How Many F1 grenades for a Sheet Metal Door?

500 F1 grenades
500 F1 grenades destroys a Sheet Metal Door (250 HP), from either side. That's 30,000 sulfur once you count the gunpowder, and about 116m 40s to place.
Explosive 5.56 Ammo is cheaper for this.
63× Explosive 5.56 Ammo costs 1,575 sulfur against 30,000 for 500 F1 grenades — a difference of 28,425 sulfur per a Sheet Metal Door. If you've already got the F1 grenades, use them; if you're farming from scratch, don't.
What 500 F1 grenades costs
These are full craft costs — the sulfur figure includes everything that goes into the gunpowder, which is why it's bigger than the recipe on the item page suggests. Sulfur is the number that actually matters, because it's the thing you farm.
Every way to break a Sheet Metal Door
| Method | Qty | Sulfur | Time |
|---|---|---|---|
| Explosive 5.56 Ammocheapest | 63 | 1,575 | 19s |
| Propane Explosive Bomb | 2 | 1,800 | 12s |
| Satchel Charge | 4 | 1,920 | 32s |
| Timed Explosive Charge | 1 | 2,200 | 10s |
| High Velocity Rocket | 11 | 2,200 | 2m 12s |
| Beancan Grenade | 21 | 2,520 | 2m 6s |
| Rocket | 2 | 2,800 | 10s |
| F1 Grenadethis page | 500 | 30,000 | 116m 40s |
Other ways to raid a Sheet Metal Door
F1 grenades against other targets
Frequently Asked Questions
How many F1 grenades for a Sheet Metal Door in Rust?expand_more
500 F1 grenade to destroy a Sheet Metal Door, from either side — that's 30,000 sulfur once you count the full gunpowder chain
How much F1 grenades do you need for a Sheet Metal Door?expand_more
You need 500 F1 grenades to break a Sheet Metal Door, from either side — 'how much' and 'how many' come out to the same number.
Are F1 grenades the cheapest way to raid a Sheet Metal Door?expand_more
No. Explosive 5.56 Ammo is cheaper on sulfur for this target — 63× costs 1,575 sulfur versus 30,000 for 500 F1 grenades. That said, cheapest isn't always right: F1 grenades may be faster to place or already in your base, and sulfur you've already farmed is a sunk cost.
How much sulfur is 500 F1 grenades?expand_more
30,000 sulfur, plus 45,000 charcoal and 12,500 metal fragments. That's the full craft cost including the gunpowder each F1 grenade needs, not just the final recipe.
How long does it take to raid a Sheet Metal Door with F1 grenades?expand_more
About 116m 40s of placement time for 500 — that's the deploy time, not the farming. The farming is the real cost, and it's why people check this number before they commit.
Amounts come from the same sourced raid chart as our raid calculator and every /raid/ page, so they can't disagree with each other — verified for the Livestock wipe. Deployables and external walls are approximate; always test on your own server build. Sulfur includes the full gunpowder chain.
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