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Old 03-05-2011, 08:55 PM   #1
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How do you build a fake dormer to place on your roof with out attaching it to your roof framing

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Old 03-05-2011, 09:16 PM   #2
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How do you build a fake dormer to place on your roof with out attaching it to your roof framing
What is that supposed to mean? Do you mean, can you frame it on top of the roof sheathing?

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Old 03-05-2011, 10:42 PM   #3
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How do you build a fake dormer to place on your roof with out attaching it to your roof framing
need more info
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Old 03-05-2011, 11:52 PM   #4
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Of course the false dormer framing will be tied in to the roof framing; I assume you want to leave an existing gable roof framing with sheathing in place. You can frame the false dormer by laying plates onto the roof sheathing to which you will nail your rafters and wall studs. It is beyond my writing skills to explain adequately in a relatively small space how to do this. You should be able to find a diagram somewhere online or in a book and if you have a moderate level of skill I think you will be able to figure it out from the diagram. There is a load factor involved, so depending on the existing rafter size, spacing and span you may have to sister a couple of them before you start your false dormer. When determining if the rafters are adequate to support the load, just don't think about complete failure of the structure but also consider the long term affects of imposing the additional dead load; e.g. sagging of the rafters. Good Luck.
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Old 03-06-2011, 09:02 AM   #5
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Originally Posted by boonme54 View Post
How do you build a fake dormer to place on your roof with out attaching it to your roof framing
Post a photo of what you want to duplicate.
The weight of a roof structure, such as a dormer, needs to be compensated for in the framing under it, whether it's real or fake.
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Old 03-08-2011, 12:12 AM   #6
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be sure you attach it with pole barn spikes,you don't what it blowing off and killing someone for pole barn spikes are ring shanked so they don't pull out after nailed in.

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