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10×2mm
15×2mm
20×2mm
DDIS103 Fire Rated Intumescent Door Seal Strip For Steel And Wooden Fire Doors
DDIS103 fire‑rated intumescent door seal strip made of expandable graphite material. Multi‑size graphite barrier gasket works for wooden and steel fire‑rated doors, both interior and exterior door assemblies. Heat‑activated expansion blocks flame propagation and smoke penetration. Supplied in continuous roll lengths for on‑site custom cutting, customizable finish available. Monthly production capacity up to 200,000 meters for B2B wholesale architectural fire‑safety hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | Fire‑Rated Intumescent Door Seal Strip |
| Available Sizes | 10×2mm, 15×2mm, 20×2mm |
| Core Material | Expandable Graphite |
| Application | Wooden Fire Doors, Steel Fire Doors, Interior & Exterior Fire‑Rated Assemblies |
| Packing | Continuous roll, cut‑to‑length on‑site |
| Finish Option | Customizable finish for bulk orders |
Application Scenarios
Wooden Fire‑Rated Door Assemblies
Intumescent graphite barrier gasket for wooden fire doors. Triggers under fire high temperature to expand and seal gaps, restricts flame spread and smoke leakage for building passive fire‑safety requirements.
Steel Fire Door Systems
Compatible with hollow‑metal steel fire‑rated doors, applicable for interior and exterior commercial, hotel and multi‑residential building fire‑safety hardware.
Architectural Fire‑Safety Tender Projects
Large‑volume monthly production capacity, roll‑form supply for door fabricators and contractors. Supports custom finish, ideal for new‑build, refurbishment and tender‑grade fire‑safety hardware documentation.
Product Characteristics
Fire‑rated expandable graphite intumescent compound, rapid heat‑activated expansion under fire high‑temperature exposure
Forms reliable barrier against flame propagation and smoke penetration for fire‑door perimeter gaps
Multi‑size options:10×2mm,15×2mm,20×2mm to fit various fire‑door gap dimensions
Suitable for both interior and exterior wooden fire doors and steel fire‑rated door assemblies
Continuous roll format, installers cut exact required lengths on‑site for fire‑door perimeters
Customizable finish for bulk orders, 200,000 meters monthly capacity for B2B wholesale fire‑safety hardware
Warranty & Customization
Standard quality warranty against manufacturing defects
Bulk roll wholesale supply, custom finish available for large‑volume architectural fire‑safety tender projects
Fire‑performance test report, technical datasheet and profile drawing available for tender submission documentation
Frequently Asked Questions
What material is DDIS103 intumescent door seal strip?
DDIS103 fire‑rated door seal strip adopts expandable graphite intumescent compound for flame and smoke containment.
What sizes are available for DDIS103?
Available sizes:10×2mm,15×2mm,20×2mm. Sold in continuous rolls for on‑site cut‑to‑length.
What doors can DDIS103 be used on?
Fits wooden fire doors and steel fire‑rated doors for both interior and exterior fire‑safety door assemblies, custom finish available for bulk orders.
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