roof grainy bituminous coating for rooftop with a pattern in the form of scaly tiles in bluish green color with a black outline.

abstract architecture asphalt backdrop background bituminous black bluish building cardboard ceiling coating color construction copy cover decorative design fibres floor form grainy green greenish impregnation industrial kraft modern outline paper pattern protection resinous roof roofing rooftop scales scaly shale sheet shelter slate space structure style tar tile tiles top wallpaper waterproof wave wavy