Man has used brick for building purpose for thousands of years. Bricks date back to 7000 BC, which makes them one of the oldest known building materials. he Romans prefered to make their bricks in spring, then they stored them for two years before selling or using them. They only used white or red clay to manufacture bricks. When the Roman Empire fell, the art of brickmaking nearly vanished and it continued only in Italy and the Bizantine Empire. In the 11th century, brickmaking spread from these regions to France. During the 12th century bricks were reintroduced to northern Germany from northern Italy. This created the brick gothic period with buildings mainly built from fired red clay bricks. The examples of the Brick Gothic style buildings can be found in the Baltic countries such as Sweden, Denmark, Poland, Germany, Finland, Lithuania, Latvia, Estonia, Belarus and Russia. This period lacks in figural architectural sculptures which had previously been carved from stone. Brick Gothic was replaced by Brick Renaissance architecture. During the Renaissance and Baroque periods, exposed brick walls became less and less popular, consequently brickwork was covered in plaster. Only during the mid 18th century brick walls started to regain their popularity. The renovation and adaptation of historic buildings for obtaining a new utilitarian functions are an interdisciplinary undertaking requiring cooperation and involvement all of the investment process participants. Restoration of former splendor to these unique buildings often necessitates striking a balance between protection of the structure original substance and the utilitarian needs of future users.