and least protected. In fact, it results in up to a 4x increase in particle barrier efficiency. And comfort doesn’t take a back seat.
Better situational awareness and high breathability
“I speak with firefighters daily, and they tell me hoods with Nomex Nano Flex have exceptional durability,” said Chris Nowacki, Regional Sales Manager – Emergency Response and Utility/Arc at DuPont, adding “In addition, fire departments specify Nomex Nano Flex over other particulate-blocking materials for enhanced safety, better situational awareness, high breathability, low shrinkage and enhanced performance, when soaked with perspiration.”
Protection That Lasts
Tests show that hoods and composites made with Nomex Nano Flex offer 99% particulate-blocking efficiency
Tests show that hoods and composites made with Nomex Nano Flex offer 99% particulate-blocking efficiency, which is four times better than conventional hoods, even after 150 washes.
To further validate the durability of the hoods, a test was performed at two local fire stations using hoods from three different manufacturers with different designs, including quilted and non-quilted options.
Nomex Nano particulate-blocking gear
Each trial consisted of 250 cycles of donning and doffing, followed by one NFPA 1851 recommended washing and drying for 10 cycles. Despite these aggressive trials, the hoods maintained their protective performance. Nomex Nano particulate-blocking gear helps prevent crews from being exposed to particulates and aerosolized microbes.
At DuPont, we are committed to continuing our work with our industry partners to leverage our proven technologies and push the boundaries of science so that the next generation of WUI firefighting gear offers the highest level of protection possible. We are the innovation partner and ingredient. We stay with partners throughout the entire process of adoption and make sure the end user also has what they need to be safe and successful in their jobs.
Our heroes deserve it.