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ajp 02-27-2012 06:33 PM

chair rail
 
what is the compound angle for a chair rail that turns an outside corner on a level line, then begins a 30 degree angle upward on a stairwell

bob22 02-27-2012 07:12 PM

I'lll guess 45*, 15*

joecaption 02-27-2012 07:34 PM

Every stair case is going to be differant so it's not likly someone's going to come up with the right angle.
I would do some measurements from the floor up to the bottom of the chair rail on the wall, then mark the same measurement from the the outside edge of the treads to the same height on the wall. Snap a blue chaulk line and use one of these to figure the angle.
http://images.search.yahoo.com/image...mb=cpCLpHoH11V

titanoman 02-27-2012 07:55 PM

Hold up the 2 pieces, or 2 scraps, and scribe them together.

joecaption 02-27-2012 07:57 PM

It's going to be a compound angle so it's tricky to just scrbe it.

Willie T 02-27-2012 08:13 PM

1 Attachment(s)
You're going to try to make a 30 degree rake match a flat (horizontal) run around an outside corner? I suspect you'll have to turn that corner flat first... then use a slim "transition" wedge.

woodworkbykirk 02-27-2012 08:54 PM

if you have some scrap lumber or mdf rip some 2" strips to use as test peices.. use this to find the angles of the cut then duplicate it on the actual chair rail. just another simple trim carpenter trick for finding difficult angles

rubberhead 02-27-2012 11:38 PM

Quote:

Originally Posted by woodworkbykirk (Post 865193)
if you have some scrap lumber or mdf rip some 2" strips to use as test peices.. use this to find the angles of the cut then duplicate it on the actual chair rail. just another simple trim carpenter trick for finding difficult angles

That's not a trick! That's cheating! :laughing::thumbup:

joecaption 02-27-2012 11:45 PM

I've never once seen that return and then the angle as shown in the picture.
Far better better to have one double bevel cut.

Keith Mathewson 02-28-2012 01:12 AM

Here's an article which may show why Willie is right. http://www.thisiscarpentry.com/2010/...board-returns/

BigJim 02-28-2012 08:15 AM

Quote:

Originally Posted by Keith Mathewson (Post 865437)
Here's an article which may show why Willie is right. http://www.thisiscarpentry.com/2010/...board-returns/

Dead on.

Willie T 02-28-2012 10:51 AM

I will admit that I HAVE, upon occasion, split the flat piece back for a foot or two, then wedged the profile wider to match the raked side..... then filled the split with spackling, and sanded it to match the raked profile.

A PITA, and not real professional, but I got away with it in instances where the Homeowner just didn't understand joinery, and insisted that the two should be able to match up.

Of course this will only work with paint grade.

titanoman 02-28-2012 04:55 PM

Quote:

Originally Posted by Willie T
I will admit that I HAVE, upon occasion, split the flat piece back for a foot or two, then wedged the profile wider to match the raked side..... then filled the split with spackling, and sanded it to match the raked profile.

A PITA, and not real professional, but I got away with it in instances where the Homeowner just didn't understand joinery, and insisted that the two should be able to match up.

Of course this will only work with paint grade.

Is "joinery" really a word?
What about "jointery"?

12penny 02-28-2012 06:03 PM

Joinery is the correct spelling.

Willie T 02-28-2012 06:28 PM

Not sure, but I think "jointery" has something to do with smoking weed.


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