# Ceiling extension construction research

> Ceiling extension construction: Research Requirements. Wall expansion construction, Manor Lv. 4

Canonical: https://lostark.wiki/database/stronghold-research/ceiling-extension-construction-100209?relation=research_requires

Extend the height of the warehouse ceiling. Now no one will  
have to bend over to enter the warehouse. Even the Guardian.

## Facts

- **Category**: Roster Storage Expansion
- **Time Taken**: 0d 20:00:00
- **Required Action Energy**: 5,760
- **Research Cost**: 62 Gold
- **Stronghold XP gained**: 11,520
- **Research Requirements**: Lab Lv. 4; Stronghold Lv. 25 or above; [Manor Lv. 4](https://lostark.wiki/database/stronghold-research/manor-lv-4-101004); [Wall expansion construction](https://lostark.wiki/database/stronghold-research/wall-expansion-construction-100208)

## Related

- [Required by research](https://lostark.wiki/database/stronghold-research/ceiling-extension-construction-100209#relationships) (1)
- [Research Requirements](https://lostark.wiki/database/stronghold-research/ceiling-extension-construction-100209?relation=research_requires#relationships) (2)
- [Required Materials](https://lostark.wiki/database/stronghold-research/ceiling-extension-construction-100209?relation=research_materials#relationships) (2)

### Research Requirements

1–2 of 2

| Name | Details |
| --- | --- |
| [Wall expansion construction](https://lostark.wiki/database/stronghold-research/wall-expansion-construction-100208) |  |
| [Manor Lv. 4](https://lostark.wiki/database/stronghold-research/manor-lv-4-101004) |  |

## Related

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