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Old 03-12-2013, 07:29 PM   #16
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18" floated shelf


Do you have some scrap plywood? I'd make a mock up and try it---if it works---you are good---that's kind of big without much place for screws into studs---

Make a sample---before you spend money on good plywood---

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Old 03-12-2013, 08:34 PM   #17
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18" floated shelf


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Originally Posted by smcallis View Post
I'm open to the frame being made of anything needed to give it adequate strength.
What kind of framing are you thinking?
Most of the floaters I've done are out of slab (solid) wood usually 2 1/2" thick and heavy. The wall (usually) needs to be opened up to install 4x blocking in between the studs. Then long lags get run into that, the back of the wood gets drilled out to accept the shelve.

Oh'Mikes method is more compatible with the look (I think) your trying to achieve.

18" is pretty deep for a floater without opening up the wall imo. Don't forget the glue.
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Old 03-12-2013, 09:45 PM   #18
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18" floated shelf


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You think that'd be strong enough at 18"? What would you use to anchor the cleat?
Think about holding a bowling ball at arms length. that's roughly the equivalent of 30 pounds at 18". Your shelf will not be loaded quite that heavily since your weight is distributed instead of all the way at the edge. You will probably be putting about 25 - 30 foot pounds of torque on the shelf. On a 1 1/2" shelf, that puts close to 450 pounds of pull on your fasteners. Gotta love physics.
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Old 03-12-2013, 10:16 PM   #19
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18" floated shelf


try something like these headloks or ledgerloks
http://www.fastenmaster.com/lok-line.html

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