// exact calculation
How many F1 Grenade for Sheet Metal Door
Calculation for Sheet Metal Door (250 HP) using this explosive type only.
HP
50items
needed when raiding with F1 Grenade alone
needed when raiding with F1 Grenade alone
Target hitpoints250
Total sulfur3,000
Sulfur per unit60
Harmless overkill0
Explosive Rifle Ammo is cheaper: saves 1,425 sulfur. See the Explosive Rifle Ammo calculation →
// method comparison
Other ways to break Sheet Metal Door
| Explosive type | Quantity | Sulfur |
|---|---|---|
| Explosive Rifle Ammocheapest | 63 rounds | 1,575 |
| Propane Explosive Bomb (planted) | 2 items | 1,800 |
| Propane Explosive Bomb (catapult) | 2 items | 1,800 |
| Satchel Charge | 4 items | 1,920 |
| Beancan Grenade | 18 items | 2,160 |
| Timed Explosive Charge | 1 items | 2,200 |
| Rocket | 2 items | 2,800 |
| F1 Grenade | 50 items | 3,000 |
← All raid methods for Sheet Metal Door
Important: this is a reference minimum from the current database, not a guarantee. Check the source and target state before a raid.