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Divides rooms. Powered operation allows people to move through the door without slowing down.

Base Stats

1 ˣ 1
Cover Effectiveness


Required Research
Skill Required
Construction 6
Work To Make
1,100 ticks (18.33 secs)
Stuff tags
Metallic, Woody, Stony
Resources to make
Buildingmats.png 25 + Steel.png 40 + Component.png 2

Autodoors are powered doors that open and close a lot faster than regular doors of the same material.


Autodoors can be be constructed with Building Material (steel, wood, plasteel, etc.) 25 Stuff (Wood/Metals/Stone), Steel.png 40 Steel, Component.png 2 Component and 1,100 ticks (18.33 secs) after the autodoor technology has been researched.


The autodoor draws 50 W of power at all times. If not enough power is available or the door breaks down, it behaves exactly like a regular door of the same material.

Contrarily to the in-game description, not all autodoors allow unimpeded movement. Actually, a powered autodoor opens at 400% speed. This means that all powered autodoors that are not made of stone indeed do not slow colonists down; walk speeds that would be high enough to have an effect in this case are not achievable in practice. Stone autodoors, however, open only slightly faster than regular wooden doors.

The below animation shows a comparison of different door types and materials (the animals all have the same movement speed of 5 c/s, comparable to a fast human pawn).

Opening speed of various doors. Door materials from top to bottom: stone (manual), no door, steel (auto), wood (auto), stone (auto), steel (manual), wood (manual)


  • Work to build an autodoor is 130% the value of the corresponding regular door.
  • Most other relevant stats (except opening/closing speed) are unchanged from regular doors of the same material.


  • Steel autodoors offer the best compromise of durability and speed. Even unpowered they are only slightly slower than wooden doors, but a lot less flammable.
  • If fire immunity is required, a granite autodoor offers the highest durability of the stone doors (270 hit points). In practice, a Plasteel autodoor is probably the better choice (450 hit points, opens like a steel door when unpowered).
  • Due to the non-trivial power and materials cost, most bases want to use autodoors only in select locations.
  • Stone autodoors are risky to use, because in times of power failure they will slow down colonists tremendously. This is especially painful because a blackout situation is very often also an emergency situation, where free movement is important.
  • Since autodoors not only open, but also close fast, they help when a pawn needs to flee from a threat. This means that compared to the regular door, the auto door is more likely to close before the pursuer can step through or block the door.
  • Stone autodoors being only slightly faster than (regular) wooden doors means they are not practical in most situations, except when fire immunity is absolutely required, and a failing autodoor would not pose a problem.

Material Table

  • Material Stuff cost Beauty Work Mass HP Flammability Door Speed Terrain Affordance Market Value
    Wooden Autodoor Wood.png 25 0 770 ticks (12.83 secs) - 104 100%
    120% Light
    173 Silver
    Granite Autodoor Granite blocks.png 25 0 6,600 ticks (1.83 mins) - 272 0%
    45% Heavy
    186 Silver
    Limestone Autodoor Limestone blocks.png 25 0 6,600 ticks (1.83 mins) - 248 0%
    45% Heavy
    186 Silver
    Marble Autodoor Marble blocks.png 25 1 6,050 ticks (1.68 mins) - 192 0%
    45% Heavy
    184 Silver
    Sandstone Autodoor Sandstone blocks.png 25 0 5,500 ticks (1.53 mins) - 224 0%
    45% Heavy
    182 Silver
    Slate Autodoor Slate blocks.png 25 0 6,600 ticks (1.83 mins) - 208 0%
    45% Heavy
    186 Silver
    Jade Autodoor Jade.png 25 10 5,500 ticks (1.53 mins) - 80 0%
    90% Heavy
    285 Silver
    Golden Autodoor Gold.png 250 20 990 ticks (16.5 secs) - 96 40%
    100% Medium
    2645 Silver
    Plasteel Autodoor Plasteel.png 25 0 2,420 ticks (40.33 secs) - 448 0%
    100% Medium
    375 Silver
    Silver Autodoor Silver.png 250 6 1,100 ticks (18.33 secs) - 112 40%
    100% Medium
    395 Silver
    Steel Autodoor Steel.png 25 0 1,100 ticks (18.33 secs) - 160 40%
    100% Medium
    192 Silver
    Uranium Autodoor Uranium.png 25 0 2,090 ticks (34.83 secs) - 400 0%
    75% Medium
    295 Silver
    Assuming Normal quality, for the effect of other qualities, see Quality.
  • Styles