Intersecting Roof On Flat Roof Conversion - Framing - Contractor Talk

Intersecting Roof On Flat Roof Conversion

 
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Old 11-10-2011, 06:17 PM   #1
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Intersecting Roof On Flat Roof Conversion


Hey. I was asked to design a roof that would be framed over an existing flat roof, and tie nicely into the existing gable roof at one end. Easy enough right? Not exactly, the flat roof portion has a few jogs in the concrete block wall, and after drawing it the way I wanted to originally frame it, I realized that the valley for the tie-in to existing would extend to far out into the roof plane. (Dotted line)



So I figured I'll put a gable end at that end. Well that leaves me with the fascia about 6" off the existing roof deck, because of the low HAP, and since the existing roof isn't exactly centered, I'm going to end up with a larger space under the eaves on one end. Ugly.



So, what I believe is my only other choice would be to make the new roof quite a bit steeper, however the building must be at maximum height to peak already.

So I'm looking to you guys to give me some ideas on tying this in nicely. Let me know what you think, thanks.
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Old 11-10-2011, 10:50 PM   #2
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Re: Intersecting Roof On Flat Roof Conversion


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Originally Posted by FullerFramer View Post
Hey. I was asked to design a roof that would be framed over an existing flat roof, and tie nicely into the existing gable roof at one end. Easy enough right? Not exactly, the flat roof portion has a few jogs in the concrete block wall, and after drawing it the way I wanted to originally frame it, I realized that the valley for the tie-in to existing would extend to far out into the roof plane. (Dotted line)



So I figured I'll put a gable end at that end. Well that leaves me with the fascia about 6" off the existing roof deck, because of the low HAP, and since the existing roof isn't exactly centered, I'm going to end up with a larger space under the eaves on one end. Ugly.



So, what I believe is my only other choice would be to make the new roof quite a bit steeper, however the building must be at maximum height to peak already.

So I'm looking to you guys to give me some ideas on tying this in nicely. Let me know what you think, thanks.
make a hip on the end and put a valley in each inside corner
that would like nice would it not?

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Old 11-11-2011, 08:38 AM   #3
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Re: Intersecting Roof On Flat Roof Conversion


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make a hip on the end and put a valley in each inside corner
that would like nice would it not?
Thats what the first drawing is
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Old 11-11-2011, 08:54 AM   #4
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Re: Intersecting Roof On Flat Roof Conversion


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Thats what the first drawing is

on the back over the flat roof i mean
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Old 11-11-2011, 11:07 AM   #5
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Re: Intersecting Roof On Flat Roof Conversion


Does the existing roof seriously look like this?

Andy.
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Old 11-11-2011, 11:58 AM   #6
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Re: Intersecting Roof On Flat Roof Conversion


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Does the existing roof seriously look like this?

Andy.
Yes that looks very close. Just one difference is that there is no eave on the flat roof side of the gable, they framed a slope down to the flat roof from the peak, but I'll be removing all of it anyway. Thanks


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