When installing or repairing shingles on a steep roof you need the support of roofing jacks which are brackets that hold a length of two inch scaffolding.
How to install roof jacks on existing roof.
Roof jacks provide a stable surface to work increasing safety and making it easier to apply roofing.
Installing roof jacks make sure they are on the joists and not just into the sheeting.
Once you have placed a couple of jacks on the roof you can now put wooden boards between them which you will be able to stand on while accomplishing your roofing project.
Nail the new shingles down with roofing nails so the nails are covered by the shingle above.
Use a hammer to bend the top edge of the soft lead roof jack down into the vent pipe.
For many people out.
Make sure to examine each driven nail and test each roof jack before placing any planking on top.
When the jacks are properly nailed to.
Once you have worked on an area of your roof as much as needed you may add more roof jacks in order to access the higher parts of your roof or you.
You can fastenen them with with nails or heavy deck screws but 16p nails is what i use.
Re install any jacks that are loose or.
Ideally locate a rafter below the sheathing.
I came across this steep roof and took this video about installing the roof jacks and the board before installing the roofing materials.
All nails need to be carefully driven fully into a roof rafter to ensure a safe installation.