Here are some of the Brick Materials I worked on for Poliigon for the 2019 Brick Release. 100% procedural in Substance Designer.
A big thank you to Matt Taylor for the feedback and for helping with these materials.
https://www.artstation.com/matt-taylor
Materials can be downloaded here: https://www.poliigon.com
Find out more about the release in the little article: https://www.blog.poliigon.com/blog/introducing-procedural-brick-generators