Structure
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Colonists can build structures of a various materials, each with different beauty, flammability, and hit-points. Enclosed areas will automatically prompt colonists to build a roof unless you apply a no roof region, or if the structure is too large (over 300 cells). Structures leave ash on the ground when burnt.
Walls
Walls are impassable structures capable of supporting a roof. Walls can be built out of any building material. Power conduits may be constructed in an existing wall without the mood penalty if the conduit is not in the wall. Smoothing natural stone walls allows conduits to be placed beneath them. Walls require 5 materials to construct.
Constructed walls
Stats table
 Wall
|
Beauty | Work to Build | HP | Flammability | Market Value |
|---|---|---|---|---|---|
| Material | |||||
 Bioferrite  |
0 | 338 ticks (5.63 secs) | 600 | 75% | 4.95  |
 Gold |
20 | 122 ticks (2.03 secs) | 180 | 40% | 500 |
 Granite blocks |
0 | 950 ticks (15.83 secs) | 510 | 0% | 7.9 |
 Limestone blocks |
0 | 950 ticks (15.83 secs) | 465 | 0% | 7.9 |
 Marble blocks |
1 | 883 ticks (14.72 secs) | 360 | 0% | 7.7 |
 Plasteel |
0 | 297 ticks (4.95 secs) | 840 | 0% | 46 |
 Sandstone blocks |
0 | 815 ticks (13.58 secs) | 420 | 0% | 7.4 |
| Silver |
6 | 135 ticks (2.25 secs) | 210 | 40% | 51 |
 Slate blocks |
0 | 950 ticks (15.83 secs) | 390 | 0% | 7.9 |
 Steel |
0 | 135 ticks (2.25 secs) | 300 | 40% | 10 |
 Jade |
10 | 675 ticks (11.25 secs) | 150 | 0% | 27 |
 Uranium |
0 | 257 ticks (4.28 secs) | 750 | 0% | 31 |
 Wood |
0 | 95 ticks (1.58 secs) | 195 | 100% | 6.3 |
Natural walls
These cannot be constructed, only mined, but act largely like walls and are provided for comparisons sake.
| Material | HP | Flammability | Beauty | Value [1] |
|---|---|---|---|---|
| Plasteel Ore | 8000 | 0% | 0 | 0 |
| Silver Ore | 1500 | 0% | 0 | 0 |
| Steel Ore | 1500 | 0% | 0 | 0 |
| Uranium Ore | 4000 | 0% | 0 | 0 |
| Jade Ore | 1500 | 0% | 0 | 0 |
| Gold Ore | 1500 | 0% | 0 | 0 |
| Compacted machinery | 2000 | 0% | 0 | 0 |
| Granite | 900 | 0% | -2 | 0 |
| Limestone | 700 | 0% | -2 | 0 |
| Marble | 450 | 0% | -1 | 0 |
| Sandstone | 400 | 0% | -2 | 0 |
| Slate | 500 | 0% | -2 | 0 |
- ↑ Not sellable.
Smoothed walls
Rather than being directly constructed like other walls, these walls are created by smoothing existing rock walls.
| Material | HP | Work Required | Flammability | Beauty | Value[1][2] | Cover Effectiveness |
|---|---|---|---|---|---|---|
| Smoothed Granite Wall | 900 | 6,500 ticks (1.81 mins) | 0% | 1 | 1 (20) | 75% |
| Smoothed Limestone Wall | 700 | 6,500 ticks (1.81 mins) | 0% | 1 | 1 (20) | 75% |
| Smoothed Marble Wall | 450 | 6,500 ticks (1.81 mins) | 0% | 2 | 1 (25) | 75% |
| Smoothed Sandstone Wall | 400 | 6,500 ticks (1.81 mins) | 0% | 1 | 1 (18) | 75% |
| Smoothed Slate Wall | 500 | 6,500 ticks (1.81 mins) | 0% | 1 | 1 (20) | 75% |
Doors
Door
Doors provide entry points through walls for colonists while still keeping out enemies and wild animals. Pawns manually open doors which causes a delay as they try to pass through, as opposed to autodoors which open on demand and allow faster passage. All doors are generally locked to hostile entities, including prisoners, raiders and mad animals. A door can be marked to "Hold open," which means the next time it is opened, it will stay open, and then all pawns can pass through. A door can also be marked "Forbid". Colonists and tamed animals don't use forbidden doors, even if they're held open. However visitors, traders, and colonists on mental breakdowns ignore the forbidden status.
