type of insulation economy white-gray color similar to an abstract drawing of clouds backgrounds, construction, textures

abstract alphabet antique architectural art backdrop background backgrounds building cement clay clouds color concrete construction decor decoration decorative design detail dirty drawing economy element endless forging form gear granite graphic gray grey grunge home house insulation iron letter letters marble material natural old ornament ornamental ornate pattern protection repair rock rough seamless shape similar sprayed stone surface symmetry textile texture textured textures tiled type vintage wall wallpaper weathered white