This is a 35 years old house and I’m putting back the original piece of fascia that blew off. It stayed on for 35 years but finally blew off because the original installation used smooth aluminum short trim nails. Aluminum expands and contracts a lot more than steel and it tends to work loose over time. Using longer ring shanked nails ensures it will stay on. Many will say to use screws and there’s no problems with screws other than they stick out and are much more noticeable. But in this case I