Scaffolding and rappelling gear will provide the safety you need.
Shingling a steep roof.
Step 3 replacing rotten plywood.
How to reroof a steep pitched roof.
Step 2 removing the old shingles.
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.
You will need the right equipment to be safe while you work.
Step 1 safety.