the model includes 5 materials, two of which use the same set of textures - concrete and glass, only for concrete the opacity map is not used
format textures - PNG
bricks material - 2048 * 2048
concrete and glass material - 2048 * 2048
roof material - 2048 * 2048
door material - 1024 * 1024
PBR textures - base color, roughness, normal map, metallic, opacity, ambient occlusion