# Wall expansion construction research

> Wall expansion construction: Required Materials. Timber, Iron Ore

Canonical: https://lostark.wiki/database/stronghold-research/wall-expansion-construction-100208?relation=research_materials

Expand the walls to expand the warehouse. The patrol sighs  
as the time it takes to patrol the warehouse increases by 10 minutes.

## Facts

- **Category**: Roster Storage Expansion
- **Time Taken**: 0d 18:00:00
- **Required Action Energy**: 5,184
- **Research Cost**: 56 Gold
- **Stronghold XP gained**: 10,368
- **Research Requirements**: Lab Lv. 3; Stronghold Lv. 20 or above; [Manor Lv. 3](https://lostark.wiki/database/stronghold-research/manor-lv-3-101003); [New basement construction](https://lostark.wiki/database/stronghold-research/new-basement-construction-100207)

## Related

- [Required by research](https://lostark.wiki/database/stronghold-research/wall-expansion-construction-100208#relationships) (1)
- [Research Requirements](https://lostark.wiki/database/stronghold-research/wall-expansion-construction-100208?relation=research_requires#relationships) (2)
- [Required Materials](https://lostark.wiki/database/stronghold-research/wall-expansion-construction-100208?relation=research_materials#relationships) (2)

### Required Materials

1–2 of 2

| Name | Quantity | Details |
| --- | --- | --- |
| [Timber](https://lostark.wiki/database/items/timber-6882301) | 68 | Quantity 68 |
| [Iron Ore](https://lostark.wiki/database/items/iron-ore-6882401) | 23 | Quantity 23 |

## Related

- [Home](https://lostark.wiki/)
- [Stronghold Research](https://lostark.wiki/database/stronghold-research)