The airtight door while closed is certainly airtight it seems to have no oxygen when standing in the cube space whatsoever.
How to build opening hanger roof space engineers.
The trick is using merge blocks hangar doors to make a seal.
If you want help building something let me know i may have the solution.
Mar 29 2014 3 20am i have many hatches and a huge bay door to my asteroid base all work perfectly fine.
The block s functionality and user interface are.
Adding a sensor and some timer blocks will automate the hangar making it easier for ships or the player to enter and exit.
The airtight hangar door is a large ship only block that telescopes from its standard size of 1x1x1 to 3x1x1.
Just make a working hangar door with 1 rotor and attach 2 3 landing gears on one side so that you can open close doors and then stick them to hangar walls so no ripping will occur.
Unlike the previously available blast doors built using various iterations of blast door blocks and pistons this block does not form a separate grid and once closed creates an enclosed space that can be pressurized via air vents.
Grouping the hangar doors together will help opening and closing them easier and quicker rather than one by one.