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By the way, rlitman, do you have any thoughts about whether the 18" cleat spanning only 2 joists would be adequate to hold 60 lbs? Or is a longer cleat attached to 4 joists necessary?...

A 2x6 cleat spanning two joists and attached with (2) 3” screws each end will probably work.No attic access above ceiling. Hadn't thought about plywood. I'm OK with a cleat, just want to know if the 18" cleat spanning only 2 joists is strong enough. Or if I need to do a longer cleat spanning 4 joists.
I wouldn't worry about the weight that much except that the weight won't be hanging straight down. The cg will be out in front of the cleat or mount or whatever is used.NOTE: That ceiling fan/ light fixture box high load rating is for 16" on center joist spacing only. Half that load on 24 center. Be careful.
Things that are not used for designed purpose usually not warranted for job.
That is a very good point so yes I like going to a 2x6. Or glue together 2 layers of 1x oak.I wouldn't worry about the weight that much except that the weight won't be hanging straight down. The cg will be out in front of the cleat or mount or whatever is used.
I like the idea of some oak but even a 2x6 would look fine. Cut the ends at all angle and bevel the sides that aren't against the stone and it'll look like it was meant to be. With the right screws, I wouldn't even worry about hiding them.
This is an interesting idea, and I actually just installed one of those ceiling fan boxes last week. I'm exactly not sure it would be so easy to adapt the pole, though. Did you have specific thoughts about how to do that or are you just saying that you suspect a reasonably handy person could wing something together?
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I’d probably do a 2x 4 or 6 myself. The cleat attachment has been addressed but not the support to the cleat. 7/8” isn’t much to screw the flange of the support into. Aesthetically, it’s all subjective but I would forget about “hiding” the cleat, unless you’re willing to cut/repair/paint drywall. Focus on making it (and the pole/support) more attractive. I wouldn’t throw out your idea of adding a couple more pieces to the cleat to return to the back wall. Stick something up there and see what it looks like. It’s hard to tell but it looks like your house design is pretty modern, so that may be a challenge. Maybe try to tie it together (aesthetically) with something else in the room?CraigStu, just curious why'd you switch from the 1x6 to the 2x6? And why an x6 instead of an x4?
I could do any of those, pretty easily, but I'm just curious if you ended up deciding you don't think the 1x6 is strong enough. For aesthetic reasons the 1x would probably look better than the 2x because it's a bit thinner.
you can’t use the fan box. The force being applied to it is not straight down. The force will be a twisting motion as the tv is cantilevered out in front of the pole. The fan boxes aren’t designed for that in any way.
