Lay out the aluminum fascia, starting at one corner of the rafters' end board. Go clockwise or counterclockwise until you get back to your starting point. Allow a 1-inch overlap where pieces meet.
Lay the first piece of fascia in place on the end board. Attach it to the end board by hammering in aluminum or stainless-steel nails. Space the nails 24 to 36 inches apart.
Lay the next piece of fascia in place, overlapping the first piece by 1 inch. Nail the fascia into place as before. Continue laying and nailing fascia pieces in the same way, until you get to a corner.
Hold the fascia in place at the corner. Scribe the location of the corner onto the aluminum with the point of a nail. Cut a dart -- an inverted "V" -- in the bottom flange of the fascia with a pair of tin snips.
Scribe a line vertically from the top of the dart to the top of the fascia on the back side to form a crease. Fold the fascia until the desired angle to go around the corner is achieved.
Lay the fascia section in position over the corner. Nail it in place. Continue installing fascia pieces around the house until the entire end board is covered.