Ballistic & Gas-Tight Protection Systems
Ballistic-rated and gas-tight doors, windows and enclosures.

ARSDEF delivers ballistic-protection and gas-tight doors, windows and enclosures for shelters, control rooms and secure facilities, where protection against projectiles and against hazardous gas ingress is required at the same time.
What is included
- Ballistic-protection doors and glazing
- Gas-tight doors and sealing systems
- Integration with shelters and secure modules
Frequently Asked Questions
What does gas-tight mean?
A gas-tight door or enclosure is sealed so that hazardous gases cannot pass through its closed openings. It is typically combined with filtered, pressurised ventilation to keep the protected space safe.
Gas-Tight Systems

Gas-Tight Door
High-tightness door systems used mainly in military facilities, shelters and critical infrastructure to stop chemical, biological or toxic gases from entering controlled areas.
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Gas-Tight Damper
Safety equipment installed in ventilation ducts to block the passage of gas.
View productPlanning a protected facility?
Tell us about your site, threat scenario and timeline. Our engineers will respond with the right solution.
