10 X 4mm 1/2 Hr Plain Intumescent Fire Strip White 2.1m Length
White 10 X 4Mm 1/2 Hr Plain Intumescent Strip 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 Plain Intumescent Fire Strip White 2.1m Length
Maintaining the integrity of fire safety installations is a critical responsibility for building managers and homeowners alike. The 10 X 4mm 1/2 Hr Plain Intumescent Fire Strip White 2.1m Length serves as a vital barrier in your fire safety strategy. This passive protection component is engineered to close the critical gaps between the fire door and its frame. When a fire occurs, the temperature rise triggers a rapid chemical reaction, preventing the hazardous spread of smoke and hot gases into adjacent areas.
Once you have fitted this high performance seal, it remains dormant for many years. It requires no maintenance while waiting for the exact moment it is needed most. The specialized intumescent core contains high-grade intercalated graphite. This material is widely regarded for its reliable, multi-directional expansion properties, ensuring that the gap is completely filled even under extreme thermal stress.
Understanding the Mechanical Physics of Intumescence
The core technology behind this safety hardware relies on a controlled expansion process. As the ambient temperature climbs during a fire, the intercalated graphite core undergoes a physical change. It expands up to 10 to 15 times its original volume. This rapid growth creates a high-pressure, solid char barrier. By exerting force against both the door edge and the frame rebate, this item physically locks the door in its position. This not only seals the passage against smoke infiltration but also helps structural stability during the early stages of a blaze.
This design is superior to older, fibrous materials that often degraded over time. The mineral-based construction ensures the product remains stable when exposed to moisture, humidity, and varying atmospheric conditions. You do not need to worry about the seal absorbing water or losing its efficacy due to chemical exposure from standard household or industrial cleaning products. The long-term stability of the core means that the pressure exerted during expansion remains consistent, providing you with a reliable mechanical seal when it matters most.
Step-by-Step Installation Workflow
Installing this hardware correctly is essential for compliance and safety. You must ensure that you are using the correct size seal as per the instructions provided by your specific door manufacturer. The fitting process is straightforward for those with basic carpentry experience.
- Start by carefully routing a rebate in the door frame or the door edge that perfectly matches the width and depth of the 10x4mm profile.
- Use a vacuum or compressed air to ensure the rebate is completely free of dust, wood shavings, and oily debris.
- Carefully measure the height of the door jambs and the width of the head, then cut your strip to size using a sharp blade or a fine-toothed hacksaw.
- Dry fit the length to verify that it does not stand proud of the door surface, as this could prevent the door from closing flush within the frame.
- Peel away the self-adhesive backing to reveal the high-tack strip, and apply firm, even pressure along the entire length to ensure a permanent bond.
Always remember that the seal should be located centrally in the frame or door edge. You must fit these strips to the two vertical jambs and the top head of the door. There is no structural or safety requirement to install this type of intumescent strip along the bottom threshold of the door.
Ergonomic Safety and Regulatory Compliance
Investing in high quality fire safety hardware is about more than just checking a box on a compliance form. It is about creating an environment where occupants are protected from the primary killers in a fire, which are smoke and toxic gases. By using this, you minimise the risk of human error during installation. The inclusion of a robust self-adhesive backing reduces the physical strain and time required for installation, making it easier for contractors to achieve a clean and effective finish without the need for additional messy adhesives.
Important Note: Always verify your door manufacturer requirements regarding the size and position of the seal. Incorrect sizing or improper placement may invalidate your fire door certification and pose a significant safety risk during a fire emergency.
Furthermore, each individual strip features identification markings that allow for full traceability. This gives building inspectors and safety officers confidence that the materials used are fully compliant with current safety standards. Knowing that your doors are equipped with industry-leading technology provides significant peace of mind to building owners and occupants alike.
Commercial ROI and Long Term Value
While the initial cost of fire safety upgrades can seem like a project expense, the true value lies in the durability of the components. Laboratory ageing tests suggest that this model can function effectively for well over 100 years, provided it is not damaged. By choosing a high-performance, long-lasting solution, you avoid the need for frequent replacements and the associated labour costs of re-installing hardware every few years.
In a commercial setting, protecting your building assets is paramount. A fire that is contained to the room of origin is far less costly to repair than a building ravaged by smoke damage throughout multiple floors. This small, 2.1-metre investment helps stop fire spread in its tracks, protecting your internal fittings, inventory, and structural integrity. Reducing the administrative overhead of constant safety maintenance cycles allows your facility team to focus on other core operations, providing a clear economic advantage over cheaper, less durable alternatives.
Technical Specifications
To ensure this item meets your site requirements, please refer to the table below for a summary of the technical parameters and testing standards achieved by our product range.
| Parameter | Specification |
|---|---|
| Seal Dimensions | 10mm Width x 4mm Depth |
| Standard Length | 2.1 Metres |
| Fire Rating | 30 Minutes (FD30) |
| Expansion Ratio | 10 to 15 Times Original Size |
| Fixing Method | Self-Adhesive Backing |
| Material Type | Intercalated Graphite Core |
| Testing Standards | BS 476 Part 22 & 31.1 |
| Certification | Certifire Approved CF846 |
Application Uses and Expert Support
This versatile seal is suitable for a wide range of applications. Whether you are managing a residential refurbishment or a large-scale commercial fit-out, this equipment is compatible with both single and double leaf fire door configurations. It is specifically designed to meet the rigorous demands of FD30 fire-rated doors.
If you are still wondering if this fire seal is the right solution for your specific project, please contact our friendly team today. We are here to help you navigate the complexities of fire safety regulations and hardware selection. Our experts can advise on compatibility, installation best practices, and the specific requirements for your building type to ensure total compliance and maximum protection.
Don’t leave your building safety to chance. By choosing high-quality, tested materials, you are taking a definitive step towards protecting lives and property. Ensure your fire doors are equipped with the best technology available to handle the heat and pressure of a fire situation. Order your supplies today and ensure that your premises meet the highest standards of safety and reliability.
Specification
| Manufacturer | Firestop |
|---|---|
| Finish | White |

