Fire-rated ducts EI 120
Staff ducts and fire-rated conduits EI 120 for ventilation and smoke extraction. Certified EN 1366-1 and EN 1366-8. Manufacturer since 1984.
EXTHA fire-rated duct systems
EXTHA has been manufacturing fire-rated staff ducts for over 40 years. Our EXTHAMAT® boards achieve EI 120 classification in single-layer construction, certified according to EN 1366-1 (ventilation) and EN 1366-8 (smoke extraction).
Applications
- Ventilation duct enclosures — EI 120
- Smoke extraction ducts — EI 120 S (EN 1366-8)
- Floor and wall penetrations
- Public buildings (ERP), high-rise buildings (IGH), industrial facilities (ICPE)
Technical specifications
- Fire resistance: EI 120 (single layer, 35 mm)
- Reaction to fire: A1 (non-combustible)
- Standards: EN 1366-1, EN 1366-8, EN 13501-1
- Dimensions: All rectangular and circular sections
All EXTHA fire-rated duct systems are tested and certified by accredited European laboratories. Test reports available on request.
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