Vaulted crown moulding

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Project by trimworxinc posted 10-19-2011 04:34 AM 6007 views 1 time favorited 16 comments Add to Favorites Watch

Just finished a whole house of crown moulding including these awesome looking vaults. I like this alot because the vaults are not too steep. Steep vaults with crown looks wierd to me although it is preference. This is six inch georgian crown.

-- Joseph Stephens

16 comments so far

View Moron's profile


5032 posts in 3892 days

#1 posted 10-19-2011 04:47 AM

so why is it vaulted ?

nice job on the crown moulding : )

-- "Good artists borrow, great artists steal”…..Picasso

View Moron's profile


5032 posts in 3892 days

#2 posted 10-19-2011 04:56 AM

ahhhh, cause the ceiling is vaulted

disregard that comment

need close ups of the “vault”, ..aka the peak, thus my question


when you take crown mould up to the top of a vaulted ceiling “sketch up“ cant mask the joint.

-- "Good artists borrow, great artists steal”…..Picasso

View Moron's profile


5032 posts in 3892 days

#3 posted 10-19-2011 05:09 AM

i fail 2 c the vault

22, 000 woodworkers

i must b the dumb one

cuz 2,100 of the 22,000 r about to say otherwise : )

-- "Good artists borrow, great artists steal”…..Picasso

View Ken90712's profile


17556 posts in 3188 days

#4 posted 10-19-2011 11:23 AM

Great job, nice and tight joints! Blondie and I have done our whole house sure makes it look better.

-- Ken, "Everyday above ground is a good day!"

View MasterSergeant's profile


1362 posts in 2687 days

#5 posted 10-19-2011 02:58 PM

if I could only achieve the same results! NICE JOB!!

-- Kelly, woodworker under construction

View 489tad's profile


3366 posts in 3010 days

#6 posted 10-19-2011 03:07 PM

Great job. I like how you did the outside corner.

-- Dan, Naperville IL, I.G.N.

View 489tad's profile


3366 posts in 3010 days

#7 posted 10-19-2011 03:16 PM

Joseph, in the first pictue does the vault start at the outside corner? I’m doing ours, three piece but no vaults to add in. I’d probably waste about 8’ getting one corner right.

-- Dan, Naperville IL, I.G.N.

View nailbanger2's profile


1041 posts in 3142 days

#8 posted 10-19-2011 03:19 PM

I hate, hate, absolutely hate, H A T E the crown with rounded corner bead look. Trimworx, I know it wasn’t your decision, I just had to let that out.

-- Wish I were Norm's Nephew

View Jim Jakosh's profile

Jim Jakosh

20487 posts in 3104 days

#9 posted 10-19-2011 03:56 PM

Beautiful fitting job!. Those small pieces around the outside are the hardest but you did a super job. I love crown molding and use it on a lot of cabinets under the top. Thanks for sharing!!!!!!

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View trimworxinc's profile


40 posts in 2460 days

#10 posted 10-19-2011 04:20 PM


Yes the vault starts at the outside corner. From left to right the first small piece is cut based on the ceiling slope. Next we have just your standard 16.3 mitre and 15.7 bevel. All the pieces that are on the vault are in the same plane so you just cut them as if it was a flat ceiling. We always make jigs to check fitment it waste some material but every cut turns out perfect. Sorry for the poor explanation.

-- Joseph Stephens

View trimworxinc's profile


40 posts in 2460 days

#11 posted 10-19-2011 04:22 PM

I dont mind the bullnose cornerbead that is 90 percent what we deal with. We prefer to cut our corners rather than buy the bullnose pieces because they tend to be thicker and not always line up perfect. If planning was involved then the drywaller could do bullnose to 90 transitions I have seen that before and it lookspretty cool.

-- Joseph Stephens

View pintodeluxe's profile


5659 posts in 2812 days

#12 posted 10-19-2011 09:41 PM

So you solved the Rubix Cube and needed a real challenge?
That must have been some intense head scratching. Great work, the joints really looks tight.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View exelectrician's profile


2327 posts in 2426 days

#13 posted 05-27-2012 05:30 AM

My wife wanted crown moulding on our vaulted ceilings and I drew a line in the sand and said “cain’t be done!” the angles are too complex honey.
You really had your work cut out doing this job and very nicely done.

-- Love thy neighbour as thyself

View TruPro's profile


1 post in 1970 days

#14 posted 01-02-2013 04:57 AM

Hate to be the bearer of bad news but that’s a classic sign of a poor install. I’m sorry no one else caught this. The proper installation technique for a bull-nose corner is a straight corner NOT trying a multi-faceted corner like this.

Any installation like this should be considered a clear sign of an amateur installation.

First and foremost, crown mouldings should never be made of wood or other imitation materials (urethane, plaster-covered foam, etc.). Aside from hand-carved marble the only authentic material is pre-cast plaster everything else will only give a poor result. (1) Wood and MDF can never be installed properly to provide a seamless finish over the life of the home (the seams will always show) (2) Urethane yellows and peels off the walls and, like wood, can never be seamless (3) Plaster-covered foam cracks because the foam and plaster have different expansion/contraction rates so, within a relatively short period of time, the material will start falling (and plaster will separate from the foam).

Pre-cast plaster is the only material that will provide a seamless finish AND allow use of deeply-carved designs (whether you’re going for a contemporary straight design or traditional floral). While there are fewer plastersmiths in the US (there are presently only three large outfits in North America that have been around longer than 30 years—Balmer, Classic Moldings and Royal Plaster-Ornament – than there are in Europe. there are still some experts in North America that can provide the materials. One of the three, Royal Plaster-Ornament (out of Ontario, Canada), will even train on proper installation techniques (believe it or not nails, glue or silicone are not correct!) to make sure your customer receives an installation that will last the life of the house, not just a couple of years.

So please research the matter before accepting the principle that wood is the appropriate material for everything. Wood moulding has its place: casements and baseboards, but that is it.

View jojo11's profile


1 post in 4 days

#15 posted 05-22-2018 12:42 AM

i can not for the life of me find out how you do this corner i have the same one (- the angle im not sure if its the same) i need help bad if any body has any help email me at

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