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Old 05-07-2010, 10:00 AM   #16
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Anyone ever hung an LCD TV on a plaster/lathe wall?


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Originally Posted by Yoyizit View Post
That kind puts enormous stress on the wall fasteners on the top of the mount.

That's why the mount is so chunky. It has to resist being torqued off the wall.

You might want to test it with the mount fully extended [worst case].

You have a link to the mount dimensions? This is what I was going to install in Reston, VA on a panelled wall but Panasonic wanted $200 for the mount so the HO opted out. Now they're going to put it on a table.
Here is the one I used from eBay:

http://cgi.ebay.com/ws/eBayISAPI.dll...=STRK:MEWAX:IT

The shipping cost is crazy but the total price at a little over $90 is great.

I hung my full weight (165) on it, with it fully extended. It is solid!


Here is the same one for $20 less:

http://cgi.ebay.com/LCD-PLASMA-FLAT-...item35a9127506

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Last edited by rjniles; 05-07-2010 at 10:07 AM.
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Old 05-07-2010, 10:14 AM   #17
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Anyone ever hung an LCD TV on a plaster/lathe wall?


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Originally Posted by fabrk8r View Post
I have never had luck using a stud finder to find studs through plaster and lathe due to the thickness of the plaster plus the 1/4" wood lathe. I find the location of the studs by first measuring from a known stud location.
Stud finders usually do work with plaster but you have to shell out for a good stud finder. The $10 wal-mart variety won't do the trick.
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Old 05-07-2010, 12:27 PM   #18
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Anyone ever hung an LCD TV on a plaster/lathe wall?


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Originally Posted by rjniles View Post
I hung my full weight (165) on it, with it fully extended.
That's what I would have done.

I'm thinking the set weighs 78# so you've tested it to a safety factor of 165/78 = ~2. If you dare, test it to 4 by putting 330# on it. You might expect wall bulging or hairline cracks at this weight, but if it holds, it passes. Have an assistant hold a straightedge on the wall as an early warning.

For personal safety, safety factors of at least 10 are spec'd.

As more people torque the middle of studs in this way, I'd think the building codes would be recommending beefing up studs to resist this stress.

Thanks for the links; I'll tell the Reston HO that she can have a mount for a lot less than $200. She doesn't have Internet access; she should, for shopping and to stay 'connected' [she can't walk that well].

Last edited by Yoyizit; 05-07-2010 at 12:38 PM.
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Old 05-07-2010, 01:05 PM   #19
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Anyone ever hung an LCD TV on a plaster/lathe wall?


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Originally Posted by jpearson311 View Post
Ok, let's say I want to mount my TV on the wall and right underneath my tv is where all my peripherals will be (i.e., cable box, DVD player, stereo receiver, etc). If I have 2"x3" boxes in the wall behind the tv for component and power cables, wouldn't I have to have another component cable box down near the floor so my dvd, receiver, etc. can connect? The 2 boxes would of course be connected to each other inside the wall. See what I'm saying?

Jesse

Yes, you are correct that you would have to have wall plates in both locations.

You have numerous options. Some people just punch a hole in the wall and feed the cables through with a wire snake. Not the prettiest way to do it, but the components and monitor hide the holes.

You can buy special cover plates that allow you to feed the cables through and still connect directly to components and have it look somewhat finished.


One more option is to use dedicated component wall plates that are connected to each other behind the wall and you just plug your component in. Place one behind the monitor and another behind the video/audio components.

You could even go so far as to install audio connectors in the walls and run speaker wire in wall cavities to supply connection points close to speakers.

I should also say that my home, which was built in 1908, has plaster and lathe walls and I have installed several wall mounted TVs (some heavy CRTs and some flat panels) using the method I talked about in my first reply. I have had no issues with cracking plaster or breaking studs.

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Last edited by fabrk8r; 05-07-2010 at 01:10 PM.
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