If you decide on a shallow pitch porch roof use 2 by 6 foot rafters.
Roof tie into exterior siding.
Here there are you can see one of our how to attach a roof to an existing roof gallery there are many picture that you can found do not miss them.
The positioning of your rafters will depend on the pitch of the porch roof.
At the bottom of the roof water needs to be directed.
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The edge of the roof of the house and the frame to the porch should be seamless now.
With regards to the inside of the porch and the siding if the siding is cut at an angle you could use j channel there as well if it is flat the have a channel that the siding locks into and a tool you can buy for less than 10 to make tabs on the siding to make it lock into the channel.
As it turned out the existing roof structure is a truss system but they were able to contact the original truss manufacturer to verify that cutting the tails off would not jeopardize the structural integrity of the trusses.
Insert a nail bar beneath the bottom row of siding that lies directly above the seam where the tin roof meets the.
The porch roof may match the pitch of your home or have a more shallow roof pitch.
However in most instances step flashing should be installed behind siding.
There they re assembled on to a preconfigured basis or basement depending on the specifications.
Now you have tied in the porch roof addition to the house.
To tie the design together peter chose to cut the rafter tails off the extend the exterior wall up to the underside of the new roof.
It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc.
Push the siding back down and the nails that hold the siding in place usually remain sticking out a bit.
Step flashing protects the gap where roofs meet walls by weaving into the roof shingles.
Slide the short end of a strip.
How to tie a tin roof into the siding 1.
Joist hangers can help you mount each rafter to the house.
Now you are ready for the installation of the roof and the shingles that you can pick out your local home improvement store.
Rain should run off the roof and into the gutter.
Install the 2x4 joists with some screws and brackets to the house edge.
Use screws to secure the rafter to the sill plate.