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Old 03-10-2010, 03:59 PM   #1
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crown molding sloping wall and standard wall


Hi,

I am about to install crown molding in a room which as three standard walls and one that slopes ceiling to ground. How do I complete the molding between the standard and the sloping wall? I have included a picture, hoping that that will help

thanks
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Old 03-10-2010, 05:33 PM   #2
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You are asking painters how to do carpentry?

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Old 03-10-2010, 05:58 PM   #3
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crown molding sloping wall and standard wall


I dont have a photo at this time, but we install a block detail. and transition it like that.

Hope that makes sense......but like i said no photo at this time
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Old 03-10-2010, 06:12 PM   #4
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crown molding sloping wall and standard wall


the two profiles will never match up. you may get close by rolling the sloped section closer to a vertical wall plane where they meet. two things you could do..put a plinth type block in the corner that both would butt to, will be fairly big to accomodate sloped profile and not my first choice.make a backer for the crown on the sloped section that creates a surface for the sloped piece to hit on the bottom that rolls the base out to the normal vertical wall plane. you can recess it slightly above the bottom edge of the crown or build it to hang down with a reveal below where the crown hits ( my choice). Put a beaded edge on it or use a piece of beaded base upside down. draw it out on paper/cardbord/floor to actual scale so you can see what the hard dimensions behind the crown will be.hope this helps I'm sure someone with drawing tools on this site could give you a section of what i mean
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Old 03-10-2010, 08:27 PM   #5
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crown molding sloping wall and standard wall


tpolk,

so basically one way or another build out the slope of the wall to a vertical, or add backing to the crown so the corners meet as usual?

appreciate the input, thanks...
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Old 03-11-2010, 02:39 AM   #6
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One way is to use a "transition". Take a look at this thread. Crown moulding with a vaulted ceiling?

I am not qualified to tell you how to do it. G'luck.
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Old 03-11-2010, 10:24 AM   #7
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Quote:
Originally Posted by Klawman View Post
One way is to use a "transition". Take a look at this thread. Crown moulding with a vaulted ceiling?

I am not qualified to tell you how to do it. G'luck.
Yes, read that thread. Here is the link from my post in that thread. Good information here.

http://www.extremehowto.com/xh/artic...ticle_id=60354

Let us know how it turns out.
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Old 03-11-2010, 01:07 PM   #8
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Thanks Bob, I have seen that article before but I think it is talking about a vaulted or cathedral ceiling, that is not my scenario. I have a horizontal ceiling 3 straight vertical walls and one sloping wall. I am obviously asking about where the horizontal ceiling, vertical and sloped walls all meet. The most logical solution presented so far is to build out the sloped wall almost like a very small duct box and install molding as normal, what do you think?
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Old 03-11-2010, 02:27 PM   #9
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crown molding sloping wall and standard wall


Hey Alex, I'm Bill.

Your situation is different than that in the article but the issues are the same. You have one wall ceiling angle that is 90 degress and another that is greater than 90 degrees. The same as with a vaulted ceiling. The issue is the change in angles and yes you need to have a transition as indicated in the other thread or a plinth block as Tpolk suggested (which would be the easiest way to do it).

The last part of that article I attached shows that by using a compound mitre saw, you can get a smooth transition. At least it looks good to me in the photo. Note that I am just reiterating the theory I have read, I have never tried this myself.
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Old 03-11-2010, 04:22 PM   #10
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never seen the transition before looks a little awkward. builing out the wall like i was talking about is really.basically doing a multiple layer crown vs building a bulhead. I feel imo, that a layered look would appear more ornamental and intentional/thought out
kind of like the way a fireplace steps up to the mantel
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Last edited by tpolk; 03-11-2010 at 04:25 PM.
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Old 03-12-2010, 10:20 AM   #11
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This method is for crown on a cathedral ceiling, but might give you some ideas....also might make you run out of your house screaming gibberish

http://www.garymkatz.com/TrimTechniq...ansitions.html
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Old 03-13-2010, 06:31 AM   #12
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crown molding sloping wall and standard wall


really appreciate all the input, seem this one is tricky, I think adding backing and rolling the crown out is probably the easiest, I'm going to try a small section and see how it goes...
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Old 03-13-2010, 08:56 AM   #13
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crown molding sloping wall and standard wall


Be sure to post some photos.

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