How To Tie Existing Roof Shingles

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.

How to tie existing roof shingles.

The roofing cement will resist possible leaks overnight. You want to be about two inches above the very center of the valley itself. I will be creating a new valley on one side and tieing into the existing shingles on the other. The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley.

I put roofing felt down under the two rows of the existing shingles as shown in the image. Up from the valley center and cut through the shingles and underlayment. 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. The most trusted miami roofing contractor professionally describes the installation of thi.

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. How to tie a additions roof to existing roof roof additions to existing roofs how to construct a roof from an exsisting shead how to change a roof line how to attach a deck roof to existing roof how to add a roof over porch attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing. I am almost done roofing it. 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. Now it is time to use a cut valley in order to tie the new shingles in with the old roofing system. This video shows the transition of a shingle roof to a metal roof. After framing and sheathing the new addition s roof snap a line over the existing roof shingles.