Question Replace/Ignore specific texture while painting in the terrain

How do I replace or ignore a specific texture while painting in the terrain?

For example: I painted a road in the terrain using a certain texture, but now I want to replace the texture around that specific road. Painting over the area will obviously delete the road, which I want to keep.

 

To replace or ignore a specific texture while painting in the terrain, you can use the Terrain Layers feature in Unity.

https://docs.unity3d.com/Manual/class-TerrainLayer.html

 

Thanks for the pointer but I'm not sure I follow. I already have multiple layers, ticking and unticking the checkboxes of individual layers doesn't seem to affect anything as I'm still paining over everything regardless.

I could technically straight up replace the texture but that's not what I'm looking to do as that would affect the entire terrain.

 

Bump?