How To Add Onto A House With A Gable Roof

Choose a roof pitch 3 12 and roof structure 2x6 this places the new roof on top of the existing roof.

How to add onto a house with a gable roof.

8 inches in this case. This completes the construction of your gable roof. Nail up sheathing to the walls in a staggered pattern and nail down the decking to the roof. Work from the view back not from the house out.

That s a simple low cost solution that can tie in well with the main house. 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. This cut will be 1 1 2 inches deep to slide 2 x 4 s in each slot. 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.

You can now paint and add a composition or metal roof over your new addition. Butt the first new truss against the old one. Tying in to an existing gable roof. 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.

Here we will focus on adding length to the end of a house roof. Then mount new trusses on the new addition walls. Finally to keep it dry nail down roll roofing over the decking. Determine the beam size.

Calculate the sightline clearance height about 6 feet 2 inches in this case. 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.