Old Rauma is the largest Nordic wooden town with over 600 well-preserved wooden architectures from the 18th -19th century, and most of which are privately owned. It is valued for its vernacular architectural heritage, and these houses, workshops and shops are still in use today.

Back in the old days, almost every household had lace-makers making bobbin lace, a technique believed to have been brought by sailors in the 18th century. Although, lacemaking had once brought wealth into the city of Rauma, it is now a declined industry and a cultural heritage practiced and preserved by local people. When making bobbin lace, lace makers need a lace pillow with pin set and wind threads on wooden bobbins, to determine the lace pattern according to the placement of wooden bobbin and pin. 

The City Renovation Center exhibits tools and materials used for constructing and preserving Rauma wooden houses, and photos documenting the preservation history of these traditional buildings, are valuable and worth visiting. The center is a place where people can acquire techniques, and obtain knowledge of conserving and renovating the traditional Finnish wooden architecture.