abstract aged aging background boards cracked cracks deteriorating fading gray grey grooves lines maintenance old paint planks rough rough texture rustic slats small planks surface texture textures unkempt upkeep weathered weathered boards wood wooden wooden boards woodwork worn beam board brown center centered diagonal horizontal line lumber metal parallel pattern plank rhomb structure timber vertical wall knag knot nails architecture house museum pavement porch residence rural stairs windows cuts fiber fiberboard tile wallpaper magenta panelling red bell belltower church grojec blue