STB POWER LINE
High-Performance Soundproof Steel Doors – for the Most Demanding Soundproofing Requirements
A NEW LEVEL OF TRANQUILITY
Sound insulation at the highest level
The STB POWER LINE is BUCHELE’s answer to extreme sound insulation requirements. With tested sound insulation values of up to 60 dB in accordance with DIN EN ISO 10140-2, it offers reliable shielding – even at low frequencies from 125 Hz.
Powerful technology in detail
Technical properties STB POWER LINE
| Fire protection | EN 1634-1 | EI2 30 |
| Fire protection | EN 1634-3 | S 200 |
| Sound insulation | EN ISO 10140-2 | 51 to 60 dB |
| Burglary protection | EN 1627 | RC2 to RC 5 |
| Bullet resistance | EN 1522 | FB4/FB6, FB7-NS |
| Air/gas permeability | EN 1026 | up to class 4 |
| Resistance to driving rain | EN 1027 | up to class 6A |
| Resistance to wind load | EN 12211 | up to class C5 |
| Pressure resistance | EN 13124-1 | up to 20 kPa |
| Explosion protection | EN 1127-1 | up to Zone 1/21 |
Premium finish for every door
Special hardware technology:
- Specially designed and manufactured for maximum performance
- Our clamping lever hardware is sturdy and durable, ensuring maximum stability and optimal ease of use
- Special locks with a locking screw for maximum clamping pressure
- Operating error lock
- Optional with an additional panic release function
Quality down to the last detail
Variants & special solutions
- Single-leaf or double-leaf door design
- Various threshold options: including an accessible raised threshold
- Also available with a light well and double-pane glazing
- Additional installation of acoustic absorber elements
- Upstream belt design for maximum clear passage at full opening angle
- Oversized sizes are available upon request
Versatile and customizable
Areas of application
- Power plants & industrial halls
- Industrial facilities & test benches
- Research institutions
- Automotive & Aerospace
- Theater & Cultural buildings
- Recording Studios
Excellence in every detail
Quality and certification
All STB POWER LINE doors are tested as complete elements – including frames, glazing, and accessories. The tests are carried out by authorized testing institutions and are documented with test reports and identification labels.
The STB POWER LINE is a technical masterpiece for demanding acoustic and safety requirements.
It combines robust construction with an elegant appearance and offers a wide range of protective functions – individually configurable and architecturally integrable.