Step 4 determining the amount of shingles.
Shingling a steep roof.
Step 2 removing the old shingles.
Starting at the bottom of the roof lay down a single starter course shingle allowing about an inch to clear the edge of the roof.
Scaffolding and rappelling gear will provide the safety you need.
Step 1 safety.
How to reroof a steep pitched roof.
Known in the trade as vertical racking or staggering this how to lay shingles method enables the roofer to install a single column of shingles all the way to the peak without the wasted back and forth motion necessary to fill several rows of stair steps.
Many pros shingle in a vertical line up the roof because it s much faster.