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Old 11-03-2007, 10:41 AM   #1
MLO
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Framing opening through roof...


In my craftsman style home the plans call for an open "garden window" in the roof/overhang, that is 7'x6' over a large exterior planting area. This is in front of the home over a deep inset created by the wall/porch design and is intended to let weather through as well as light.

This "garden window/opening" (correct terminolgy?) is to have exposed rafters through it for asthetic/architectual purposes.

I'm trying to find some information on the best way to deal with the flashing and water proofing of this opening and it's exposed rafters. I'm in the northwest and are using good DF timbers. This is the weather side of the home and Laminated shingles will be used.

My intention's were to use large drip flashings around the periphery and possiblt try to incorporate a cap of some-sort over the exposed rafters. Not sure, maybe the cap is a bad idea and will only trap/ hold moisture.

Can anyone elaborate or offer some links? TIA


Last edited by MLO; 11-04-2007 at 10:37 AM.
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Old 11-06-2007, 03:50 PM   #2
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Framing opening through roof...


Do you have plans? I can't visualize what's happening.
Ron

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Old 11-07-2007, 10:25 AM   #3
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Framing opening through roof...


The "garden window" is merely an opening like you would put a skylight onto, only there is no skylight and the rafters are left intact and exposed.

In my case the opening is 7 feet wide and 6 feet tall and is located in the front porch overhang (roof) above where a planting area will be located.

Hope this makes sense, I'm very IT challenged.

TIA

Last edited by MLO; 11-07-2007 at 10:28 AM.
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Old 11-07-2007, 09:50 PM   #4
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Framing opening through roof...


I got it now. I see perimeter flashing (copper)kicked out at the bottom to keep the water off the edges as much as you can anyway. This way the sheathing is protected. Everything else would be au natural. Treat the rest of the wood it as though it were outside, which it is. I have no idea about the woods longevity in this situation, but diligence in maintaince will be required.
Ron
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