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fmolden 12-31-2007 11:36 AM

Installing Crown Molding
New to the molding world so I have a couple of questions on the nailing of the molding.

When installing crown molding is it sufficient to just nail into the top plate or vertical joists? Do you need to nail the top and bottom of the molding? Do you use adhesive as well as nails?


ron schenker 12-31-2007 11:59 AM

If it's just a basic crown, that's what I do. Two inch brads top and bottom and also glued with "Liquid Nails" Many pros will recommend a wood backing for proper support, but I have done crown the way you are suggesting and never had a problem.

fmolden 12-31-2007 12:14 PM

Thanks Ron

Cole 01-02-2008 03:55 PM

What size crown?

fmolden 01-02-2008 05:48 PM

4" and 6"

skymaster 01-02-2008 06:06 PM

Fmolden: First thing, I AM NOT BEING A SMART ASS. If you do not already know how to COPE then work on that First.
Second: DO NOT nail closer than 2 feet to the corners UNTIL you have the next pc installed and fitted. Reason is the crown will ROLL, this way you keep a block of wood in your apron and you can tap the crown and fit your corner until nice THEN nail it.
Also, take a short pc, maybe foot or foot and half, HOLD IT EXACTLY how it goes against the wall, slide it up till it just contacts the ceiling,pencil mark along bottom, do this in several place along every wall, expecially the corners, you want 2 lines into every corner, this is how you can keep it in proper position when you make the corners, tap bottom up or top down to meet this line.
good luck

mtaviator 01-08-2008 10:09 AM

I like to rip triangular strips of wood, thin enough to fit in the space behind the crown, then screw them to the wall securely. Then you can easily nail the crown to the wood strips. It holds the crown more securely, and keeps it from twisting. It also allows you to use smaller brad nails as they have far less distance to travel. Makes hanging crown much easier. And yes coping them is very worth it also.

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