For many people out.
Roof jacks on existing roof.
It really depends on who is going to be fixing the roof.
Determine the best place to fasten your first roof jack.
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Slide a new roof jack sized to fit your vent pipe over the pipe.
Ideally locate a rafter below the sheathing.
Cut roof shingles to fit around the roof jack and insert them under the existing shingles.
Pry up the old jack and remove it by pulling it up over the vent pipe.
Here is the list of steps on how to use roof jacks in order to get it installed and worked properly while you work.
Others often prefer to place the first one at the edge of the roof.
It is usually placed on the fourth or fifth level of the rows of shingles depending on how comfortable you feel on either.
You can usually feel sheathing nails which are driven into rafters through the underlayment attach a jack by driving two 16d nails never roofing nails into a rafter.
Roof jacks provide a stable surface to work increasing safety and making it easier to apply roofing.
Roofers friend the ultimate roof jack removal tool and roof repair tool.
How to use roof jacks on existing roof.
Placing the first roof jack.
Secure the new roof jack to the roof decking with roofing nails.