Tying Into An Existing Roof With Valley
You could look into an insulated deck solarspan or similar fitted hard up under the existing roof with existing gutter removed.
Tying into an existing roof with valley. Carefully remove the shingles 2 3 feet out from where your valley will be tying in. The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley. 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. They form an upside down v with the point at the top of the addition roof.
Take careful measurements to determine how many trusses you will need. 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. To make the blind valleys we attached sleepers to the shed roof locating them by placing a 14 foot straightedge that is usually used for screeding concrete on top of the porch rafters to project the plane of the new porch roof over to the surface of the existing shed roof. Now it is time to use a cut valley in order to tie the new shingles in with the old roofing system.
You would then fit new gutter at the outer of the new patio roof. The valley could be run onto the new roof and spread over a couple of the new roof pans. If the deck you are tying into is 10 squares there s no reason to replace the whole thing when you can get by with one square. After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in.
After framing and sheathing the new addition s roof snap a line over the existing roof shingles. Sep 12 2020 explore peter baker s board roof tie in on pinterest. 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.
On your drawing the new roof would flow from left to right. See more ideas about patio roof building a porch porch roof.