If you dont want to add grunge or dirt to it, then you could make the bottom 2 rows a darker diffuse color, or give it a color. If nothing, at least you can shrink the texture. :)
This little update is more for me than for you, polycount hivemind. I did some more UDK tuts and got to work on the next asset, the curved roof. I wanted a corrugated stainless steel roof, but I got bogged down trying to work out the perfect titling corrugated pattern that fits and repeats in a 256 unit space. I now hate…