How To Tie Into Existing Roof

Choose a roof pitch 3 12 and roof structure 2x6 this places the new roof on top of the existing roof.

How to tie into existing roof.

You ll need to remove the existing shingles and cut back the existing eaves to make room for the shed roof then nail a two by six ledger board on the existing roof. The ends of the shed rafters. The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley. 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.

Now it is time to use a cut valley in order to tie the new shingles in with the old roofing system. The roofing cement will resist possible leaks overnight. Sep 12 2020 explore peter baker s board roof tie in on pinterest. Kick it or keep it.

The next question is what to do with the existing eave under the new roof. 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. Tying in to an existing gable roof. After framing and sheathing the new addition s roof snap a line over the existing roof shingles.

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