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15×2mm
20×2mm
25×2mm
DDIS104 Surface‑Mounted Intumescent Fire And Smoke Seal Strip For Fire‑Rated Doors
DDIS104 surface‑mounted intumescent fire and smoke seal strip built from expandable graphite compound. Designed for installation on flat surfaces without requiring pre‑machined rebate grooves. Heat‑activated expansion creates fire and smoke barrier for fire‑rated timber and steel door assemblies. Supplied in continuous roll lengths for on‑site cut‑to‑length. B2B wholesale supply for architectural passive fire‑safety hardware and tender projects.
| Specification | Parameter |
|---|---|
| Product Type | Surface‑Mounted Intumescent Fire & Smoke Seal Strip |
| Available Sizes | 15×2mm, 20×2mm, 25×2mm |
| Installation | Surface mount self‑adhesive, no rebate groove needed |
| Working Principle | Heat‑activated expansion for flame & smoke containment |
| Application | Timber Fire Doors, Steel Fire Door Assemblies |
| Packing | Continuous roll, cut‑to‑length on‑site |
Application Scenarios
Retrofit Timber Fire Doors
Surface‑fit intumescent seal for existing fire‑rated wooden doors without rebate grooves. Expands during fire events to seal gaps, stop flame spread and smoke migration for building passive fire protection.
Steel Fire Door Systems
Suitable for flat‑face hollow metal steel fire door frames in offices, hotels and multi‑residential buildings. Ideal for refurbishment projects where grooving is not feasible.
Architectural Fire‑Safety Tender Projects
Wholesale roll‑form supply for door fabricators and contractors. On‑site cut‑to‑length, perfect for renovation and tender‑spec fire‑safety hardware documentation packages.
Product Characteristics
Expandable graphite intumescent material, rapid heat‑triggered expansion under fire high‑temperature exposure
Surface‑mount self‑adhesive installation, does NOT require pre‑cut rebate grooves on door or frame
Forms effective barrier to block flame propagation and smoke penetration across fire‑door perimeter gaps
Three standard dimension options:15×2mm,20×2mm,25×2mm for different gap requirements
Continuous roll packaging, installers cut exact required lengths on‑site for fire‑door perimeters
Wholesale‑focused B2B product for passive fire‑safety architectural hardware contracts
Warranty & Customization
Standard quality warranty against manufacturing defects
Bulk roll wholesale supply for door manufacturers, contractors and fire‑safety architectural tender projects
Fire‑performance test report, technical datasheet and profile drawing available for tender submission documentation
Frequently Asked Questions
What is DDIS104 intumescent fire seal strip?
DDIS104 is surface‑mounted expandable‑graphite intumescent fire and smoke seal strip. No rebate groove required, for timber and steel fire‑rated door assemblies.
What sizes are available for DDIS104?
Available sizes: 15×2mm, 20×2mm, 25×2mm. Supplied in continuous rolls for site cut‑to‑length.
What is the key advantage of DDIS104?
It can be surface‑mounted without machining rebate grooves, well‑suited for fire‑door retrofit and refurbishment jobs.
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