Description
The B.S.T® / O.S.T® series of steel sheet doors deliver exceptional protection and performance, tailored for demanding environments:
- Air, Wind, and Water Resistance: Sealing up to class 4 (EN 12207), wind resistance up to 5000 Pa (EN 12210), and water tightness up to Class 7b (EN 12208).
- Acoustic Insulation: Sound reduction up to 47 dB, depending on design.
- Fire Resistance: Certified up to EI230, EI260, EI290, and EI2120 per EN 1634-1.
- Smoke Resistance: Sa/S200 certification (EN 1634-3) based on dimensions.
- Security: Burglary resistance up to RC6
- Bullet resistance up to FB7-NS
- Explosion resistance up to on a need to know basis.
- Thermal Efficiency: U-values as low as 2.3 W/m²K.
- Special Feature: Watertight protection up to a 1.9 m water column with defined leakage.
These steel doors offer high security, fire protection, and environmental resistance, making them ideal for critical facilities and specialized applications.
