How To Tie Into An Existing Roof Line

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 into an existing roof line.

Tie a new gable or hip roof to an existing gable or hip roof with valley rafters which perform the same function as ledgers. After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. 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. Take your sawzall and cut through the existing pipe making room for the t joint.

Strip the roofing from the old roof at the connection point to. See more ideas about patio roof building a porch porch addition. Line up the new t joint against the existing pipe and mark the section to be cut out. Up from the valley center and cut through the shingles and underlayment.

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. 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. 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.

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.