> For the complete documentation index, see [llms.txt](https://docs.cscale.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cscale.io/users-guide/reduce-emissions/carbon-reduction-measures/interiors.md).

# Interiors

### Floor Area w/ Fit-Out

The percentage of floor space that will be fitted out for occupation by building tenants. The default value is 70%. If tenant fit-out is outside the project scope, this field can be set to 0%.

### Interior Fit Out Specification

The specification of the fittings, furniture, and fixtures required for the use of the building by its tenants. These specification levels do not describe specific fit-outs or materials. Instead, they approximate the 80th, 50th, and 20th percentile of the distribution of all available data on tenant fit-outs. 

<details>

<summary>Interior Fit Out Specification Choices (Carbon Intensity)</summary>

* **Low Carbon (20th percentile).** 20th percentile of GWP for interior fitouts.&#x20;
* **Average (50th percentile).** 50th percentile of GWP for interior fitouts.&#x20;
* **High Carbon (80th percentile).** 80th percentile of GWP for interior fitouts.&#x20;
* **Custom**. Enter a custom carbon intensity.

</details>

<div align="left"><figure><img src="/files/5PTzN1xN8eGBvdbe1wtk" alt="" width="339"><figcaption><p>Choose from pre-defined interior carbon intensities, or input a custom value.</p></figcaption></figure></div>

**Interior Reuse**

The reuse of interior fitout materials as a percentage of the total fitout. *Note that these measures only affect upfront emissions; refurbishments are counted normally.*&#x20;

#### Interiors Service Life

The length of time over which a majority of the interior fit out will be replaced.


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