A pack of procedural wallpaper textures in a single substance material. With 10 basic patterns that can by modified by adjusting 88 parameters.

Parameters are grouped and are automatically shown and hidden based on your current selections.
The wallpaper has a plaster background that is exposed by optional tearing. There is also an optional painted trim piece at the bottom of the texture.

Optional Wear and Tear:
Adjustable Tearing, Dirt (2 kinds), Mold, Mildew and Water Damage.
Colors:
Adjustable colors include Foreground (up to 3) and background, dirt, mold, mildew, water damage, trim and plaster (2 colors).
The included readme text file has a complete, annotated list of parameters as well as notes on how to use the substance.

It is available on the Unity Asset Store here.