this material bundle helps you make detailed buildings with very low poly geometries

the archive include 10 high quality 4k material folder:

SBSAR file
png 4k texturesets:
    base color
    roughness
    metallic
    normal
    height
    ambient occlusion

SBSAR files have ability to:

change window color (windows are metallic)
change base color (stone colors, bricks, gaps etc)
change normal intensity
change dirt amount and dirt opacity
other specific paramateres