Found 36 Grunge CC0 textures in library

Bricks 062

Decal 12

Decal 13

Decal 14

Decal 15

Decal 19

Decal 3

Decal 4

Decal 5

Decal 7

Decal 8

Decal 9

Decorative Wall 1

Dirt 2

Dirt 4

Gravel 029

Grunge 1

Grunge 2

Grunge 3

Grunge 4

Grunge 5

Grunge Dark Ceramic 22

Grunge Light Ceramic 24

Grunge Wall 1

Rust Coarse 01

Wall Random 3

Wall Random 4

Wall Random 5

Wood Siding 001

Wood Siding 002

Wood Siding 003

Wood Siding 004

Wood Siding 005

Wood Siding 006

Wood Siding 007

Wood Siding 008