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Roof construction is a key element while documenting and studying building traditions in historical towns. In the city centre of Ghent (Belgium), numerous roofs of large monuments (churches, merchants’ halls, town halls) as well as historical houses from the pre-industrial era are still in place. Tree-ring research has been carried out on several intact roof constructions since the 1990s. The dated roofs range from the mid-13th to the 17th century. Recent research has revealed the presence of historical roofs in the church of St. Nicholas, an iconic building in the city’s historical centre. Tree-ring research has dated the roof constructions of the nave and the choir to the first and second quarters of the 13th century, which makes them the oldest preserved examples of carpentry in Ghent and among the oldest in Flanders (northern Belgium). These and other such dating results for the Ghent region allow for the development of a typology for (late) medieval and early modern roof constructions and provide context for a better understanding of the procurement, trade, and transport of building timber from the early 13th century to the early modern era.

A heavy and impressive chest — part of the museum collection of the city of Antwerp — served as a strongbox to securely store the city’s historical documents, including citizen privileges, public liberties, and responsibilities. A recent dendrochronological survey revealed that the tree-ring pattern of the lid dates to 1005–1294 CE, suggesting a felling date early in the 14th century. The Silver fir wood originated from the Vosges mountains in France, and hence was transported to the city of Antwerp that had already developed as an important trade centre along river Scheldt by the 13th century. The tree-ring pattern of the bottom plank could not be measured, but the presence of caulking material in some large cracks and metal clamps (sintels) revealed that this repurposed timber must have originated from a medieval ship. The archaeobotanical analysis of the mosses used as caulking material and of the pollen trapped in these mosses points toward two different locations where the ship was repaired, with at least one location outside the Low Countries. During the examination, a collection of wooden boxes stored inside the chest drew the attention. It was unclear whether the collection of boxes had any connection with the original content in the chest. Tree-ring dating on these wooden boxes made of oak and beech revealed their 14th to 16th century dating. Furthermore, inscriptions proved their relationship with historical documents. The combined dendrochronological, archaeobotanical, and historical examination demonstrates that this medieval chest was a privileged spectator of the city’s turbulent history.