Anti-intrusion class 4 security door. Mod. 884

The safest Di.Bi. security door, 884 is the answer to people who require the upmost security standard for his house or working place. It’s been designed with special reinforcement on the leaf and the subframe to protect the fixed deadbolts, the lateral deadbolts, the locking system and the leaf.

884 can be customized as all DI.BI. security doors, both in terms of finishing panels and installing solutions, offering our highest anti-intrusion class.

884 is available for standard and out of standard dimensions, as a security door for internal or external installation.

Thermal insulation: 1,13 - 1,26 W/m²K

Acoustic insulation: 30-31 dB

Anti-intrusion: Class 4

Air permeability: Class 3

Resistance to wind load: Class C5

Watertightness: Class 9

Installation: Security doors for external installation.

Acoustic insulation notes: 30 dB with external panel 4mm thick, 31 dB with external panel 10mm thick.

Thermal transmittance notes: 1,13 W/m²K with external panel 20mm thick, 1,26 W/m²K with external panel 4mm thick.