
Rust Foundation
VariantsSquareTriangle
The base every structure sits on. Comes as a square or triangle; triangles cost about half a square to build and upgrade.
Foundation at every grade
tap a grade for its full raid tableFoundation

Twig10 HP
- Build
50Wood- Break
1Rockets
1C4- Cheapest
2Explosive Ammo50 S- Decay
- 1h

Wood250 HP
- Build
200Wood- Break
2Rockets
1C4- Cheapest
48Explosive Ammo1,200 S- Decay
- 3h

Stone500 HP
- Build
300Stones- Break
4Rockets
2C4- Cheapest
2C44,400 S- Decay
- 5h

Sheet Metal1,000 HP
- Build
200Metal Fragments- Break
8Rockets
4C4- Cheapest
4C48,800 S- Decay
- 8h

Armored2,000 HP
- Build
25High Quality Metal- Break
15Rockets
8C4- Cheapest
8C417,600 S- Decay
- 12h
Triangle Foundation

Twig10 HP
- Build
25Wood- Break
1Rockets
1C4- Cheapest
2Explosive Ammo50 S- Decay
- 1h

Wood250 HP
- Build
100Wood- Break
2Rockets
1C4- Cheapest
48Explosive Ammo1,200 S- Decay
- 3h

Stone500 HP
- Build
150Stones- Break
4Rockets
2C4- Cheapest
2C44,400 S- Decay
- 5h

Sheet Metal1,000 HP
- Build
100Metal Fragments- Break
8Rockets
4C4- Cheapest
4C48,800 S- Decay
- 8h

Armored2,000 HP
- Build
13High Quality Metal- Break
15Rockets
8C4- Cheapest
8C417,600 S- Decay
- 12h
HP and raid cost come from the grade, not the block type. Build cost depends on the shape: triangles cost half a square. Siege weapons can also breach walls.
Other blocks
Every building block →Rust foundation: common questions
- How many rockets does a stone foundation take?
- 4 rockets, 2 C4 or 10 satchels. A sheet metal foundation takes 8 rockets and an armored one 15.
- How much HP does a foundation have in Rust?
- Twig 10, Wood 250, Stone 500, Sheet Metal 1,000, Armored 2,000 HP. The grade sets it, not the block type.
- How much does it cost to upgrade a foundation?
- Twig 50 Wood, Wood 200 Wood, Stone 300 Stones, Sheet Metal 200 Metal Fragments, Armored 25 High Quality Metal.





