How To Tie Existing Roof Shingles

To do this we had to extend the plane of the shed roof out over the porch roof creating a small triangular extension of the existing roof.

How to tie existing roof shingles.

I put roofing felt down under the two rows of the existing shingles as shown in the image. You want to be about two inches above the very center of the valley itself. This latest project was in early december in lambeth ontario for a residential home that had an existing sloped or shingled roof that needed to tie into a ne. After framing and sheathing the new addition s roof snap a line over the existing roof shingles.

I am almost done roofing it. Up from the valley center and cut through the shingles and underlayment. I have a roll of aluminum flashing that i plan on putting over the felt at the roof intersection where there is about a 1 2 drop from the new roof osb to the existing roof. I will be creating a new valley on one side and tieing into the existing shingles on the other.

The image below depicts the current status. The bottom of our blind valley was about 30 inches short of the bottom of the porch roof so we extended the line of the valley down to the edge of the new roof. This video shows the transition of a shingle roof to a metal roof. The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley.

Now it is time to use a cut valley in order to tie the new shingles in with the old roofing system. I am about to put an addition on my house and the only thing that is keeping me from doing the shingles myself is the tie in to the existing. To tie into the side of an existing roof put a new roof truss on the walls of the addition brace it upright then snap chalklines on the shingles to mark the center line of the new roof valleys where old and new roofs will connect. The most trusted miami roofing contractor professionally describes the installation of thi.