Tying In New Roof To Existing Roof

The new flashing should go under the old felt and over the new felt and new roll roofing.

Tying in new roof to existing roof. The lower the slope the further it should extend. The roofing cement will resist possible leaks overnight. When a shed roof ties into an existing roof the new roof could be a simple lean to that covers a deck or porch or it could be the shed roof of a substantial addition. After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in.

Roofing nails to the existing structural sheathing. Now you are ready for the installation of the roof and the shingles that you can pick out your local home improvement store. How to tie a additions roof to existing roof roof designs to attach to existing home how to construct a roof from an exsisting shead how to attach a deck roof to existing roof how to add a roof over porch cost to tie into existing roof attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing. Now you have tied in the porch roof addition to the house.

The big idea is that layers of the lower roof should sit below corresponding layers of the upper roof. Strip the roofing from the old roof at the connection point to. Depends on the slope of the new roof. 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.

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. Up from the valley center and cut through the shingles and underlayment. Install the 2x4 joists with some screws and brackets to the house edge. Tie a new gable or hip roof to an existing gable or hip roof with valley rafters which perform the same function as ledgers.