Here’s how I’d do it.
- Buy 6” roof flashing (25’ cost ~ $16.00)
- Cut in 32 1/2” strips.
- Fold a double 1/2” seam along one long edge.
- Fold a single 1/2” fold on the other long edge.
- Fold around a 1/2” plywood bottom, secure with tacks or screws.
- Fold a seem where the ends of the...