How To Tie Existing Roof Shingles

The roofing cement will resist possible leaks overnight.

How to tie existing roof shingles.

The image below depicts the current status. 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. After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. Now it is time to use a cut valley in order to tie the new shingles in with the old roofing system.

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. I will be creating a new valley on one side and tieing into the existing shingles on the other. This video shows the transition of a shingle roof to a metal roof. The most trusted miami roofing contractor professionally describes the installation of thi.

Up from the valley center and cut through the shingles and underlayment. 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. 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. You want to be about two inches above the very center of the valley itself.

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. I put roofing felt down under the two rows of the existing shingles as shown in the image. 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 am almost done roofing it.