After that to make it flush with the roof of the existing house cut the two outer rafters.
How to add on to house with a gable roof.
Here there are you can see one of our framing a porch roof gable gallery there are many picture that you can found we think you must click them too.
Finally to keep it dry nail down roll roofing over the decking.
Once new trusses are secured sheath the roof with oriented strand board osb lay down roofing paper then nail on shingles.
When adding a new gabled roof addition to your home you will need to find a way of joining the two roofs together.
Here we will focus on adding length to the end of a house roof.
Nail up sheathing to the walls in a staggered pattern and nail down the decking to the roof.
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Called tying in this helps to weatherproof and strengthen the joint.
It takes less than a weekend to build and costs less than 100 in materials.
This completes the construction of your gable roof.
How to add architectural design to a roof gable add interest to your home s exterior by adding a traditional style accent to a plain gable.
Install metal drip edge at the eaves.
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Then add siding and trim to the new gable roof end.
That s a simple low cost solution that can tie in well with the main house.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
Use the automatic roof tools to create an intersecting gable roof over an l shaped structure.
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.
You have to do it thoroughly so that the rafters sit flush on it.
Attach the horizontal beam by using a nail gun.
This cut will be 1 1 2 inches deep to slide 2 x 4 s in each slot.
Then install new ridge board tying it to the old roof by cutting back part of the original ridge board so there is overlap.