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NUL20X4X2B
20 X 4mm 1 Hr Plain Intumescent Fire Strip Brown 2.1m Length
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2004 Brown 20 X 4Mm 1 Hr Plain Intumescent Strip 2.1M Length
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| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
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| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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Description
20 X 4mm 1 Hr Plain Intumescent Fire Strip Brown 2.1m Length
When it comes to building safety, the integrity of fire doors is paramount. Our 20 X 4mm 1 Hr Plain Intumescent Fire Strip Brown 2.1m Length provides an essential barrier against the rapid spread of smoke and heat. Designed to meet the highest safety standards, this product is an indispensable component for any commercial or residential fire safety strategy.
During the early stages of a fire, smoke inhalation is often more dangerous than the flames themselves. By installing high-quality seals around your door frames, you create a robust partition that protects escape routes and buys valuable time for building occupants. This item is engineered to remain inconspicuous during normal daily use while offering immediate, life-saving protection the moment it is needed.
Understanding the Mechanical Physics of Fire Seals
The core technology behind this fire seal relies on advanced material science, specifically the use of intercalated graphite. When exposed to the intense thermal energy generated by a fire, the core undergoes a rapid physical transformation.
As temperatures rise, the intumescent material expands multi-directionally, growing up to fifteen times its original volume. This expansion exerts enough pressure to fill the gaps between the door and the frame, effectively locking the door in place and creating an airtight seal. By blocking the path of convection currents, the seal prevents the migration of toxic gases and superheated air into adjoining rooms.
Because the seal expands with significant force, it ensures that even if a wooden door warps slightly under heat, the protective barrier remains intact. The mechanical resistance provided by the expanded material is specifically calibrated to hold the door firmly within the frame, ensuring that the fire compartment remains sealed for the duration of the one-hour fire rating.
Step-by-Step Installation Workflow
Achieving a perfect fit is critical for the performance of your safety hardware. Please follow these professional guidelines to ensure the seal functions as intended.
- Start by carefully routing a rebate into the door frame or the edge of the door leaf that matches the exact dimensions of the seal.
- Use a clean cloth or vacuum to remove any sawdust, grease, or debris from the rebate to ensure the adhesive backing bonds correctly.
- Measure the length of the jambs and the head of the door frame precisely to ensure full coverage of the perimeter.
- Cut the strip to the required length using a fine-toothed hacksaw or a sharp utility blade to ensure a clean, flush finish.
- Check that the seal sits perfectly level within the rebate, as it should not stand proud of the surface, which could interfere with the operation of the door.
- Peel away the self-adhesive backing paper in small sections and press the strip firmly into the rebate along its entire length.
IMPORTANT: Always consult the specific door manufacturer's instructions regarding the required intumescent seal size and placement before beginning your installation process.
Ergonomics, Compliance, and Safety
Prioritising safety in your building layout is not just a moral obligation but a legal requirement. This fire seal is designed to be fully compliant with current British standards, providing property managers and homeowners with peace of mind regarding their fire safety responsibilities.
Beyond the obvious fire protection benefits, the material construction is inherently safe for those handling and installing it. Unlike older fire-stopping products, this mineral-based solution contains no fibrous materials or hazardous chemicals. This makes the installation process safer for workers and ensures that the indoor air quality remains unaffected during the lifespan of the door.
By preventing the warping of door frames and maintaining structural integrity under duress, this hardware reduces the likelihood of accidental door failure. It also ensures that your building remains in line with local fire safety regulations, helping you pass inspections without the need for remedial work or costly upgrades.
Commercial ROI and Long-Term Value
Investing in high-performance hardware from the outset is a strategic financial decision for any business. While cheaper alternatives may appear attractive in the short term, they often lack the durability required for long-term protection.
This 20 X 4mm 1 Hr Plain Intumescent Fire Strip Brown 2.1m Length is engineered to withstand moisture, humidity, and atmospheric pollution. Laboratory ageing tests suggest that this product can maintain its performance characteristics for over one hundred years, assuming it is installed in a stable environment.
Choosing a long-lasting, high-quality seal means you will not have to replace the product frequently. This saves on both material costs and the labour-intensive process of re-routing and installing new seals. In a commercial setting, this reduces operational downtime and ensures your facility remains compliant with safety standards year after year, protecting your assets and your investment from potential fire damage.
Technical Specifications
| Specification | Detail |
|---|---|
| Width | 20mm |
| Thickness | 4mm |
| Length | 2.1 metres |
| Fire Rating | 60 Minutes |
| Colour | Brown |
| Material | Intercalated Graphite |
| Testing Standards | BS 476 Part 22 & 31.1 |
| Approval | Certifire CF846 |
Key Features of This Intumescent Seal
- The seal provides rapid, high-pressure, multi-directional expansion to effectively fill voids during a fire event.
- The composition is entirely mineral based, ensuring it is safe to handle and free from fibrous materials or harmful chemicals.
- It is completely unaffected by changes in moisture, humidity, or common household and industrial chemical substances.
- Every unit features identification to ensure full traceability and quality assurance from the factory to your site.
- Installation is simplified significantly by the included high-strength self-adhesive backing.
- The product is fully certified, meeting the requirements of technical schedules TS35 and TS21 for guaranteed performance.
Applications and Usage
This product is versatile and suitable for a wide variety of architectural settings. Whether you are fitting out a new office block or upgrading fire safety in an existing residential property, this seal performs consistently across different door configurations.
- It is suitable for use on both single and double leaf door arrangements.
- This model is ideal for FD30 and FD60 fire door installations.
- The seal provides dual protection against the spread of both fire and toxic smoke.
Not sure if this fire seal is right for your requirements? If you are not sure if this fire seal is right for your requirements please contact our friendly team today.
Specification
| Manufacturer | Firestop |
|---|---|
| Finish | Brown |