Secondary exit

Shock wave absorption and gas-tight secondary exit for exiting the shelter.

Gas hatch

Gas-tight hatch for entry and exit through the secondary exit.

Gas door

Gas-tight door for entry and exit through the airlock.

Shelter door

A shelter door is used where doorways are required for a shelter’s entry and exit or its peaceful use. The door must provide the doorway with the required shrapnel, radiation, fire, and shock wave protection.