Step 10
Tip up the gable
The gable rafters are cut to the same shape and dimensions as the ledger rafters. Fasten the peaks together with a few screws and brace them in two places with 2x4s to install them.
Have another pair of 2×4 braces cut to the same length as the gable depth ready to brace the gable to the house. Then tip the gable up and attach it to the front of the beams and to the braces. Check the gable for plumb; adjust if necessary.
Step 11
Drop in the ridge beam
Build the ridge beam, then add a hanger to the peak of the ledger rafters and gable rafters. Drop the beam into place and nail it through the hangers using the nails called for by the hanger manufacturer.
Step 12

Phase 3: Add the rafters
To finish the roof structure, make rafters by cutting two standard 2×6 or 2×8 boards. You could purchase prebuilt trusses for your project, but making your own is less expensive and you won’t have to wait for the manufacturing process.