- Bullet resistance for doors of Kla sse FB4 by withdrawable
- High thermal insulation due to foam composite insulation
- Completely tested according to EN 1522 for anti-penetration
- Sturdy antechamber hollow profiles
- Single and double-leaf doors opening inwards / outwards with sides / upper lights
- Wing weight up to 300 kg
- Sash sizes up to 1300 mm x 2500 mm
- Narrow profile views, compatible with standard series
- Combination with façade FB4
- Use of Schüco Protect glass for FB4