Industry25 levels
Sawmills
Boosts Lumber Camp Wood output. The current bonus at every level is listed below.
- Level 1
- +5% Wood
- Level 25
- +40% Wood
- Total cost, all levels
305,361 Wood
216,108 Stone
83,413 Metal
- Total base build time
- 6d

On this page
What it does #
Boosts Lumber Camp Wood output. The current bonus at every level is listed below.
The percentage multiplies the producer's base hourly rate, including offline collection until storage fills.
Current support bonus: +5% at level 1 to +40% at level 25. The current upgrade prices use the reduced support-building cost curve.
The level table uses base values before VIP, active monument, and other conditional bonuses. A requirement is checked against the target level.
Every level #
Upgrade calculator
- Total cost
- —
- Total base time
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- Needs at target
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- Output at target
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Sums every level in the range using base build times (before VIP). Two builder slots let you run orders in parallel.
| Level | Requirement | Build cost | Base time | Output / bonus / unlock |
|---|---|---|---|---|
| 1 | Hall lv 1 | 1m | +5% Wood | |
| 2 | Hall lv 2 | 1m | +6.46% Wood | |
| 3 | Hall lv 3 | 2m | +7.92% Wood | |
| 4 | Hall lv 4 | 4m | +9.38% Wood | |
| 5 | Hall lv 5 | 7m | +10.83% Wood | |
| 6 | Hall lv 6 | 13m | +12.29% Wood | |
| 7 | Hall lv 7 | 22m | +13.75% Wood | |
| 8 | Hall lv 8 | 34m | +15.21% Wood | |
| 9 | Hall lv 9 | 50m | +16.67% Wood | |
| 10 | Hall lv 10 | 1h 11m | +18.13% Wood | |
| 11 | Hall lv 11 | 1h 37m | +19.58% Wood | |
| 12 | Hall lv 12 | 2h 8m | +21.04% Wood | |
| 13 | Hall lv 13 | 2h 46m | +22.5% Wood | |
| 14 | Hall lv 14 | 3h 31m | +23.96% Wood | |
| 15 | Hall lv 15 | 4h 24m | +25.42% Wood | |
| 16 | Hall lv 16 | 5h 24m | +26.88% Wood | |
| 17 | Hall lv 17 | 6h 33m | +28.33% Wood | |
| 18 | Hall lv 18 | 7h 51m | +29.79% Wood | |
| 19 | Hall lv 19 | 9h 19m | +31.25% Wood | |
| 20 | Hall lv 20 | 10h 58m | +32.71% Wood | |
| 21 | Hall lv 21 | 12h 47m | +34.17% Wood | |
| 22 | Hall lv 22 | 14h 47m | +35.62% Wood | |
| 23 | Hall lv 23 | 17h | +37.08% Wood | |
| 24 | Hall lv 24 | 19h 26m | +38.54% Wood | |
| 25 | Hall lv 25 | 22h 4m | +40% Wood |
Rules reference. Values come from the game rules at revision 999310651f (snapshot e5f090b681, checked 5 October 2026). Base values exclude conditional bonuses such as VIP and active monuments. Numbers can change between playtest updates.