10 X 4mm 1/2 Hr Smoke Seal Intumescent Fire Strip White 2.1m Length
In stock
Delivery Information
| 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 White 2.1m Length
Safety within a commercial or domestic building relies heavily on the integrity of fire doors. This essential component provides a critical barrier against the rapid progression of heat and toxic smoke during a fire emergency. By effectively sealing the crucial gaps between a door leaf and its frame, this product ensures that fire compartments remain intact for longer durations.
Designed with precision, the 10 X 4mm 1/2 Hr Smoke Seal Intumescent Fire Strip White 2.1m Length offers a reliable solution for maintaining compliance with modern fire safety regulations. It remains completely dormant during everyday use, yet it acts instantaneously when thermal triggers are reached. This unobtrusive performance makes it a preferred choice for building managers and contractors who prioritise life safety without compromising aesthetic standards.
The Mechanics of Intumescent Protection
Understanding how this equipment functions requires a look at its unique chemical composition. At the heart of the strip lies a high-performance intumescent core infused with intercalated graphite. When temperatures rise due to an encroaching fire, this material undergoes a rapid physical transformation.
The graphite particles expand multi-directionally by up to 10 to 15 times their original volume. This physical expansion exerts sufficient pressure to bridge the gap between the door and the rebate, creating an airtight seal. This barrier effectively prevents the passage of smoke and hot gases, which are often the primary cause of injury in fire incidents. By containing the fire within its room of origin, this material provides occupants with vital additional time to evacuate safely.
Long-Term Durability and Material Integrity
This model is engineered to withstand the test of time. Unlike inferior sealing products that may degrade under common atmospheric conditions, this item is specifically formulated to be unaffected by moisture, humidity, and varying levels of atmospheric pollution. Whether installed in a high-traffic office corridor or a quiet residential hallway, the structural integrity of the strip remains constant.
Laboratory ageing tests demonstrate that this material has a remarkable life expectancy in excess of 100 years. This longevity is achieved through the use of high-quality polypropylene materials, which offer exceptional resistance to wear and tear. Furthermore, because the core is mineral-based, it is completely free from fibrous materials or harmful chemicals. This makes the product safe to handle during installation and ensures there is no risk of respiratory irritation for the installer or the building occupants.
Operational Workflow and Installation Guidance
Installing this hardware requires a methodical approach to ensure the fire door performs as intended during a crisis. The following sequence details the correct process for integrating this strip into your door system.
- Start by carefully routing a rebate into the door frame or the door leaf itself to match the exact dimensions of the seal.
- Ensure the routed surface is thoroughly cleaned to be free from dust, wood shavings, or oily debris, as these can impede the performance of the adhesive.
- Measure the length of the jambs and the head precisely, cutting the material to size using a clean hacksaw or a sharp blade.
- Position the strip carefully within the rebate, checking that it sits flush and does not stand proud of the frame or door edge.
- Peel away the protective layer from the self-adhesive backing and press the seal firmly into place across the entire length of the rebate.
It is important to remember that there is no technical benefit to fitting these strips to the bottom of a fire door, as the primary objective is to manage smoke flow at the jambs and head. Always verify that you are using the correct specification as dictated by the door manufacturer’s documentation.
Safety, Compliance, and Ergonomic Standards
Compliance is not just about meeting a legal requirement, but about ensuring a culture of safety. This 10x4mm seal has undergone rigorous testing against the latest British standards, including BS 476 part 22 and BS 476 part 31.1. With formal Certifire approval, specifically CF846, you can be confident that you are installing a product that has been independently verified for performance.
Choosing certified fire protection hardware is the most effective way to reduce the risk of installation errors and ensure that your building meets strict fire safety compliance mandates under current UK building regulations.
From an ergonomic perspective, the ease of application provided by the factory-applied self-adhesive backing significantly reduces physical fatigue for installation teams. It eliminates the need for messy liquid adhesives, allowing for a cleaner and more efficient workflow. Furthermore, the inclusion of identification tags on every product allows for full traceability, which simplifies the audit process for facility managers and fire safety inspectors.
Maximising Commercial ROI
Investing in high-quality architectural hardware is a sound commercial decision. While lower-cost alternatives may seem attractive initially, the potential for failure or premature degradation often results in higher long-term costs due to frequent replacement cycles. By selecting this durable option, you ensure that your fire doors are protected for decades rather than just a few years.
Protecting your physical assets is also a primary concern for business continuity. A fire that is successfully contained by a well-sealed door can be the difference between minor smoke damage and the total loss of a commercial space. This 10x4mm seal acts as an insurance policy for your infrastructure, minimising the potential impact of an emergency and significantly reducing the administrative overhead associated with emergency repairs and safety re-certification.
Technical Specifications
| Feature | Specification |
|---|---|
| Seal Width | 10mm |
| Seal Thickness | 4mm |
| Brush Pile Height | 5.5mm |
| Length | 2.1 Metres |
| Fire Rating | FD30 Half Hour |
| Material | Intercalated Graphite & Polypropylene |
| Approval | Certifire Approved CF846 |
| Attachment | Self-adhesive backing |
Support and Expert Assistance
Selecting the right fire protection hardware for specific door thicknesses and frame configurations can be a complex task. If you are not sure if this fire seal is right for your requirements please contact our friendly team today. We are happy to provide guidance on the specific fire safety hardware that will best suit your commercial or residential project needs.
Specification
| Manufacturer | Firestop |
|---|---|
| Finish | White |

