Removed all shingles from around the skylight. As well along the wall and where it meets the second story roof was redone also. Removed skylight from curb. Installed ice and water shield (water proof membrane) in entire area and up curb correctly. Roof cemented around the skylight curb. Installed skylight on curb. Nailed down flashing with nails. Roof cemented around flashing. Installed new shingles using roof cement and nails.