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I’m framing a new roof, 18′ span 8:12 pitch. Because of many
aesthetic considerations top plate/ave cannot be higher but
I’d like to get greater ceiling height than the 7′-3″ I’d normally get
with the ceiling joists would sitting directly on the top plate.
I understand that the ceiling joists act as a tie to prevent walls
from spreading, and have no use for a structural ridge or cathedral
ceiling– I’d just love 1 or 2 more feet of headroom!!
Is there any rule of thumb about how far up from where the rafters meet the top plate the ends of the joists may be shifted??
1 ft up? 2 ft up?
You often see this in older houses but I can’t seem to find any
drawings of details like this in books in my library-
Replies
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I'm framing a new roof, 18' span 8:12 pitch. Because of many
aesthetic considerations top plate/ave cannot be higher but
I'd like to get greater ceiling height than the 7'-3" I'd normally get
with the ceiling joists would sitting directly on the top plate.
I understand that the ceiling joists act as a tie to prevent walls
from spreading, and have no use for a structural ridge or cathedral
ceiling-- I'd just love 1 or 2 more feet of headroom!!
Is there any rule of thumb about how far up from where the rafters meet the top plate the ends of the joists may be shifted??
1 ft up? 2 ft up?
You often see this in older houses but I can't seem to find any
drawings of details like this in books in my library-