John C Daley wrote:Why dont they just rot from exposure?
So much depends on the intersection of temperature and rainfall.
My friend lives in Nova Scotia, and despite fairly high rainfall, shingled buildings seem to last amazingly well. I think the trick is that it's cold
enough in the winter that things don't rot as quickly.
I identify as being on the "north WET coast" but the key difference is that November is our wettest month, and once we're wet, we just don't dry out until late spring. However, our temperatures are generally above freezing, so everything wooden rots. Everything that isn't stainless steel, rusts! As much as pallet shingles would be a great upcycling project, they likely won't be my first choice.
In the right location, it is a good use for pallets. There are so many places where they're either burned or land-filled.