How To Tie Into Existing Roof

Up from the valley center and cut through the shingles and underlayment.

How to tie into existing roof. Now it is time to use a cut valley in order to tie the new shingles in with the old roofing system. After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. The ends of the shed rafters. From here cut through both the underlayment and the shingles.

Choose a roof pitch 3 12 and roof structure 2x6 this places the new roof on top of the existing roof. The next question is what to do with the existing eave under 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. See more ideas about patio roof building a porch porch addition.

After framing and sheathing the new addition s roof snap a line over the existing roof shingles. Kick it or keep it. 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. You want to be about two inches above the very center of the valley itself.

Sep 12 2020 explore peter baker s board roof tie in on pinterest. The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley. The roofing cement will resist possible leaks overnight.