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-   -   Mounting and centering a flat screen (http://www.diychatroom.com/f12/mounting-centering-flat-screen-164783/)

Stayathomedad 11-26-2012 02:17 PM

Mounting and centering a flat screen
 
2 Attachment(s)
I am in the process of mounting a 60" plasma above our fire place, I need to wall mount to be center of the fire place and mantel but the width of the mount is only 21" and there is a 2 x 4 dead center of the mantel. If I was to move the mount left or right so I could reach one of the other 2 x 4 it would make centering the TV on the wall mount 6.5" off center 3"-4" is max according to the manufacture specs.
8" off the top mantel is the header which means I can secure the bottom of the mount on the header and then only get one bolt in the center wall stud. The TV weighs 73 lbs and according to manufacture specs the mount needs to hold 4 times that amount so 292 lbs which means drywall anchors will not do the trick on the upper section of the mount. The mount I am using is a down and out mount which will bring the TV out 16.5" from the wall and the bring it down 27" from the top position of the TV, this is why the TV needs to be centered on the wall mount so it has a smooth transition from top position and the down position.



I have posted some photos of the wall in question and where the wall studs are and where the best position for the wall mount will be.
I actually thought about tearing down some of the drywall to add some support and then fixing the drywall. option #2 what if I take (2) 34" 3/4" x 2" secure those to the 3 wall studs but cutting out the drywall so as to have the cross member then center and secure the wall mount to the new cross members. Granted they will be visible when the TV is in the down position but will be hidden from view in the up position. By inserting the cross member into the wall it help reduce the distance from the wall, or should I use thicker piece of lumber.

carpdad 11-27-2012 07:12 AM

3/4" plywood spanning at least 2 studs and the tv mount installed with heavy wood screws (#10 or thicker wood screws-6 at least) will hold several hundred pounds. I guess such heavy safety margin is in case the spring fails and tv snaps down, but I would have to question the connection on the tv side.
Plywood can blend into the wall or some design can be cut into it.

CoconutPete 12-18-2012 09:21 AM

It's drywall, and it looks like you have already torn into it and done some patchwork. I say tear the wall down! It sounds like a lot of work, but drywall is not that horrible to work with - for me it just ends up being time consuming since I always have to mud and sand twice.

With a TV that heavy and the down and out mount and all the "outward" pulling it's going to be doing I wouldn't mess around. The fact that there's a stud dead center tells you there's room for studs back there. My vote is for tearing out the drywall. I was on my way to doing this, but my walls are plaster, so it would have been a huge mess, and also - there is no room for studs back there in my house.

Stayathomedad 12-18-2012 09:35 AM

3 Attachment(s)
Hey Pete, thanks for the input but I got ahold of dynamic mounting and they sent me extension for the wall brackets, that are 34" long the that fixed my issue.

Attachment 62196



Attachment 62197



Attachment 62198

CoconutPete 12-19-2012 09:50 AM

Came out good!


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