How Many C4 for a Stone Floor?
2 C4
2 C4 destroys a Stone Floor (500 HP) from the hard side. That's 4,400 sulfur once you count the gunpowder, and about 20s to place.
What 2 C4 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 Stone Floor
| Method | Qty | Sulfur | Time |
|---|---|---|---|
| Timed Explosive Chargethis pagecheapest | 2 | 4,400 | 20s |
| Explosive 5.56 Ammo | 185 | 4,625 | 56s |
| Satchel Charge | 10 | 4,800 | 1m 20s |
| Beancan Grenade | 46 | 5,520 | 4m 36s |
| Rocket | 4 | 5,600 | 20s |
| Propane Explosive Bomb | 7 | 6,300 | 42s |
| High Velocity Rocket | 32 | 6,400 | 6m 24s |
| F1 Grenade | 182 | 10,920 | 42m 28s |
Other ways to raid a Stone Floor
C4 against other targets
Frequently Asked Questions
How many C4 for a Stone Floor in Rust?expand_more
2 C4 to destroy a Stone Floor from the hard side — that's 4,400 sulfur once you count the full gunpowder chain.
Are C4 the cheapest way to raid a Stone Floor?expand_more
Yes — on sulfur, C4 are the cheapest method we have data for against a Stone Floor, at 4,400 sulfur. Worth knowing that cheapest isn't always fastest: placement time and how loud a method is both matter when you're on the clock.
How much sulfur is 2 C4?expand_more
4,400 sulfur, plus 6,000 charcoal and 400 metal fragments. That's the full craft cost including the gunpowder each C4 needs, not just the final recipe.
How long does it take to raid a Stone Floor with C4?expand_more
About 20s of placement time for 2 — 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 July 2026 wipe. Deployables and external walls are approximate; always test on your own server build. Sulfur includes the full gunpowder chain.
Related guides
A real player's Rust raid guide: exact sulfur costs per structure, C4 vs rockets vs satchels vs eco raiding, online/offline tactics and defence.
A no-BS Rust base design guide: building tiers, upkeep, tool cupboards, bunkers, airlocks and honeycomb, plus the raid costs that actually matter.
The best Rust scrap farming sources ranked: recycling, road barrels, monument crates, diving crates, cargo and oil rig. Plus a fastest-scrap early routine.