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Re: how to miter crown molding

Posted By: Frank
Thursday, 12 July 2001, at 6:50 a.m.

In Response To: Re: how to miter crown molding (Frank)

Hi Vince,

I'm back! First of all, there are two types of crown (in a varitey of sizes), 37 degree and 45 degree. Here in the Northeast (USA) The 37 degreee is more prevelent.

Lets start with the old fashion mitre box. If you simply position the crown on the horizontal base and verticle back part of the mitre box, you will cut it wrong every time. The easiest way I can discribe it is that in the former example, you are emulating putting the lower part on the floor (horizontal) and the top on the wall (verticle). What you want to do is cut a block or a jig at 37 degrees (or 45 degrees if that is the crown you are using) and position it against the back of the mitre box. By doing this, the bottom of the crown will be against the "wall" and the top (protruding out as it is blocked against the jig) will be against the "ceiling".

The easiest way to do a straight inside or outside 90 degree mitre with a compound mitre saw (Power slide mitre saw) is to use the pre - set lock in on the angle and bevel adjustment scale. Read the instruction book that comes with it but they are somewhere around 33 degrees and 31 or 39 or something. Again, most saws have them indicated with arrows on the degree scale or pre-set lock ins. With this formula, you simply lay the crown on the back (face up) and cut the appropriate compound angle.

The limitation with the "easy way" is that I don't know of any way to do other angles. Hence, it is best if you learn how to do it the old fashion way first. Personally, I use both. The easy way with the compound mitre saw is the quickest and easiest for 90 degree corners.

One last bit of advise. rip up some scrap wood to emulate crown molding and practice with that. Crown at over $1.00 per foot (and in some cases over $3.00 per foot) can get real expensive to practice with.

Good luck and let me know how you do.

Frank WWW.HomeInspctionhelper.Com Helping home buyers avoid the cost of unforseen expense in home aquisition.

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