1 23 Journal of the Indian Academy of Wood Science ISSN 0972-172X J Indian Acad Wood Sci DOI 10.1007/s13196-012-0043-x Use of silicone based coating for protection of wood materials and bamboo composites from weathering and UV degradation S. C. Sahoo, Amitava Sil, K. Thanigai & C. N. Pandey