Investigation of color parameters in pine, limba, sapele, iroko, oak, and beech wood species exposed to outdoor conditions in Van city, Turkey

Sapele, pine, limba, iroko, beech, and oak wood species are important used indoors outdoors, as supplied by furniture companies. It is known that the color changes in material when exposed to external environment. This an factor for outdoor use of material. In this study, parameters Scotch pine (Pinus sylvestris L.), oriental beech (Fagus orientalis limba (Terminalia superba Engl. et Diels), sapele (Entandrophragma cylindricum), sessile (Quercus petraea iroko (Milicia excelsa) species, which both indoor woodworking industries Van city, Turkey were investigated after exposing them natural weather conditions 9 months conditions. Each type exhibited a different behavior b* a* values increased L* decreased with increasing weathering time. was observed ∆E* time exposure all tree species. At end weathering, highest value determined wood, followed sapele, respectively.