Rather than a single slope a gable roof consists of two slopes that meet at a peak running down the middle of the roof.
How to add a portico without changing the roof line.
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We decided to add a decorative inset on the front facing part of the new roof which i will share next week.
As you can see it s coming along nicely and the two toned shingles add so much color and texture to an otherwise boring roof.
It was a last minute decision but it took the roof line from nice to wow.
You have to do it thoroughly so that the rafters sit flush on it.
After that to make it flush with the roof of the existing house cut the two outer rafters.
Allowing the siding to contact the shingles will wick or lead water back into the wall.
Now you can begin shingling your roof preferably with asphalt shingles.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
Nail the trusses into the existing room fasteners.
Create an inviting entry for your cottage or ranch home by using a classic peaked roof supported by wood corbels.
So i m not sure how i could address that situation without ripping out the entire deck portion and repour new footings etc.
Keep your portico addition sweet and simple.
Once the trusses soffit and fascia are in place lay the roofing felt in place.
Attach the horizontal beam by using a nail gun.
Nail the shingles to the felt starting from the outside in and cutting to fit when you reach a corner or edge.
After you shingle the roof with step flashing adressing that wall intersection tuch taarpaper under the existing tyvek and over the step falshing then re install the siding trimming it to about an inch above the shingled roof.
When matched to the angle and proportions of other rooflines on the house your gable roof will add visual interest and character to the home making the addition look like an asset that belongs with the house.