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Old 10-30-2011, 11:01 AM   #1
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Interior Partition Wall perpendicular to floor joists/open cathedral rafters



I have a open cathedral ceiling with the rafters exposed. Iím using non-stamped/structural 2x4s.

The issue that Iím having is a method that my building inspector wants for how the top plate attaches to the rafters? I was thinking about using a single top plate, then ripping a second top plate that matches the slope of the roof/rafters.

Will that fly with the inspector?

Thanks for any help.

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Old 10-30-2011, 11:34 AM   #2
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Interior Partition Wall perpendicular to floor joists/open cathedral rafters


This is a question I would ask the inspector. Any opinions voiced here are useless.
Are you going to do all that work based on internet advice?
I don't think the inspector will be swayed with the,"But Ron on the internet said it was okay" arguement.
But it will give him a chuckle.

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Old 10-30-2011, 11:41 AM   #3
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Interior Partition Wall perpendicular to floor joists/open cathedral rafters


I'm just wondering if there is actually a standardized method for this. I've done rake walls before, but this is totally different, it's going perp instead.

I'm going through the timber framing section of the CBC, and I can't find anything.

Oh yeah, in CA too.

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Old 10-30-2011, 11:59 AM   #4
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Interior Partition Wall perpendicular to floor joists/open cathedral rafters


Quote:
Originally Posted by Thebentdude View Post
I'm just wondering if there is actually a standardized method for this. I've done rake walls before, but this is totally different, it's going perp instead.

I'm going through the timber framing section of the CBC, and I can't find anything.

Oh yeah, in CA too.
Standard and California are mutually exclusive terms, even without the earthquake thing.
Why the reticence to talk to the inspector?
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Old 10-30-2011, 12:36 PM   #5
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Interior Partition Wall perpendicular to floor joists/open cathedral rafters


I'd just like to start it early. Regardless, I'll give him a call tomorrow morning and see if he has any input.

If anyone else has had this situation, please feel free to post your outcome.
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Old 11-01-2011, 01:58 PM   #6
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Interior Partition Wall perpendicular to floor joists/open cathedral rafters


The purpose for a dbl top plate is to transfer loads from stud to stud. If I read this correctly you can't "birds mouth " the roof framing hence the notion of a ripped top plate to provide bearing support. There is likely a mechanical fastener for this. Alternatively use a dbl top plate and rip down a third but in any event speak to your inspector first if you intend on departing from conventional construction.
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Old 11-01-2011, 04:53 PM   #7
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Interior Partition Wall perpendicular to floor joists/open cathedral rafters


so this is a partition and not a bearing wall by the sounds of things. . is the exposed ceiling paint grade or stain grade.. just trying to think of a way to fasten the top plate first so you have something to measure to.

definitely ask the inspector, if its only a partition the one concern i can see coming up is making sure any fasteners used dont penetrate through the sheathing then into the roofing material.

it can be glue but you also need to have the studs cut first and to a snug fit so to create resistance while the glue sets up

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