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International audienceKey messageVisual aspects of wood are appreciated in interior design and many other high-end applications. This study focuses on consumer preferences which are examined regarding visually different spruce floor samples. Results indicate specific market segments according to different consumer preference groups.ContextWood for interior use is attractive to many consumers for aesthetic and ecological reasons. Visual attractiveness can be decisive for high added value. Industrial wood grading based on technical parameters is a common practice, but little is known about consumer preferences which could direct the production chain from the tree to the final product presented to the consumer.AimsIn this study, two objectives are addressed: (1) reducing the complexity of wood appearances based on consumers’ perceptions and (2) aggregating diverging preferences to consumer groups.MethodsFour hundred twenty-five boards from spruce logs were classified on the basis of their visual appearance. Fifteen visual classes of these boards were identified. From each of these classes, a representative floor sample was made with dimensions of 2 m × 1 m and a high-resolution image taken of it. These 15 images were then evaluated by consumers and grouped using multidimensional scaling. Finally, consumer preference profiles were analysed on the basis of latent class analysis.ResultsThe first main result is that from the initial 15 classes which arose from the visual board sorting, consumers could objectively only distinguish seven from each other. The second main result is that among these seven classes, five of them were identified as the most liked.ConclusionThis contribution provides an objective methodology for the assessment of the visual preference of wooden products that may pave the avenue to more efficient allocation of the selected end products to the targeted groups of consumers

Consumers’ perceptions and preference profiles for wood surfaces tested with pairwise comparison in Germany