Here we will focus on adding length to the end of a house roof.
How to add onto a house with a gable roof.
Butt the first new truss against the old one.
Nail up sheathing to the walls in a staggered pattern and nail down the decking to the roof.
You can now paint and add a composition or metal roof over your new addition.
Tying in to an existing gable roof.
Finally to keep it dry nail down roll roofing over the decking.
One of the most common dormer types the a roof or doghouse dormer is simply a box with a window added to the roof that is topped with a gable that is tied into to the existing gable.
Calculate the sightline clearance height about 6 feet 2 inches in this case.
That s a simple low cost solution that can tie in well with the main house.
Adding a porch to my house.
If you re adding to the gable end of the house the side wall that goes up to the roof s peak it s fairly easy to extend the existing roofline over the new space says curt schultz a realtor architect builder in pasadena calif.
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.
Either the addition is added to form a t shape to the house with the ridge running perpendicular to the main house roof or the addition is continued on the end of the house making it longer with the ridge running the same way as the existing house.
Work from the view back not from the house out.
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.
The roof of the house where i wanted to the porch to go is a gabled pitch and i knew i wanted the porch roof to match.
8 inches in this case.
Choose a roof pitch 3 12 and roof structure 2x6 this places the new roof on top of the existing roof.
This cut will be 1 1 2 inches deep to slide 2 x 4 s in each slot.