Butt the first new truss against the old one.
How to attache gable roof to gable end of house.
Then mount new trusses on the new addition walls.
Nail it near the peak of the trusses.
The pitch is 1 9 16 in 12.
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.
Attach the horizontal beam by using a nail gun.
I have attached a quick sample.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
Continue to measure 2 x 4 s to allow nailing at each truss until you reach the end of your roof and add the additional 6 inches and 1 1 2 inches for that end.
I raised the house ceilings to 120 and set the porch to 97 1 8.
Fitting the shed in under the gable will also depend on the pitch of the house roof.
Next cut out slots in rafters so a 2 x 4 will sit flush with it on the cap plate.
When i left the house and deck floor height at zero the best i could get with this 6 12 roof on the house was a flat roof over the deck.
After that to make it flush with the roof of the existing house cut the two outer rafters.
Tie into the end of an existing gable roof by removing existing facing boards wall siding and any other obstructions back to the first truss of the old roof.
You have to do it thoroughly so that the rafters sit flush on it.