Estimates of how long an aluminum deck will last vary from 25-60 years ... like a tendency to fade with UV exposure or to sag ...

(In fact, aluminum decking lands one of our top scores for resistance to staining.) The LockDry installs over wood or metal joists, just like other decking materials, and comes in lengths up to 40 ...

CR’s decking tests show that in wet and dry conditions, wood is the best material for resisting a slip, followed by aluminum decking ... from the ledger board and joist attachments.