Quittintime: Plaster Cornice Installation ( Crown Molding )101
 

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markcadioliAdministrator



Reged: Apr 26 2002
Posts: 1406
Loc: Australia
Plaster Cornice Installation ( Crown Molding )101
      #5322 - Mon Feb 17 2003 11:19 AM

Here Down Under we use a lot of Plaster Cornice ( crown molding )

This comes in lenghts of up to 6 m ( 18ft ) and comprises of a gypsum centre covered in paper.


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markcadioliAdministrator



Reged: Apr 26 2002
Posts: 1406
Loc: Australia
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5323 - Mon Feb 17 2003 11:22 AM Attachment (362 downloads)

First the measurements are recorded

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markcadioliAdministrator



Reged: Apr 26 2002
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Loc: Australia
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5324 - Mon Feb 17 2003 11:25 AM Attachment (379 downloads)

The pieces are cut to size with a handsaw in a mitre box and then layed face down ready for adhesive. Adhesive is a compound just like setting compound only sets a lot harder and faster.

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markcadioliAdministrator



Reged: Apr 26 2002
Posts: 1406
Loc: Australia
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5332 - Mon Feb 17 2003 09:18 PM Attachment (339 downloads)

Andy runs the adhesive on with a steel trowel ( there is a knack and they make it look soooo easy )

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markcadioliAdministrator



Reged: Apr 26 2002
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Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5333 - Mon Feb 17 2003 09:19 PM Attachment (370 downloads)

then up she goes

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markcadioliAdministrator



Reged: Apr 26 2002
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Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5334 - Mon Feb 17 2003 09:20 PM Attachment (375 downloads)

and pressed into place. no nails or screws in this case.

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markcadioliAdministrator



Reged: Apr 26 2002
Posts: 1406
Loc: Australia
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5335 - Mon Feb 17 2003 09:22 PM Attachment (352 downloads)

aim for enough adhesive to get this effect. This saves a lot of finishing trouble and you know you got contact all the way.

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markcadioliAdministrator



Reged: Apr 26 2002
Posts: 1406
Loc: Australia
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5336 - Mon Feb 17 2003 09:24 PM Attachment (336 downloads)

next a run around with a small tool for first clean up

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markcadioliAdministrator



Reged: Apr 26 2002
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Loc: Australia
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5337 - Mon Feb 17 2003 09:26 PM Attachment (369 downloads)

then finished off with a wet sponge. ( sorry for the blur but Andy moves fast )

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markcadioliAdministrator



Reged: Apr 26 2002
Posts: 1406
Loc: Australia
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5338 - Mon Feb 17 2003 09:28 PM Attachment (363 downloads)

and this is the preferred way to move cornice around. It's a little tricky at first and the longer lengths can be a problem.

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markcadioliAdministrator



Reged: Apr 26 2002
Posts: 1406
Loc: Australia
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5339 - Mon Feb 17 2003 09:29 PM Attachment (333 downloads)

externals are finished with a broad knife

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markcadioliAdministrator



Reged: Apr 26 2002
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Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5340 - Mon Feb 17 2003 09:30 PM Attachment (343 downloads)

to a finish like so, then when dry are final sanded with wet mesh

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kkearney



Reged: May 01 2002
Posts: 244
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5344 - Tue Feb 18 2003 03:21 AM

Nice stuff, does it come in other profiles?

KK


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markcadioliAdministrator



Reged: Apr 26 2002
Posts: 1406
Loc: Australia
Re: Plaster Cornice Installation 101 [Re: kkearney]
      #5458 - Sat Feb 22 2003 09:41 PM

yes Ken there are many profiles. This is just one. Plaster cornice was traditionally cast up on a mold and there are many places still doing this with some spectacular types available.

web page


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markcadioliAdministrator



Reged: Apr 26 2002
Posts: 1406
Loc: Australia
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5462 - Sun Feb 23 2003 05:54 AM Attachment (333 downloads)

this is some of the cornice and ceiling detail in our current house which is about 50 year old

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Jeff_J_Buck



Reged: May 05 2002
Posts: 143
Loc: Pittsburgh PA
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5528 - Thu Feb 27 2003 10:49 PM

How well does it take stain??

Jeff


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markcadioliAdministrator



Reged: Apr 26 2002
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Loc: Australia
Re: Plaster Cornice Installation 101 [Re: Jeff_J_Buck]
      #5552 - Sat Mar 01 2003 05:31 AM

Jeff

I've never seen stained cornice. I doubt if it would take it. ( it's cardboard covered the stuff I'm using and the older stuff is cast plaster )



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LukaAdministrator



Reged: Apr 26 2002
Posts: 1406
Loc: The great NorthWet
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5553 - Sat Mar 01 2003 07:46 AM

I think his question was tongue-in-cheek.



Like a sponge, Jeff. Like a sponge...



--------------------
The true measure of a man is how he treats someone who can do him absolutely no good. ~Samuel Johnson


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Jeff_J_Buck



Reged: May 05 2002
Posts: 143
Loc: Pittsburgh PA
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5554 - Sat Mar 01 2003 07:48 AM

I was a jokin!

Musta got lost in the overseas translation.

Just saw that type of install on some home show on TV.....thought it interresting.

Is it used mainly to matching existing details....for for new work?

Never saw anything like it around here...but it must be somewhere state side...ala...the TV show.

U guys have MDF crown......I can get the primed MDF in same profiles as pine or hardwood......for larger profiles...I'll usually go with the MDF when paint grade allows me. Usually cheaper.

How's that stuff compare to MDF....and/or....

How's it compare to paint grade wood...price wise?

Looks like the install would be a time/money saver...unless it's way trickier than it looks.

Ya think there'd be a steep learning curve?

Jeff


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markcadioliAdministrator



Reged: Apr 26 2002
Posts: 1406
Loc: Australia
Re: Plaster Cornice Installation 101 [Re: Jeff_J_Buck]
      #5565 - Sat Mar 01 2003 10:41 PM

Jeff

Timber ( or MDF ) crown would be the exception rather than the rule down here. In fact I think you would have to have it run as it is not a stock item.

Price comparison..I think it would be cheaper. Both to buy and install. But I don't know what your costs are so I'm guessing.

Andy makes $40/ hour putting this stuff up. ( it's a lineal charge ). Material costs start at around 30 cents a foot ( your money ) and go up from there depending on the profile.

To learn. It's very straightforward. Just have to work fast as the adhesive doesn't muck around.

I'd say someone with an interest in and with a background in installing crown could learn it in a day.

I think there are cheap fares to Australia at the moment Jeff. Get yourself a ticket and come down for weekend. I'll arrange the accomodation and you can spend the day with Andy.

Probably be a tax deduction for you?



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Jeff_J_Buck



Reged: May 05 2002
Posts: 143
Loc: Pittsburgh PA
Re: Plaster Cornice Installation 101 [Re: markcadioli]
      #5703 - Mon Mar 10 2003 01:37 AM

$0.30/ft!
wow...that's quite a bit of savings on materials alone.

I just installed a house full of mdf that ran ...I think....$1.07/ft.....

and got enough paint grade pine...preprimed....on clearance....for right around $1.00/ft.

usually that would be closer to $1.15 or so.

Interresting.

Jeff


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