Need help with roof design for an extension on U-shaped Hip Roof
laz_
August 21, 2014 in Design Dilemma
I would like to extend the kitchen about 6' out, but the hip roof intersects at a valley. Is there any structurally correct way to do this without changing the entire roof line and without looking awkward? Maybe include a lanai/veranda? Any ideas would be greatly appreciated! Here is a drawing of the current roof.
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Dytecture
Consider adding another hipped roof coming off the 2 existing sides.
August 21, 2014 at 4:55PM        Thanked by laz_
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sstarr
You will lose a lot of slope by working a shed-style roof around the inner corner, but if you don't live up north, it might work for you.
August 21, 2014 at 5:11PM   
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ppf.
?
August 21, 2014 at 5:59PM        Thanked by laz_
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Dytecture
Yes, exactly what ppf had shown on the left.
August 21, 2014 at 6:23PM      Thanked by laz_
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Deborah Butler, Brickwood Builders
I would take the one ppf posted on the left but use a lower pitch on that new section so that it does not go all the way back up to the ridge line.
August 21, 2014 at 6:38PM      Thanked by laz_
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sstarr
yes, ppf's solution looks like it would require rebuilding the entire right side of the roof...
August 22, 2014 at 8:46AM      Thanked by laz_
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laz_
thank you for your advice! Does adding a second hip like ppf suggested or lower hip as Deborah stated change the existing roof lines? Which would be most cost effective? Thank you!
August 22, 2014 at 8:51AM   
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Deborah Butler, Brickwood Builders
Keeping it lower would be far more cost effective.
August 22, 2014 at 8:57AM      Thanked by laz_
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Custom Home Planning Center
Out side the box solution: go to a glass ceiling supported by sightly lower side walls. This requires laminated glass, but requires no roof modification. I did a 6' shower this way and it was both a great look and cost effective. Since it is lower than the valley it will not impede water flow off the roof
August 22, 2014 at 9:09AM      Thanked by laz_
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laz_
yikes, is possible to add a roof that spans across the center of the the U without changing the existing roof lines (entire rebuild). This would provide covered outdoor space on the left and the kitchen extension on the right If so, how would the roof extension tie into the existing roof? Thank you!
August 22, 2014 at 9:13AM   
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laz_
I like the idea & think glass ceiling looks nice in pictures, but how do you keep it clean? My other concern would be the large trees around the home (limbs falling).
August 22, 2014 at 9:20AM   
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Custom Home Planning Center
A long handled squeegee makes quick work of any thing not washed off by the the rain.
I used tempered glass on top and laminated on the bottom for code and safety. It is a little more risky and I trimmed back trees leaning over it. I love the look and it is a one piece change out if it does get hit.
August 22, 2014 at 9:34AM      Thanked by laz_
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Deborah Butler, Brickwood Builders
Yes you can create a roof all the way across with the proper supports. That would create a nice lanai to use. You would just need to make sure your existing roof pitches are correct and then look at your options to tie in depending upon the width and pitch of the new roof.
August 22, 2014 at 10:07AM      Thanked by laz_
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ppf.
The models I posted above were in response to the first 2 comments -- I wasn't suggesting one way or another.

The shed roof is simple to extend across to create a porch. It would join up on the opposite hip exactly the same.

I just guessed at dimensions and existing roof pitch, but used a 3 in 12 pitch for the shed part. I'm guessing 4 in 12 would work on your house.

Where are you located?
August 22, 2014 at 12:16PM   
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laz_
I appreciate all input! The roof pitch is plus or minus - 5/12. We are located in Virginia Beach, VA.
August 22, 2014 at 6:12PM   
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Deborah Butler, Brickwood Builders
ppf, the drawings are very helpful to communicate and see options.
August 22, 2014 at 6:31PM        Thanked by laz_
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Custom Home Planning Center
If you would like to see the glass shed on the bath, the house is over in Suffolk just off route 17
August 22, 2014 at 7:08PM      Thanked by laz_
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