What Does A Roof Jack Look Like

Cut roof shingles to fit around the roof jack and insert them under the existing shingles.

What does a roof jack look like.

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. A roof jack will not do you any good without planks of lumber to span them. Also before you start installing your flashing you need to look to see if the wall in question has a corner on the roof face as in the image below. If it doesn t have a corner and simply looks like the image below follow the second installation procedure.

Ideally locate a rafter below the sheathing. Roof lines should be arrow straight. If you can see a dip curve or swag on the peak when standing in the street your roof has a problem. Roof jacks provide a stable surface to work increasing safety and making it easier to apply roofing.

What causes a sagging roof line. Use a hammer to bend the top edge of the soft lead roof jack down into the vent pipe. If it does follow our first installation procedure. It might be something.