Windows, doors and terrace systemsLT

Fire-rated aluminium door system

MB-78EI Fire-Doors

Certified protection against fire and smoke.

MB-78EI is a specialised fire-rated aluminium door system designed to separate fire compartments in buildings. Its technically advanced construction provides integrity and thermal insulation during a fire and achieves EI30–EI60 fire resistance. Stable aluminium profiles with specially profiled thermal breaks, fire-rated glazing, and intumescent and ceramic seals help restrict the spread of fire and smoke.

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MB-78EI fire-rated aluminium door profile cutaway
EI30–EI60Fire resistance
78 mmInstallation depth
3Chambers
1.6Ud W/(m²K)

Key features

A system designed for everyday comfort

  • EI30–EI60 fire resistance
  • Integrity and thermal insulation during fire
  • Fire-rated glazing
  • Fittings meeting fire-safety requirements
  • Special intumescent and ceramic seals
  • 78 mm thermally insulated aluminium profiles
  • Optional anti-panic fittings
  • More than 200 RAL colours, special colours and textures

Door cross-section

MB-78EI fire-rated aluminium door technical cross-section with dimensions

Technical data

MB-78EI Fire-Doors specification table

PurposeFire-rated aluminium doors for separating fire compartments in buildings
Fire resistanceEI30–EI60
Number of chambers3
Installation depth78 mm
Thermal transmittanceUd = 1.6 W/(m²K)
SealingTwo EPDM gaskets plus special intumescent and ceramic fire seals
Glazing infill thickness20–45 mm and 47–49 mm
GlazingFire-rated glass with a choice of glass types
FittingsCompliant with fire-safety requirements; anti-panic fittings available
ColoursWide range of RAL colours, special colours and textures

The EI classification means that the door assembly maintains integrity (E) and thermal insulation (I) for the specified period. The exact EI30 or EI60 rating depends on the certified door configuration, dimensions, glazing, fittings and installation method.

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