Stats table
 Door
|
Beauty | Work to Build | HP | Flammability | Door Speed |
Market Value |
|---|---|---|---|---|---|---|
| Material | ||||||
| Bioferrite |
0 | 2,125 ticks (35.42 secs) | 320 | 75% | 100% | 26 |
| Gold |
20 | 765 ticks (12.75 secs) | 96 | 40% | 100% | 2,505 |
| Granite blocks |
0 | 5,240 ticks (1.46 mins) | 272 | 0% | 45% | 41 |
| Limestone blocks |
0 | 5,240 ticks (1.46 mins) | 248 | 0% | 45% | 41 |
| Marble blocks |
1 | 4,815 ticks (1.34 mins) | 192 | 0% | 45% | 40 |
| Plasteel |
0 | 1,870 ticks (31.17 secs) | 448 | 0% | 100% | 230 |
| Sandstone blocks |
0 | 4,390 ticks (1.22 mins) | 224 | 0% | 45% | 38 |
| Silver |
6 | 850 ticks (14.17 secs) | 112 | 40% | 100% | 255 |
| Slate blocks |
0 | 5,240 ticks (1.46 mins) | 208 | 0% | 45% | 41 |
| Steel |
0 | 850 ticks (14.17 secs) | 160 | 40% | 100% | 51 |
| Jade |
10 | 4,250 ticks (1.18 mins) | 80 | 0% | 100% | 140 |
| Uranium |
0 | 1,615 ticks (26.92 secs) | 400 | 0% | 75% | 156 |
| Wood |
0 | 595 ticks (9.92 secs) | 104 | 100% | 120% | 32 |
Autodoor
Autodoors are regular doors that open and close 4x as fast, but need to constantly draw 50 W of power. Lacking sufficient power, they lose the speed bonus and act like regular doors, until power is returned.
Powered autodoors made of stone open slightly faster than regular wooden doors. Powered autodoors made of any material other than stone open fast enough that pawns are not slowed down when passing through.
In all other aspects, an autodoor is identical to a regular door made of the same material.
Construction requires 30% additional work, 40 steel and 2 components on top of the 25 base material for the regular door.
For more info, see the main article Autodoor.
Stats table
 Autodoor
|
Beauty | Work to Build | HP | Flammability | Door Speed |
Market Value |
|---|---|---|---|---|---|---|
| Material | ||||||
| Bioferrite |
0 | 2,750 ticks (45.83 secs) | 320 | 75% | 400% | 169 |
| Gold |
20 | 990 ticks (16.5 secs) | 96 | 40% | 400% | 2,645 |
| Granite blocks |
0 | 6,740 ticks (1.87 mins) | 272 | 0% | 180% | 187 |
| Limestone blocks |
0 | 6,740 ticks (1.87 mins) | 248 | 0% | 180% | 187 |
| Marble blocks |
1 | 6,190 ticks (1.72 mins) | 192 | 0% | 180% | 185 |
| Plasteel |
0 | 2,420 ticks (40.33 secs) | 448 | 0% | 400% | 375 |
| Sandstone blocks |
0 | 5,640 ticks (1.57 mins) | 224 | 0% | 180% | 183 |
| Silver |
6 | 1,100 ticks (18.33 secs) | 112 | 40% | 400% | 395 |
| Slate blocks |
0 | 6,740 ticks (1.87 mins) | 208 | 0% | 180% | 187 |
| Steel |
0 | 1,100 ticks (18.33 secs) | 160 | 40% | 400% | 192 |
| Jade |
10 | 5,500 ticks (1.53 mins) | 80 | 0% | 400% | 285 |
| Uranium |
0 | 2,090 ticks (34.83 secs) | 400 | 0% | 300% | 295 |
| Wood |
0 | 770 ticks (12.83 secs) | 104 | 100% | 480% | 173 |
Bridge
Bridges are structures that can be built on water. Bridges allow more rapid movement across water. Once built, they can support many structures, including wooden walls, but not particularly heavy structures including any other type of wall. Bridges allow for easier building in swampy biomes. Floors may not be built atop bridges.
Bridges cost 12 wood each. They can be damaged or destroyed by fire or explosions, including whatever was built on top.
Column
Columns are passable structures which are capable of holding a roof which do not block sight, or movement and look quite nice. They have x/1.875 (.533x) of a wall's normal health, 4x the beauty, and 4x the value. They also have 25% cover effectiveness and do not slow down pawns. These were introduced in 1.1.
Stats table
 Column
|
Beauty | Work to Build | HP | Flammability | Market Value |
|---|---|---|---|---|---|
| Material | |||||
| Bioferrite |
1 | 1,875 ticks (31.25 secs) | 320 | 75% | 22 |
| Gold |
40 | 675 ticks (11.25 secs) | 96 | 40% | 2,000 |
| Granite blocks |
5 | 4,640 ticks (1.29 mins) | 272 | 0% | 35 |
| Limestone blocks |
5 | 4,640 ticks (1.29 mins) | 248 | 0% | 35 |
| Marble blocks |
8 | 4,265 ticks (1.18 mins) | 192 | 0% | 33 |
| Plasteel |
5 | 1,650 ticks (27.5 secs) | 448 | 0% | 186 |
| Sandstone blocks |
5 | 3,890 ticks (1.08 mins) | 224 | 0% | 32 |
| Silver |
16 | 750 ticks (12.5 secs) | 112 | 40% | 205 |
| Slate blocks |
5 | 4,640 ticks (1.29 mins) | 208 | 0% | 35 |
| Steel |
5 | 750 ticks (12.5 secs) | 160 | 40% | 41 |
| Jade |
22 | 3,750 ticks (1.04 mins) | 80 | 0% | 114 |
| Uranium |
2 | 1,425 ticks (23.75 secs) | 400 | 0% | 125 |
| Wood |
5 | 525 ticks (8.75 secs) | 104 | 100% | 26 |