Remove 1-Layer asphalt Shingles. Install New 2x4 Drip Edge. Install New 2x2 Rake Metal. Install Ice & Water Shield along Eaves. Install New 15# Felt. Install New Pipe Jacks. Install New Roof Vents. Install 8X8" Step Flashing. Re-use 4x5 Headwall Flashing. Install Asphalt Starter. Install new shingles.