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NUL10X4X2SB
10 X 4mm 1/2 Hr Smoke Seal Intumescent Fire Strip Brown 2.1m Length
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1004 Ss Brown 10 X 4Mm 1/2 Hr Smoke Seal 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 |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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Description
10 X 4mm 1/2 Hr Smoke Seal Intumescent Fire Strip Brown 2.1m Length
Ensuring the structural integrity of your building during a fire emergency requires precision hardware that you can rely on when it matters most. This 10 X 4mm 1/2 Hr Smoke Seal Intumescent Fire Strip Brown 2.1m Length provides an essential layer of passive fire protection for your premises. Designed to bridge the gap between a fire door and its frame, this product acts as a silent sentry that remains dormant until extreme heat activates its life-saving capabilities.
When temperatures rise, the high-performance core undergoes a rapid chemical transformation. This expansion fills the voids around the door, effectively preventing the passage of lethal smoke and hot gases that often pose a greater threat than the flames themselves. By choosing this solution, you are investing in a tested, certified product that prioritizes the safety of occupants while meeting stringent regulatory standards.
Understanding the Mechanical Physics of Intumescence
At the core of this item is an advanced intercalated graphite material. Unlike inferior materials that might melt or lose shape under stress, this intumescent core is engineered to expand multi-directionally. When heat levels reach the activation threshold, the core increases up to 15 times its original volume. This rapid physical expansion generates sufficient pressure to create a hermetic seal against the frame.
The mechanical force generated during this process is specifically calibrated to hold the fire door firmly in its rebate. By resisting the pressures generated by a fire situation, the seal prevents the door from warping prematurely, which keeps the escape route clear and buys precious time for emergency services to respond. The structural material is also highly durable, ensuring that the expansion process is consistent throughout the entire length of the strip.
Step-by-Step Installation Workflow
Successful fire protection depends heavily on proper installation. Following a precise workflow ensures that the hardware functions exactly as the manufacturer intended.
- You should begin by selecting a suitable router to cut a clean, consistent rebate into either the door frame or the edge of the door leaf itself.
- The rebate must be cleared of all sawdust, grease, or paint residues to ensure that the adhesive bond remains permanent and secure.
- Using a sharp hacksaw or a dedicated cutting tool, you must measure and trim the strip to the exact dimensions of your door frame.
- After checking the fitment to ensure the strip does not sit proud of the surface, you should carefully remove the protective backing paper.
- Apply the strip into the rebate with firm, even pressure to ensure full contact between the self-adhesive backing and the substrate.
- Verification is essential, so you should ensure the door closes smoothly without binding against the new seal profile.
Ergonomic Safety and Regulatory Compliance
Using high-quality fire safety hardware reduces the physical and psychological fatigue associated with building management. Because this model is manufactured from mineral-based materials, it is entirely safe to handle during the fitting process without the need for specialised protective equipment against fibrous dust. This simplicity allows maintenance teams to work efficiently without compromising their own health or safety.
Compliance is a critical aspect of commercial property ownership. With Certifire approval under CF846, this seal meets the rigorous technical requirements of TS35 and TS21. By installing this approved equipment, you are demonstrating a proactive commitment to fire safety standards, which simplifies insurance assessments and helps you remain fully compliant with local fire safety legislation.
Commercial ROI and Long-Term Value
Investing in premium fire safety components is a sound financial decision for any property manager. While lower-quality alternatives may degrade over time due to moisture, humidity, or atmospheric pollution, this specific unit is engineered to withstand these environmental challenges. Laboratory ageing tests indicate a life expectancy exceeding 100 years, effectively meaning that the product will likely outlast the door hardware itself.
By minimising the frequency of replacement cycles, you reduce the long-term operational overheads associated with facility maintenance. Furthermore, the presence of these seals protects your most valuable assets, including the structure of the building and the inventory inside, against the catastrophic damage caused by smoke migration. This combination of durability and preventative performance creates a compelling business case for choosing professional-grade fire seals.
Features and Technical Benefits
- The brush pile height of 5.5mm ensures a smooth interaction with the door leaf while maintaining an effective barrier against smoke.
- Manufactured from high-quality polypropylene, the casing provides exceptional wear resistance for high-traffic door environments.
- The mineral-based composition ensures that the product is free from harmful chemicals, making it environmentally friendly and safe for installers.
- Each length is marked for full traceability, giving you complete confidence in the supply chain and manufacturing quality of the item.
- It is intentionally designed to be unaffected by common industrial cleaners, allowing for standard maintenance protocols to continue without damaging the seal.
Technical Specifications
To ensure this item is compatible with your specific fire door requirements, please review the following technical parameters.
| Parameter | Specification |
|---|---|
| Product Name | 10x4mm Intumescent Fire and Smoke Seal |
| Standard Length | 2.1 Metres |
| Fire Rating | 30 Minutes (FD30) |
| Material Core | Intercalated Graphite |
| Brush Pile Height | 5.5mm |
| Installation Method | Self-Adhesive Backing |
| Certification | Certifire CF846 |
| Testing Standards | BS 476 Part 22 & 31.1 |
IMPORTANT NOTICE: You must always fit the correct size intumescent seal as specified by your door manufacturer. There is no benefit to fitting these seals to the bottom edge of the fire door, so please focus your installation efforts on the vertical jambs and the head of the frame.
Need Further Assistance
Choosing the right safety hardware is vital for the protection of life and property. If you are not sure if this fire seal is right for your requirements please contact our friendly team today. We are always happy to discuss your specific installation needs or provide guidance on our extensive range of architectural hardware.
Specification
| Manufacturer | Firestop |
|---|---|
| Finish | Brown |