03:06PM | 07/28/04
Member Since: 07/27/04
1 lifetime posts
I would like to install crown molding, but he walls and ceiling are concrete. Does anyone know how to accomplish this task?

Thank You,



08:08AM | 07/29/04
Member Since: 07/15/04
5 lifetime posts
Time to spruce up the bomb shelter? ;)

You could use the product shown here glued to the wall/ceiling.


Shoot and glue 1X stock 1/4 or 3/8" wider than the crown you are using, rabbet the excess width so it becomes part of the finished crown. You can then install your crown over that.

good luck


Don't force it, get a bigger hammer


07:35PM | 07/30/04
Member Since: 04/10/03
116 lifetime posts
Cletus, you're losing me on this one. What do you mean by making pc. 1/4" to 3/8" wider than crown. Does that pc go on wall and ceiling. I think it's a good idea, but I dont quite know what you are saying. Could you please elaborate?


03:31PM | 07/31/04
Member Since: 07/15/04
5 lifetime posts
From the top of my head, on the ground, I would affix the 1x into an inverted "L" w/ brads & glue. The legs would receive the rabbet that forms an additional reveal when the crown is mounted.

The "L" is mounted to the wall with adhesive and concrete fasteners and the crown is mounted to the "L"

Just a thought,


Don't force it, get a bigger hammer


11:41AM | 08/01/04
Member Since: 12/27/02
543 lifetime posts
Use a backer, similar to dropping crown for lighting.

Go to the DIY page on http://kingofcrown or the notebook & tutorials at and look at the installation tutorials.. specifically on page 2 of the tutorials you'll see how to make a backer to the spring angle of the crown you will be using.

Once you have the backer cut, install it using construction adhesive and tapcon screws.

To install the crown in this situation use finish screws, they will hold the crown the the surface better than shooting nails. You start the install with nails, then go back & snug up any spots that need it with the fin. screws & caulk the top & bot as usual, use the new titebond III glue for the joints.

Make sure you have the crown primed all sides, and I'd prime the backers as well the contact with the concrete may draw moisture & expand / contract more than you would want.

Alter Eagle Construction & Design


06:25PM | 10/16/14
Its easy! Go to They have the cats meow for concrete and block walls.
Their crown molding is lightweight high density material, smooth and easy to install and cut.
It installs with painters caulk! No fasteners or nails needed. Super for LED lighting. They are the only company in America that has it.
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