What Temperature Does An Intumescent Strip Activate?
When it comes to passive fire protection, intumescent strips play a crucial role in safeguarding lives and property. But have you ever wondered how these strips work and, more importantly, at what temperature they activate? Understanding this is vital for ensuring your building’s fire safety measures are up to standard.
In this blog, we’ll explore everything you need to know about intumescent strips, from their activation temperature to the different types available.
What is an Intumescent Strip?
An intumescent strip is a passive fire protection product that expands when exposed to heat. These strips are installed around the edges of fire doors and other critical areas to prevent the spread of fire and smoke. When a fire occurs, the heat causes the material in the strip to expand, sealing any gaps around the door to stop flames and smoke from passing through.
How Do Intumescent Strips Work?
To understand more about how intumescent strips work, it’s important to know the science behind them. Intumescent materials contain chemicals that react to heat. When the temperature reaches a certain point, these materials begin to expand significantly—up to 20 times their original thickness. This expansion fills any gaps around the door, creating a barrier against fire and smoke.
This reaction is what makes fire doors with intumescent strips so effective in containing a fire within a specific area, allowing for safer evacuation and reducing damage to the rest of the building.
At What Temperature Do Intumescent Strips Activate?
The activation temperature of intumescent strips is a key factor in their effectiveness. Generally, these strips start to activate at temperatures between 180°C and 200°C. This temperature range ensures that the strips will expand quickly enough to provide protection before the fire can spread.
Understanding this activation point is crucial for ensuring that your fire door is compliant with fire door intumescent strip regulations. At Noberne, we ensure that all our products, including fire intumescent strips, are manufactured to the highest standards, providing reliable protection when it’s needed most.
Types and Sizes of Intumescent Strips
There are several types of intumescent strips available, each designed for different applications. Whether you’re looking for a specific type like fire only strips or a specific size e.g. 10mm intumescent strip, we have the right product for you.
Choosing the correct size and type is essential for ensuring the strip functions as intended during a fire, as having the right strips and seals is not just a safety measure—it’s a legal requirement. You can learn more about why fire doors need to have strips and seals here.
Installing Intumescent Strips
Proper installation of intumescent strips is critical to their performance. Whether you’re fitting intumescent strips to fire doors or deciding whether to place intumescent strips on door or frame, the correct installation method must be followed, ensuring that the strips will expand as designed when exposed to high temperatures.
For a detailed guide on how to fit intumescent strips, we recommend consulting our resources or speaking to one of our experts. Proper installation not only enhances the effectiveness of the strips but also ensures compliance with safety regulations.
Intumescent Strips and Smoke Seals
While intumescent strips are essential for fire protection, they are often used in conjunction with smoke seals. Intumescent strips and smoke seals work together to block both fire and smoke from passing through gaps around doors.
It’s important to distinguish between intumescent strips and smoke seals; while intumescent strips react to heat, smoke seals are designed to stop smoke from spreading even before the temperature rises enough to trigger the intumescent reaction. Together, they provide comprehensive protection, which is why many modern fire doors are equipped with both. For more detailed explanation on this, you can check out our blog post on the difference between smoke and intumescent seals.
Regulatory Compliance
Compliance with fire door intumescent strip regulations is a legal requirement to ensure the safety of building occupants, so at Noberne, all our fire door intumescent strips are designed to meet and exceed these regulations.
Understanding intumescent strips regulations and ensuring your installations are compliant can make a significant difference in the event of a fire. Our products are rigorously tested to ensure they provide the necessary protection when it matters most.
In summary, intumescent strips are a crucial part of passive fire protection, designed to activate at temperatures between 180°C and 200°C. These strips play a vital role in containing fires and protecting lives by expanding to seal gaps around fire doors. Whether you need a fire only intumescent strip, 20mm intumescent strip, or guidance on fitting intumescent strips, Noberne offers market-leading solutions tailored to your fire protection needs.
For more information on our range of intumescent strips and other fire protection solutions, please feel free to contact a member of our team today on 0113 271 3266 or email us at sales@noberneseals.com.
