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Cutting Angle for bevel edge on countertop

Posted: Wed Dec 19, 2018 10:26 pm
by Invest777
Hey Guys.

Here's my problem I made a corner countertop for a corner cabinet, and the angles on the countertop is 134 degrees so I know I need 67 degree cuts to properly make the bevel edge cuts but my milter saw only goes up to 55 degrees. How would I make 67 degrees milter cuts from the top of the bevel edge.
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Re: Cutting Angle for bevel edge on countertop

Posted: Wed Dec 19, 2018 11:34 pm
by Shannon
Are you sure that was not 135 degrees? Because that actually is a 45 degree corner so you want 22.5 degree cuts on the bevel edge. If it is actually 46 degrees then use 23degrees.

Re: Cutting Angle for bevel edge on countertop

Posted: Wed Dec 19, 2018 11:50 pm
by A. Spruce
You're measuring the wrong side of that angle, it's a 45* angle. Divide 45 by 2 and you get 22.5. I'd recommend taking some scrap trim and cutting a right and left-hand 22.5 angle and test fit the pieces to see if you need to massage the cut angle a touch for a perfect fit. Do this for both corners before you make your actual trim cuts.

Re: Cutting Angle for bevel edge on countertop

Posted: Thu Dec 20, 2018 10:16 am
by Invest777
Thanks Shannon and spruce. What I did was I took mine digital angle finder and just put it along the edge of the angle and it actually said like 134.4 so I just rounded down. But I definitely learned something.

Re: Cutting Angle for bevel edge on countertop

Posted: Thu Dec 20, 2018 11:37 am
by A. Spruce
Technically, most of the time you're working off 90*, so if you look at it from that respect, it's a way to double check yourself.

Your wide angle is 135, subtract 90 from that and you get 45, when you have two pieces making up that joint you then divide by two, 45/2=22.5.

Another way to look at it would be if you hadn't clipped that corner off, it would be a 90* corner, correct? By clipping the corner symmetrically, you now have two corners making up that 90* transition, and each of those corners has two sides of the joint, in other words,
(90/2)/2=22.5

Because nothing in life is perfectly square, plumb, level, or accurate in any other way, that is why I suggest cutting and test fitting scraps until you find the exact angle you need. In this case, with a top that you cut, it's probably pretty close, but if you were doing base board or crown molding, I can guarantee the angles will be off anywhere from 1/2* to a few degrees.