Doors in steel/chromium steel: Strong form against fire and smoke
Steel doors from Bühlmann are robust and resilient. Steel and chromium steel as fire-resistant materials ensure that neither fire nor noise and smoke find their way through public and commercial entrances and corridors. The steel doors from Metallbau Bühlmann are custom productions and are often required as fire protection doors with certificate verification.
Proven manufacturer of steel doors with VKF certification
Strong hands manufacture and assemble fireproof doors in steel or chromium steel. At Metallbau Bühlmann, we work with the proven profile system from Forster. It is a system that leaves nothing to be desired regarding fire protection and doors.
Frame and sash material
- Fire protection doors of steel or chromium steel, insulated and non-insulated
- Fire protection sliding doors of steel or chromium steel, insulated and non-insulated
Surface
- Powder coated according to Qualicoat
- Chromium steel, ground, grain 220-240
Clear dimensions
- Single leaf, maximum 1400 x 3000 mm
- Single-leaf sliding doors, maximum 1380 x 2500 mm
- Double-leaf, maximum 2130 x 3000 mm
- Double-leaf sliding doors, maximum 2600 x 2500 mm
Fire protection
- EI30, EI60, EI90
Smoke protection
- EI30
Sound insulation
- Up to 42 dB with glass