A video guide on PBR texturing in Substance Painter 2 by Vitaly Okulov.

Check out this breakdown of the PBR texturing of an old damaged door for an abandoned building in Substance Painter 2 by Vitaly Okulov. You can get similar textures here. 

Final result:

Vitaly is a 3d artist with over 9 years of experience. He is a master of both low and high poly modeling, texturing, 3D scanning and rendering for modern game engines such as Unity 5 and Unreal Engine 4. He also creates 3D assets for the Unity Asset Store and UE4 Marketplace. You can find more of his projects here.