Sheet Metal
1,000 health per piece — the cost to build or upgrade one wall, floor or foundation to Sheet Metal grade, plus what it takes to raid through it.
Health
1,000
Upgrade cost
Damage resistance
Heat 100%Radiation 100%Arrow 100%AntiVehicle 100%Collision 100%Paintball 100%
Raid cost
| Explosive | Damage / charge | Charges needed |
|---|---|---|
 Timed Explosive Charge | 275 | 4 |
 Satchel Charge | 43.5 | 23 |
 Beancan Grenade | 9 | 112 |
 F1 Grenade | 1 | 993 |
 Flashbang | 0.2 | 5000 |
 Bee Grenade | 0.2 | 5000 |
Charges needed assumes every hit lands within the piece's hit area with no overlapping-radius waste, computed from each explosive's real damage against Sheet Metal's actual damage-resistance values.