When you raise the shingles to the ceiling, it will get more elevated. Maintain the nailer at your side and don’t stick it into the shingles. With the help of a professional, the job will be much easier and will be much easier. This video demonstrates that nail flashes are not aligned. It will also aid in speeding up your progress, but also by making sure that the roof is protected when it rains. x3hdk1qcnp.