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> I will be building a room off the main house that is octagon shaped. The measurement across the new room from outside of wall to outside of wall is 11′ 6″. The exterior walls will go out from the main house wall at 90* for 6′ 6″ before we make the first 45* angle. The wall (after the start of the angle) is 4′ 4 13/16″ before it hits the next 45* angle. That wall runs parallel to the main house wall for 4′ 4 13/16″ to another 45* angle, then goes another 4′ 4 13/16″ to another 45* angle, then back 6′ 6″ into the main wall of the house.
> We will be using trusses with a 6/12 pitch across the 11′ 6″ way out to where the first 45* angle starts. Then we would like to somehow stop the gable type roof and switch to a hip roof (with 4 hips). I’m not sure how to accomplish this. And I’m not sure where to stop the gable part and tie the hip part in so that the soffit and fascia all line up.
> Can anybody offer some help? Is this enough information?
Replies
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Heres my guess.
Put last truss at 69 inches from octagon wall that is parrallel with house.
Cut hip rafters using 6/13 as your angle. Drop your heal hieght 1/4 less than your truss. Run the tails a little long and cut them when you run your facsia.
Add jack rafters cut at a 6/12 into the hips as needed with a tail that matches the common truss.
Very basically that should do it. There's guys in here that can probably get you all the numbers you need with the info you gave.
good luck and and keep cuttin' on 'er till she fits.
jim
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> I will be building a room off the main house that is octagon shaped. The measurement across the new room from outside of wall to outside of wall is 11' 6". The exterior walls will go out from the main house wall at 90* for 6' 6" before we make the first 45* angle. The wall (after the start of the angle) is 4' 4 13/16" before it hits the next 45* angle. That wall runs parallel to the main house wall for 4' 4 13/16" to another 45* angle, then goes another 4' 4 13/16" to another 45* angle, then back 6' 6" into the main wall of the house.
> We will be using trusses with a 6/12 pitch across the 11' 6" way out to where the first 45* angle starts. Then we would like to somehow stop the gable type roof and switch to a hip roof (with 4 hips). I'm not sure how to accomplish this. And I'm not sure where to stop the gable part and tie the hip part in so that the soffit and fascia all line up.
> Can anybody offer some help? Is this enough information?