| Construction | Source | Result | ||
|---|---|---|---|---|
| Build Metal Door | . | empty metal door frame | + | closed metal door |
| Armor Reinforced Window | # | reinforced boarded up window | # | armored boarded up window |
| Armor Reinforced Window | # | reinforced boarded up window | # | armored boarded up window |
| Build Metal Wall | 0 | shallow pit | # | half-built simple metal wall |
| Build Metal Wall | # | half-built simple metal wall | LINE_OXOX | simple metal wall |
| Build Metal Roof | . | simple metal floor | ||
| Build Reinforced Glass Window | LINE_OXOX | reinforced glass | LINE_OXOX | reinforced glass with closed shutters |
| Reinforce Junk Metal Wall using bolts | LINE_OXOX | junk metal barrier | LINE_OXOX | junk metal wall |
| Reinforce Junk Metal Wall using spot-welds | LINE_OXOX | junk metal barrier | LINE_OXOX | junk metal wall |
| Build Junk Metal Floor | LINE_OXOX | junk metal floor |