Sheet Metal wall
1000 health. Ignores 50% of explosion damage. Has a soft side.
Build cost
Raiding cost
Explosive · Hard side · 10 matching methods
Plan multiple targets →
| Raid tool | Amount | Time to raid | Sulfur | Raw materials |
|---|---|---|---|---|
AttachedNo wall splash | 4 | 14s | 8,800 | |
LooseNo wall splash | 4 | 14s | 8,800 | |
AttachedNo wall splash | 23 | 35s | 11,040 | |
UsingSplash 3.8m | 8 | 43s | 11,200 | |
DeployedSplash 4m | 13 | 23s | 11,700 | |
LooseNo wall splash | 27 | 39s | 12,960 | |
Splash 3.5m | 67 | 1m 17s | 13,400 | |
Splash 4.5m | 131 | 2m 15s | 15,720 | |
Splash 6m | 9,639 | 2h 40m | 578,340 | |
UsingSplash 4m | 57 | 1m 13s | - |
One target at full health and contact range, vanilla settings, fresh melee tools. Counts assume hits on the same face; the soft side only changes gun and melee counts.
How counts and times are worked out
Only direct gun and melee hits can use the soft side. Radial explosions meet the extra layer on both faces; attached charges bypass it on their target.
The splash filter describes sharing damage across walls, not collateral damage to players or nearby deployables. C4 and satchels do not share construction damage even when loose. Counts are for one target; visibility and distance determine possible splash.
Times are exact for melee and for anything fired: swings times swing delay, or shots times fire rate plus the reloads that forces. For a charge you place by hand it is one second per charge plus the fuse, and that one second is the only estimate here. Melee tool counts assume fresh tools, because repairing lowers a tool's maximum condition each time and that rate is not in the files we read. Vanilla server settings, contact range, no distance falloff.
Soft side and hard side
A wall is soft on its inside face, a floor or roof from below and a foundation from above.
Against the hard side, melee weapons land 10 times less damage and bullets and arrows land half.
Explosives, other targets and damage by type
Every building block carries an extra layer of protection on all but one face. That uncovered face is the soft side, and it is the single biggest difference between a raid that works and one that does not.
The extra layer does not reduce the Explosion damage type. Attached C4 and satchels bypass that layer on their target. Radial blasts, including rockets and thrown grenades, meet it on both faces: they cannot identify a soft-side hit. Their other damage types are still reduced.
Where the soft side is depends on the shape. A wall is soft on its interior face. A floor and a roof are soft from underneath. A foundation is soft from above. Doors, hatches, garage doors, window bars, external walls and tool cupboards have no soft side at all, so their numbers are hard-side numbers.
| Damage type | Soft side takes | Hard side takes |
|---|---|---|
| Explosion | 50.00% | 50.00% |
| Bullet | 0.01% | 0.00% |
| Slash | 1.00% | 0.10% |
| Blunt | 1.00% | 0.10% |
| Stab | 2.00% | 0.20% |
| Arrow | 0.00% | 0.00% |
| Fire | 0.00% | 0.00% |
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