# Modify Roof Truss Type

* Select a truss which is created with the **Truss Builder** and select **Modify Roof Truss Type** directly from **Truss+** menu

![](https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2FOB3j1WGtgXc6plxAZi5A%2F0.jpeg?alt=media)

* Modify bottom chord parameters and web design in the graphical window of **Truss Builder**
* You can overwrite existing truss with new design or create a new Truss Family

![](https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2FWt9az3YbrBMWNxucu6bj%2F1.jpeg?alt=media)

![](https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2FjBYDxPgEVsOU43icoRsG%2F2.jpeg?alt=media)