Quote:
Originally Posted by drcoastline
If the deck is properly pitched and you have adequate airflow, don't see why you would need anything? Which appears to be the case? Not sure how old the deck is but, if it lasted this long and you say is in good shape, then I would say just put down new deck boards.
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The thing is, the same conditions that took out the decking are there, on the joists, exposed in the deck spacing. Even treated joists look nasty at every gap.
Capping the joists is doing your future self a big favor; assuming your not a flipper.
I like the copper for a few reasons. First, as Milt sez not much grows in contact with copper, Second, annealed copper is very easy to work with. (Al flashing is typically cold rolled) Third, copper patina is dark(fades away) whereas Alum is shiny.