aged background boxcar decay grunge iron metal oxide oxidized paint peel peeling rust steel surface texture weathered brush stroke brushstroke brushstrokes dirty grime grungy painting rough worn backdrop concept cracked cracks crazed creation dry fill flaked flaky graphic gray green grey old render streaks streaky tired urban decay vector wall weather beaten white construction decayed degrade degraded orange scrape scraped urban wear abstract appearance board boards decking flooring grained grains knots knotting lumber outdoors outside patterns pier plank planking planks platform rustic surfaced surfaces surfacing textured textures timber viewing-platform wallpaper wood wood-grains wooden debris rusted angles color colors colour colours damage damaged deteriorating disused fading lines maintenance upkeep woodwork