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How To Miter Crown Molding at ANY Angle

How to Miter Crown Molding with Odd Angles
I have a confession to make.  Remember when I redid my master bathroom and I installed a corner cabinet on the vanity? Remember I said I was going to install crown molding on that cabinet to finish the room?   Yeah.. you probably forgot about that since it was TWO YEARS AGO.

Well. I NEVER did it.  I was having a hard time figuring out how to miter the crown at the funky angles resulting from the weird cabinet shape.  And I only had EXACTLY 6 feet of matching crown from the cabinet company. I was paralyzed with fear of screwing it up.

That 6 foot piece of molding has been leaning against the bedroom wall for TWO FULL YEARS (#keepingitrealwithkimsix).  But thanks to Kreg** I finally figure out how to do it.  And it was so easy, I had to share the secret with you.

First let me bring you back..

Here is the before and after of the bathroom vanity.. and if you look close you can see I never finished off the top of the corner cabinet (the strange crop wasn't an accident!  #keepingitrealwithkimsix):

Here is what that sucker looks like up close.I knew I would eventually install crown up there so I didn’t even paint!  (*blushes*)
Cabinet before
I scoured the internet for good tutorials on how to miter crown and they either required you to just “guess” the angle (and use a pizza box?!), or they had all sorts of math I knew I would screw up (no seriously.. look at that link.. your head will EXPLODE) or they didn’t even mention odd angles since they assumed you only had 90 degree corners.

I just couldn’t use any of those tutorials for this project.. and then I was looking through the gift basket I won in a Kreg giveaway and it was as if my guardian angel (or should I say “guardian angle”) was watching out for me.  They had included this Crown Pro jig!

Seriously ya'all.. This thing has CHANGED THE WAY I THINK ABOUT MITERS.
Kreg Crown Pro for Mitering Crown Molding
No templates, guessing, coping, or MATH!

Plus, before I used this jig, I had the additional problem that the fence on the back of my saw was too low to handle thick crown molding..   But that is no longer a problem!!

*Do you hear those angels singing?*
Hot to miter crown molding
Everything you need (except the saw) is included in the kit.   The instructions that come with it are pretty complete, so I’ll just give you the quick and dirty overview.

Step 1:  Determine the install angle of your actual molding. (How “tilted” it is when it attaches to the wall.)  Crown typically comes in three “Spring Angles”: 38, 45 or 52 degrees.  My molding was the 52 degree variety.
Determining angle of crown molding
(Sorry I realize the angle finder moved for this photo.. it really WAS 52 not 48)
Step 2: Next you set your jig to reflect that angle (in my case 52):
Setting angle of miter on kreg jig

Step 3: Next you need the angle of the wall (or in my case cabinet) you are trying to go around.  Measuring angle to add crown to cabinet
My angles were 45 degrees.  Calculating angle of miter cut
Step 4: Here is the only math.. and it isn’t really ‘hard math’ since my 5 year old could do it.  Divide that angle in half (since you want to your crown to meet right in the center of your angle):
Calculating angle for mitering

Step 5: Next you need to set your table saw up.  Kreg gives you a cheat sheet right on the jig. You need to know only 2 things.  Is the piece on the left or the right and is the angle sticking out or going in (outside corner or inside corner):
How to position crown molding for mitering
Once you know the direction of the blade, you lock it in at the angle you determined above (in my case 22.5%):
Setting miter angle on saw
Like I said before, my saw is PUNY and the back fence is really short, so I had to set up a rig to hold my jig.  (by rig I mean a pile of scrap wood):
Setting up kreg jig for mitering crown

Step 6: Take your molding and install it UPSIDE DOWN (THIS IS IMPORTANT!) and then make the cut.   The jig hold the molding at the exact angle of the wall, which means you don’t need a compound miter cut!!!  (isn’t that awesome!!?!?!?)How to Miter Crown Molding

And there you have it.  I used my nail gun to install those suckers and I never needed to trim or recut it.. Not even once!!
After staining miter joint

I actually had molding left over.  THAT NEVER HAPPENS!  And I will admit I am completely pumped up about doing crown on my actual ceilings in the bedrooms since this so easy.
Cabinet afterI wish I had opened the box 2 years ago!

Can you believe the key to this entire process only costs about TWENTY FIVE BUCKS?!?!?!?

Just more proof that:
Only thing to fear is weird miter angles

**(No, this isn’t a sponsored post.. but I did win this awesome Crown-Pro tool in a giveaway.  I'm so glad I did or I would have never discovered it!! ).

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