Rust Manual

Stone

500 health per piece — the cost to build or upgrade one wall, floor or foundation to Stone grade, plus what it takes to raid through it.
Health
500
Upgrade cost
Damage resistance
Heat 100%Radiation 100%Arrow 100%AntiVehicle 100%Collision 100%Paintball 100%
Raid cost
ExplosiveDamage / chargeCharges needed
Timed Explosive Charge
2752
Satchel Charge
51.510
Beancan Grenade
1146
F1 Grenade
2.8182
Flashbang
0.41250
Bee Grenade
0.41250

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 Stone's actual damage-resistance values.