Fire Only Intumescent Strip – 4mm

When safety, compliance, and durability are non-negotiable, the Fire Only Intumescent Strip provides a trusted and cost-effective fire-sealing solution for trade and project-scale installations. Designed for professional use in fire-rated door assemblies, this 4mm Fire Only Intumescent Strip expands rapidly when exposed to heat—effectively sealing gaps around doors to prevent the spread of flames and smoke.

Ideal for contractors, fabricators, and fire-door manufacturers, this strip meets stringent fire safety standards and ensures long-term reliability in high-demand environments such as commercial buildings, offices, hospitals, schools, and apartment complexes.

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Precision-Engineered for Maximum Fire Resistance

The Fire Only Intumescent Strip activates at approximately 180–200°C, expanding multiple times its original size to block fire penetration. Unlike combination seals, which may include acoustic or smoke features, this model is engineered purely for fire resistance, making it a robust choice for areas focused solely on fire containment.

• Thickness: 4mm profile for tight-fitting doors.

• Material: High-performance graphite-based intumescent core.

• Application: Fire doors, frame edges, and industrial door setups.

• Operation: Expands upon heat exposure to create an airtight barrier.

Engineered to provide consistent expansion and integrity under extreme conditions, these strips are trusted across large-scale construction and refurbishment projects where dependable compliance is essential.

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CE, EN & Certifire Certified for Guaranteed Compliance

Every Fire Only Intumescent Strip is fully tested and certified under EN 1634-1 and Certifire standards, ensuring complete compliance with fire safety regulations. For professional contractors working on regulated buildings, these certifications simplify sign-off during inspections and demonstrate a clear commitment to safety standards.

• Compliant with EN12209 and BS EN 1634 fire door standards.

• Certifire approved for verified product performance.

• Independently tested to achieve up to 60- or 120-minute fire ratings (depending on the application).

• Supplied with QA documentation for site audits and project records.

Bulk purchasers benefit from packaged documentation for multiple installs—perfect for tender submissions or compliance checklists on larger construction contracts.

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Designed for Easy Installation and Long-Term Performance

The Fire Only Intumescent Strip – 4mm is simple to install, even across large-scale door manufacturing or refit projects. It can be supplied with adhesive backing for quick attachment or plain-backed for mechanical fixing, depending on your project requirements.

• Adhesive option for efficient on-site fitting.

• Consistent thickness and flexibility for precision installation.

• Resistant to moisture and environmental degradation.

• Suitable for timber, steel, or composite fire doors.

Trade customers appreciate its reduced fitting time—a vital advantage on jobs requiring tight deadlines or multiple installations in commercial spaces.

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Bulk Supply Options and Trade Discounts

As a trusted supplier to the construction and architectural hardware industry, we offer this high-performance Fire Only Intumescent Strip in bulk and trade packs ideal for large door manufacturers, fire protection contractors, and wholesalers.

• Available sizes: 2100mm strips in standard packs or custom lengths on request.

• Bulk discounts: Competitive trade pricing for pallet or carton quantities.

• Prepack options: Organized packaging for quick distribution across sites.

Whether you need a few boxes for refurbishment projects or full bulk pallets for ongoing manufacturing supply, our trade program ensures fast fulfilment, consistent quality, and dedicated order support.

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Applications in Commercial and Industrial Projects

The Fire Only Intumescent Strip is used extensively across multiple sectors that demand strict fire safety compliance:

• Fire-rated doors in office buildings and commercial properties.

• Educational and healthcare facilities requiring 60+ minute fire seals.

• Residential apartment blocks and hotel corridors.

• Industrial facilities and storage areas with fire containment needs.

• Door manufacturers looking for reliable, consistent sealing solutions.

Builders, developers, and maintenance contractors rely on our fire-only solutions to meet compliance goals without compromising budget or quality.

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Why Trade Professionals Choose Our Fire Only Intumescent Strip

Trade buyers recognize that product reliability and material consistency build long-term client trust. That’s why our Fire Only Intumescent Strip – 4mm stands out:

• High expansion rate for effective fire sealing.

• Stable performance under all installation conditions.

• Certified and rated for all fire door applications.

• Designed for efficient bulk fitting and supply chain management.

• Favorable pricing and reliable availability for ongoing contracts.

When specifying intumescent materials, professionals choose this 4mm version to ensure both safety and ease of integration into existing door systems.

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Order Your Fire Only Intumescent Strips Today

Keep your projects compliant, safe, and on schedule with the highest-quality Fire Only Intumescent Strip available for trade and wholesale purchase. Order directly online or connect with our sales team for bulk quotations, custom sizes, or scheduled deliveries for multi-site projects.

Protect your clients, uphold safety standards, and minimize installation delays—order your 4mm Fire Only Intumescent Strip today and keep your fire-rated door projects fully compliant and ready for inspection.

This Fire-Only Intumescent Strip is a premium fire safety product designed to enhance the protection of doors against the spread of fire. Measuring 4mm thick and 20 X 2.1 metres in white, it features high-performance intumescent material that expands when exposed to heat, effectively sealing gaps around doors to prevent flames from passing through. Suitable for residential, commercial, and public buildings, it helps ensure compliance with fire safety regulations and enhances overall building safety.

Installation is straightforward, with the strip designed for easy fitting along door edges or frames. Ideal for fire-rated doors and high-traffic areas, this intumescent strip provides reliable fire protection while maintaining a clean and unobtrusive appearance. Its durable construction and superior performance make it a practical, long-lasting, and essential solution for enhancing door safety in any property.