It is a product of real wood qualified by a unique look with characteristic and aesthetics of an unfinished wood, not treated.It is made 100% by PEFC wood.
V Groove 150 Natural can be left unfinished or treated with specific products. When the surface is treated it keeps the natural brown look of a fresh wood. If it is left unfinished the color may change according to the location and direction to sun.
An example of installation, from the first processing phase
up to 36 months post installation with washing and oiling