How To Tie In A Roof To An Existing 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.

How to tie in a roof to an existing roof.

See more ideas about patio roof building a porch porch addition. Strip the roofing from the old roof at the connection point to. The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley. 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 framing and sheathing the new addition s roof snap a line over the existing roof shingles. Now it is time to use a cut valley in order to tie the new shingles in with the old roofing system. Tie a new gable or hip roof to an existing gable or hip roof with valley rafters which perform the same function as ledgers. 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. You want to be about two inches above the very center of the valley itself. Up from the valley center and cut through the shingles and underlayment.