> For the complete documentation index, see [llms.txt](https://ss3d.gitbook.io/design/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ss3d.gitbook.io/design/environment/construction/construction-recipes/walls-windows.md).

# Walls / Windows

## Walls / Windows <img src="https://lh3.googleusercontent.com/Gu82RVgvMEJshQ79i0fFAW66sFtgTQLpF0AfwWAyR1F3l7HRUfMEF4FfTpmX8vjrk_9rxG7ehL-0jjHLnOS2A6S8CC0wLM7EWRi5OGGk5-j8qg-7am-LlKL4CxpPE6MiTQBYwsnmByIs66rAcKTFVw" alt="" data-size="line">

*The construction process for walls/windows may vary depending on their type. And these current recipes may not be final.*

In any case, the wall starts with a metal wall girder. It's like a frame for a wall to be filled with metal or glass to be completed. It can be made on a spot, if player character has metal rods or what have they in one hand and a tool for connecting them in the other. Applying a tool to the materials (dictated by the [crafting](/design/actions/crafting.md) recipe or a choice in the opened menu for building) results in creating a physical, always upright metal girder in front of the player.

It can be dragged or pushed to be relocated to a different location. It is even [connectable](/design/environment/connectables.md), meaning it can attach to nearby objects of the same type (other walls). In order to be connected to the other walls, it needs to be bolted to a tile, adjacent to the other object of the same type. Player just needs to drag the girder to the nearest wall, place it near the center of the needed tile and bolt it using a wrench.

From that point onward it can be upgraded to an actual wall or window. This is recommended because a girder isn't pressurized and wont hold in your atmosphere, or stop fire from spreading, etc.

<figure><img src="https://3662897456-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhffJRpQgXgXOOhvtML3c%2Fuploads%2Fgit-blob-8ac92f403b3052fbf9455299a6f73b5f4a853d6b%2Fmetal%20walls%20%26%20windows.png?alt=media" alt=""><figcaption><p>Example recipe for walls &#x26; windows.</p></figcaption></figure>

Reinforcement and other forms of modifications should also be built on the same principle.

<figure><img src="https://3662897456-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhffJRpQgXgXOOhvtML3c%2Fuploads%2Fgit-blob-fa55f0ea0db85d863db99204b9c8bdf675f2713d%2Freinforced%20metal%20walls%20%26%20windows.png?alt=media" alt=""><figcaption><p>Example recipe for reinforced walls &#x26; windows.</p></figcaption></figure>

Like all objects in this game, many walls have unique properties. Natural rocks walls are easily destroyed via many tools in the game, yet cannot be built rebuilt.


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