If you are attempting to remodel your roof there are some pointers to keep at the back of your mind.
How to instal roof jacks.
Use a hammer to bend the top edge of the soft lead roof jack down into the vent pipe.
When the jacks are properly nailed to.
Ideally locate a rafter below the sheathing.
Install the underlayment for the new roof tile next working with 10 foot sections at a time.
Roof jacks provide a stable surface to work increasing safety and making it easier to apply roofing.
First and foremost do not forget to install roof jacks simply speaking these are steel anchors which hook onto your roof and hold the planks of wood for you to tread your feet on.
You can fastenen them with with nails or heavy deck screws but 16p nails is what i use.
Installing roof jacks make sure they are on the joists and not just into the sheeting.
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.
How to install roof jacks written by piyush jain on dec 01 2010.
Apply caulking compound on underside of roof flashing to form a continuous strip at least 3 8 wide around the underside of the perimeter of the flashing see figure 20 or figure 21 page 13.
Installing the roof jack 1.
Secure the underlayment with nails that are at least 2 inches from the edge of the roof.
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Cut roof shingles to fit around the roof jack and insert them under the existing shingles.
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.
Insert telescoping roof jack assembly through the opening cut on the roof.
To begin remove the old roof tile.