

Rust Floor / Ceiling
Horizontal block placed on walls: a ceiling below, a floor above. Square, triangle and frame (hatch-ready) variants.
Floor / Ceiling at every grade
Floor / Ceiling
| Grade | HP | Build cost | Rockets | C4 | Cheapest, sulfur | Decay h |
|---|---|---|---|---|---|---|
| 10 | 1 | 1 | 1 | |||
| 250 | 2 | 1 | 3 | |||
| 500 | 4 | 2 | 5 | |||
| 1,000 | 8 | 4 | 8 | |||
| 2,000 | 15 | 8 | 12 |
Triangle Floor
| Grade | HP | Build cost | Rockets | C4 | Cheapest, sulfur | Decay h |
|---|---|---|---|---|---|---|
| 10 | 1 | 1 | 1 | |||
| 250 | 2 | 1 | 3 | |||
| 500 | 4 | 2 | 5 | |||
| 1,000 | 8 | 4 | 8 | |||
| 2,000 | 15 | 8 | 12 |
HP and raid cost come from the grade, not the block type. Build cost depends on the shape: triangles cost half a square. Open a grade for its full raid table. Siege weapons such as the Catapult and Ballista can also breach walls.
Hatches & grills that fit the floor frame
| Item | HP |
|---|---|
| 1,000 | |
| 1,000 | |
| 250 | |
| 250 | |
| 250 |
5 items, highest HP first.
Other blocks
Related pages
Rust floor / ceiling: common questions
- How many rockets does a stone floor / ceiling take?
- 4 rockets, 2 C4 or 10 satchels. A sheet metal floor / ceiling takes 8 rockets and an armored one 15.
- How much HP does a floor / ceiling 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 floor / ceiling?
- Twig 25 Wood, Wood 100 Wood, Stone 150 Stones, Sheet Metal 100 Metal Fragments, Armored 13 High Quality Metal.
- What fits in a floor / ceiling?
- 5 items. The Armored Ladder Hatch tops the list at 1,000 HP.