Have you ever seen a home with a wood roof? It is not the most common type of building material used for roofs, but it is definitely one of the more beautiful ones. Wood has been used for a long time, and many advancements have been made both in durability and cost, but it still has one of the shortest lifespans of all roofing materials used for this purpose.
Wood is susceptible to damage from water, causing rot, moss and mold. It can also be damaged by fire easier than other materials, especially once the fire retardant that it gets treated with wears off. It can be damaged by wood boring insects, and it is prone to damage from woodpeckers.
If you do decide to go with a wood roof despite all of its downsides, you should make sure that you keep it in good repair. Because of being sensitive to damage, wood will need special attention and care.