Well, not actually wood, but a simulated wood vertical
with the rich look of wood and the versatility of PVC.
Textured Verticals
Some Popular Styles:

Honduras
(Simulated Wood PVC)
Available in 7
woodgrain finishes*:
Bamboo
8101c
Natural
8102c
Maple
8103c
Oak
8104c
Pecan
8105c
Chestnut
8106c
Mahogany
8107c
*Actual samples may look slightly different than web site colors.