I'm not sure if this is the best place to ask this. If not, perhaps someone
could suggest another newsgroup. My question concerns the upper triangle
shaped windows in the typical prow shaped house. If the roof has a 12/12
pitch, the rafter angle in the prow wall will not be exactly 45 degrees.
Are the triangle shaped windows custom made to fit this angle? Is the roof
pitch altered to make the prow rafters exactly 45 degrees? How is this
problem normally addressed?
Thanks for any help!
Well, obviously. However, all the other rafter ARE 12/12 - exactly 45
degrees. BUT with a prow house, the front two rafters are swept back a
certain amount. In my case, 4 feet. This changes the rafter angle by
6/10's of a degree. Not simple geometry, but trigonometry. 6/10's of a
degree may not seem like much, but it is enough to cause a divergence of (in
my case) 3-3/4 inches in 15 feet. This can clearly been seen. What I
SHOULD have done is make the roof ridge 3-3/4 inches higher. That would
have put the other rafters at 45.6 degrees but made the prow rafters exactly
45 degrees and negated the need for custom windows. Unfortunatly I already
purchased the windows AND built the house so I don't think there is anything
I can do at this point. As I designed the house myself, I have no one else
to blame. I'm pretty bummed out at this point, but maybe it won't look that
bad. I'll have to wait until we get the window openings framed to find out.
Design and build you own house at your own risk!
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