On Jun 8, 7:26�pm, wrote:
On Tue, 08 Jun 2010 17:28:04 -0400, 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 �

No negatives, just no point to it.
If you're willing to pay for that, just put on a metal roof. �It's
likely to be cheaper in the end, and it will outlast all shingles.
It's not that hard to install either on a small and low shed without a
lot of gables and stuff. �All you need is the metal, neoprene screws,
a power drill with 1/4" hex tip, and a tin snips. Smaller sheets of
steel are lighter than shingles too.

bithane rather than tar paper. it sticks to the wood and all nail
holes are self sealing

its expensive but worth it espically if your covering chipboard, which
disengrates if it gets wet