Normal map issues in this pack:
rename concrete_1_normal to concrete_pt_1_normal
rename concrete_1_2_normal to concrete_pt_1_1_normal
rerender concrete_pt_2 in 256
rerender concrete_pt_3 in 256
rerender concrete_pt_4 in 256
rerender concrete_pt_5 in 256
rerender concrete_wall_pt_6 in 256
rerender corrugated_steel_pt_1 in 256
rerender corrugated_steel_pt_1_1 in 256
rerender metal_floor_pt_1 in 256
rerender metal_panels_pt_4 in 256
rerender old_tile_wall_pt_1 in 256
rerender rock_pt_4 in 256
rerender rock_pt_4_1 in 256