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NUL20X4X2SW
20 X 4mm 1 Hr Smoke Seal Intumescent Fire Strip White 2.1m Length
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2004 Ss White 20 X 4Mm 1 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 |
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| 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
20 X 4mm 1 Hr Smoke Seal Intumescent Fire Strip White 2.1m Length
Protecting lives and structural assets is the highest priority in any building project. This 20 X 4mm 1 Hr Smoke Seal Intumescent Fire Strip White 2.1m Length provides an essential barrier against the rapid progression of heat and toxic gases. Designed to fit seamlessly into standard door frames, this component remains an invisible safety guardian until the exact moment it is needed during a fire emergency.
When fire breaks out, every second counts in the containment phase. This high performance seal acts as a silent sentry, waiting in the rebate of your door frame. Once the ambient temperature begins to rise, the material undergoes a radical transformation that creates a secure, impenetrable barrier. This process is vital for maintaining the integrity of fire doors and ensuring that escape routes remain clear of dangerous smoke for as long as possible.
Understanding the Mechanical Physics of Fire Seals
The core technology behind this product relies on advanced chemical engineering. The intumescent material contains intercalated graphite that is designed to expand in a multi-directional fashion when exposed to extreme thermal energy. During a fire event, this material can increase up to fifteen times its original volume.
This rapid expansion creates a high-pressure seal that effectively fills the gap between the door leaf and the frame. By exerting pressure against the frame, the seal prevents the passage of fire, smoke, and superheated gases. This mechanical expansion is triggered specifically by the rising heat levels, ensuring it stays dormant and unobtrusive throughout the daily life of the building.
The construction of this model is exceptionally robust. It utilises high-quality polypropylene to form a protective pile that maintains its shape even under constant usage. Because the mineral-based core is completely stable, it does not suffer from structural degradation due to environmental moisture or atmospheric pollutants. This ensures the component will not flex or fail when performance is needed most.
Step-by-Step Installation Workflow
Correct installation is the most important factor in ensuring the efficacy of your fire protection hardware. Before you begin, verify that the dimensions of the rebate in your door frame or fire door match the profile of this 20mm by 4mm strip.
- You should start by cleaning the existing rebate thoroughly to remove any dust, grease, or paint debris that might prevent a firm bond.
- Measure the height of your door frame or the vertical side of the fire door carefully to ensure a perfect fit from top to bottom.
- Using a sharp hacksaw or a precision blade, cut the length of the strip to match your measurement precisely.
- Check that the seal sits flush within the rebate, as it must not stand proud or protrude when the door is in the closed position.
- Peel back the protective layer from the high-tack self-adhesive backing to reveal the mounting surface.
- Apply the strip into the rebate, using a firm hand to press it home across the entire length to ensure the adhesive achieves a full mechanical bond.
For optimal results, ensure the seals are applied to the vertical jambs and the head of the frame. Please note that there is no structural benefit to installing these seals along the bottom edge of the fire door.
Safety Compliance and Ergonomic Integrity
In any commercial or residential environment, maintaining fire safety compliance is a legal necessity. Using high-quality hardware like this 20 X 4mm 1 Hr Smoke Seal Intumescent Fire Strip White 2.1m Length simplifies the certification process. Because the material is mineral-based and free from fibrous, harmful chemicals, it is safe to handle during installation and creates no airborne hazards in the workplace.
The ergonomic design of this seal ensures that it does not increase the closing force required for the door, which helps prevent user fatigue in high-traffic areas. By selecting a product that is extensively tested against British Standards, you are choosing a solution that reduces the risk of human error in your safety strategy. Compliance with Certifire standards provides peace of mind that every door fitted with this strip is operating at its maximum potential for fire safety.
Long Term Commercial Value and Asset Protection
Investment in quality pays off. Choosing a fire seal with a laboratory-proven life expectancy of over 100 years drastically reduces your facility maintenance cycle. By installing a durable product that is immune to industrial chemicals and household pollutants, you eliminate the cost and disruption of frequent hardware replacements. This represents a significant long-term saving for property managers and building owners.
Protecting a commercial asset is not just about meeting the minimum code requirement. It is about investing in a product that preserves the structural integrity of your building after an incident. This specific model provides the reliable performance required to keep business operations resilient and protected against the threat of fire damage.
Technical Specifications
The following table outlines the technical parameters for this fire seal, ensuring it meets the stringent requirements for FD30 and FD60 fire door installations.
| Specification | Detail |
|---|---|
| Product Name | 20 X 4mm 1 Hr Smoke Seal Intumescent Fire Strip White 2.1m Length |
| Width | 20mm |
| Depth | 4mm |
| Length | 2.1 metres |
| Brush Pile Height | 5.5mm |
| Fire Rating | FD30 and FD60 compatible |
| Certification | Certifire approved CF846 |
| Standards | BS 476 Part 22 and Part 31.1 |
| Material | Intercalated graphite and high quality polypropylene |
| Installation | Self-adhesive backing |
Application Uses and Expert Support
This versatile seal is suitable for both single and double leaf door configurations. It is designed to work in tandem with high-quality doors to provide a comprehensive fire safety solution. Whether you are outfitting a new commercial office building or upgrading an existing residential property, this hardware offers the consistency required for high-stakes environments.
We understand that fire safety legislation can be complex and that choosing the right dimensions is crucial for the safety of the inhabitants. If you are not sure if this fire seal is right for your requirements please contact our friendly team today.
Our experts at Doorfit are on hand to provide guidance on the correct application of intumescent technology. We can assist you in selecting the appropriate seals for your specific door types and frame dimensions to ensure you remain fully compliant with current safety regulations. Remember that it is vital to fit the correct size seal as per the door manufacturer instructions to maintain your fire safety rating.
By purchasing this 20 X 4mm 1 Hr Smoke Seal Intumescent Fire Strip White 2.1m Length, you are securing a product that is fully traceable and manufactured to the highest industry standards. Do not compromise when it comes to the safety of your building. Choose equipment that offers a verified lifespan and superior expansion performance under the heat of a fire.
Specification
| Manufacturer | Firestop |
|---|---|
| Finish | White |