LM LINE by BUCHELE
Multifunctional aluminum roller doors – flexible, secure, customizable

HIGH-TECH MEETS FUNCTIONALITY
Design & technology
The LM LINE represents a new generation of roller doors with a patented sandwich construction
- Door curtain: 60 mm thick extruded aluminum profiles
- Individual slats: 160 mm high, flush on both sides, individually replaceable
- Sealing profile: Integrated into each slat for optimum sealing
- Drive: 400 V three-phase motor with maintenance-free safety catch
- Emergency operation: Possible by emergency hand chain
Technology that sets standards
Technical features of the LM LINE
| Sound insulation | EN ISO 10140-2 | 32 to 38 dB |
| Burglary resistance | EN 1627 | RC3 to RC 4 |
| Bullet resistance | EN 1522 | FB4-NS |
| Air/gas permeability | EN 12426/12427 | up to class 3 |
| Resistance to driving rain | EN 12425/12489 | up to class 2 |
| Resistance to wind load | EN 12424/12444 | up to class 4 |
| Explosion protection | EN 1127-1 | up to zone 1/21 |
Technical features of the LM LINE
Design & surface
BUCHELE also offers individual design options for roller doors
- Scratch protection belt system: Prevents abrasion marks when opening and closing
- Surface: Press-finished (standard), EV1 anodized, painted, or printed
- BUCHELE DELUXE: Design line for sophisticated architecture
- Rubber lips: Specially designed for protection and flexibility


Roller and folding doors – individually configurable
Variants & dimensions
- Standard sizes: up to 8000 mm width and height
- Special sizes: Available on request
Flexible use
Areas of application
- Public buildings with security requirements
- Production halls & power plants
- Prestigious properties with high design standards
- Entrance areas with invisible security integration

Excellence in every detail
Quality & certification
All LM LINE doors are tested as complete elements – including frames, glazing, and accessories. The tests are carried out in authorized testing institutions and are documented with test reports and identification labels.
The LM LINE is a true all-rounder: it combines the space-saving advantages of a roller door with tested protective functions and a high degree of customization.
Whether as a security solution or a design element, the LM LINE blends seamlessly into modern architecture and meets the highest technical requirements.