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Red Squirrel 09-13-2010 12:29 PM

TV arms
I am thinking of getting a TV arm so i can put my TV in the corner of my living room and be able to swivel it to the desired position and maybe move it around a bit like if I'm at the dinner table. (did not buy a TV yet but planning to)

Something like this:

But, are these really strong enough to support large TVs? It seems to me the leverage created by having the TV extended would put huge stress on the wall bracket and eventually give way. A 40 pound TV would probably be putting a couple hundred pounds of force at the arm itself because of the leverage. It's like trying to hold a stick horizontally by just the end, it will be hard to hold. Am I just underestimating what 4 big screws in a stud can hold?

gregzoll 09-14-2010 07:56 AM

If you do not have a 2x6 behind the drywall to support, then it will not have anything for the lag bolts to bite into.

forresth 09-14-2010 09:32 AM

It is a heavy metal bracket with a fairly large footprint. It also doesn't look like an overly long arm. If it says it can handle 125lbs, I wouldn't doubt it.

The most likely failure mode I see is the bolts ripping out of the wall.

Red Squirrel 09-20-2010 12:52 PM

So guess as long as I go in the stud I should be fine? I think they are designed for that so the holes will line up properly. I'd just have to make sure it is indeed a 2x6 I have since I think it's 2x4, then cinder block. (garage on other side)

forresth 09-20-2010 02:28 PM

you could get a long bolt with a nut and washers, then go right throught the wall and the block, to the garage. you'd be good to go for sure that way.

H. A. S. 09-21-2010 04:09 PM


Originally Posted by forresth (Post 504366)
you could get a long bolt with a nut and washers, then go right throught the wall and the block, to the garage. you'd be good to go for sure that way.

I second that emotion!:yes:

Smokey also agrees.:wink:

Red Squirrel 09-21-2010 05:22 PM

I thought of that too, actually.

Thurman 09-21-2010 06:53 PM

IF you can get at least four (4) #10 or better wood screws into studs, then I think you will be fine. But I would NOT fasten this into any other wall support. I installed on in my bedroom, but had the luxury of having the closet space right behind where I wanted to mount it. I cut out part of the closet wall, added a 2x6 board between the 2x4 studs with pocket-screws and would hang my fat butt off of it. That is what I attached my wall bracket to. Where did I get the wall bracket? From my sisters condo in FL. The condo HOA had them installed in ALL of the Master Bedrooms there and they began breaking off of the walls before the project was finished. They were attached directly to the sheet rock walls with expansion plugs and screws per manufacturers instructions. ALL of them had to be removed and thrown into a dumpster. YEP, I went dumpster diving.

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