How to tie building roof systems into one another.
How to tie into existing roof for addition.
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.
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.
Up from the valley center and cut through the shingles and underlayment.
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.
There are many roof.
The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley.
After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in.