Determining Crown Cutting Angle With Sloped Ceiling

Mar 13, 2006 4 Replies

I'm thinking of adding crown to a ceiling that's intentionally sloped at an as yet undetermined angle (it's not a drastic slope and might be something like 80 degrees). How can I determine what angle my compound miter saw needs to be set at and is it the bevel or miter setting that is used to determine the ceiling angle? Or if I choose to cope, perhaps it doesn't matter at all and standard angles apply....?



Thanks in advance!



There are charts available or you could also go this route:

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Jim,

Your saw manual should have tables with angles. The manual from my DeWalt:

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There's a bunch of other info if you Google "compound miter angles". Everything from charts to tables to scientific formulas.

The one thing they all seemed to say - practice on scrap pieces.

Jim

Jim C> I'm thinking of adding crown to a ceiling that's intentionally sloped

Jim, Table 1 in that DeWalt document looks to have the info I needed, and which my Ridgid manual didn't. Thanks very much!

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