3D abstract asbestos backdrop background blue cement closeup concrete construction dark decay design detail exterior grainy graphic gray grey grunge material old plaster rock rough scrapbooking stone stucco surface texture urban wall weathered coarse colors colourful decorative green metallic orange purple red 2x4 board boards brown building supplies fence fill floor industrial knots lumber New original pile planks sepia slats stack style timber two by four wood wood grain block break clear demolish demolition destroy down flatten hydraulic knock mechanical mound pull down raze redevelop redevelopment renewal rubble ruins site skyscraper smash steel topple tower walls windows wrecker wrecking