frank1492 wrote:
In small buildings (such as a shed) what is the downside to covering
the entire roof with aluminum flashing before shingling? Perhaps
expensive? That's the only thing I can think of.
Any other negatives?
I want to protect the wood indefinitely.
Thanks.
Frank


Not a professional roofer here-- but it would seem to me that once you
drive the shingle nail through it, it's just extra weight on the roof...