How to Hang Fascia

Use the ladder to access the roof underhang. Measure from the corner of the roof to the middle of a rafter that is between 9 and 12 feet away. Transfer the measurement to a piece of 1-by-6 lumber and make a mark on it. Place the board on the miter saw, align the blade with the mark and cut the board.

Nail the 1-by-6 to the rafters using two galvanized finish nails through the 1-by-6 at each rafter location. Place the point of the nail set on the head of each nail and tap the nail set with the hammer to set the nail head just below the surface of the board. Place a dot of caulk in the hole and smooth it with a damp rag.

Measure and cut the next piece of fascia to fit on the rafters. Each piece of fascia must end in the middle of a rafter in order to leave room to nail the next one in place.

Place a 3/8-inch bead of caulk from top to bottom on the end of the previous fascia board. Butt the new piece of fascia up against the end of the previous piece and nail it to the rafters as with the first piece. Wipe up and smooth the caulk that fills the joint between the two pieces.

Continue hanging fascia boards until the opposite end of the house is reached. On a house with a hip roof, the fascia will extend all the way around the house. Houses with gable ends have barge boards that run from the roof peak down to the corner of the roof and meet with the fascia.