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Natural weathering of modified pine and Eucalyptus woods by surface charring
2024 - IRG/WP 24-30801
Within various wood modification techniques, surface charring is anticipated to extend the lifespan of wooden components in building facades; however, visual deterioration of charred cladding materials has become a notable concern. This study, conducted through international collaboration, aimed to assess the resistance of bio-based facade materials to weathering in the Turkish climate. The natura...
E E Soyturk, E N Kavakli, S N Kartal, C M Ibanez
Shelling of flat and profiled western larch deck-boards exposed to natural weathering
2024 - IRG/WP 24-40997
Shelling is a severe type of raised grain that occurs at the surface of deck-boards made from wood species that have growth rings with pronounced differences in density between earlywood and latewood, for example southern pine (Pinus spp.). Shelling is more severe in deck-boards fixed with their growth rings oriented pith-side-up (concave) rather than bark-side-up (convex). Far less is known about...
L H Leung, P D Evans
Evaluation of the water exclusion ability and inherent bioactivity of heartwood against decay in Japanese and European wood species via above-ground exposure and water absorption tests
2024 - IRG/WP 24-40998
The natural durability of wood has been thought to mainly depend on bioactive extractives and the water exclusion ability. To clarify the contribution of each factor to wood durability, above-ground exposure tests were conducted on Japanese and European wood species. A double-layer test was carried out using heartwood specimens of four wood species, i.e., Japanese cedar, Japanese cypress, Scots pi...
T Osawa, R Noda, K Yamamoto