Rails or similar for TV Mount

Hello, I have the below mount which I've not put up yet as I still need to work out what is the best comfortable height for my living room.

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Got to thinking it would be cool if there was some form of rail system to attach the mount to so you could easily move the height up and down by releasing a catch and readjusting the height, carefully of course.
Edited the picture to give an idea what I'm hoping for

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Anyone know of something like this out there?,....have been searching for it but not found anything yet.

In principle the idea is fine. However, from personal experience from installing TVs and mounts professionally most folk want all the "gubbins" at the back as hidden as possible by the footprint of the TV; you'd see the rails above/below the set. They also hate seeing cables. A pull-out mount needs long cables anyway, so something height adjustable would need even longer cable. Then there's the "flatness", particularly an issue with ultra-slim TVs. A 3ch thick TV on a 20cm thick bracket-works just looks wrong.

Add all the above together and it doesn't make a commercially viable solution. Not to mention the risk to the TV if the set was released to drop full height. There's a nice little law suit in waiting. Finally, cost. Even if one got past all the issues there's still the price to make something safe that does the job. I can hear the Barnsley War Cry now... "How much?!!"

In the end the answer is simple. Set the TV height to a comfortable level. If it's not on a TV stand then it's going to sit higher by default. Try to have it so that you're eye-level with the bottom third of the screen. Then tilt the screen down so it's square to the viewer. Job done.

ChrisFrost said:

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Thanks ChrisF

I'm not bothered by the cables and gubbins on show, prefer it that way so can get access to them.

I guess I'm looking at some heavy duty rails with a push clip thing to hold the height in place (like the push clip found on weights machines to set your lifting plates) so I guess I'll make something up when I get round to it

In the meantime I'll just eye-level it with the help of a friend and see if bottom-third or mid-screen works best for me as those are the two heights I see people advising on most of the time.

Such things do exist - but they are normally done with extra joints in the arms - like this one which is for smaller monitors. Really, whatever you want, someone probably does make it - and trust me, having seen what some of them cost, HOW MUCH really does apply.

Also, if you have a mount where the TV can be moved and/or isn't quite close to the wall, then check carefully that the wall will take the weight - and in particular the pull-out load on the top fixings. I recall doing a job for a customer at work, and I was always a tad apprehensive about a TV we had on a mount like you have - on a cobble and lime mortar wall. I was dreading that one day we'd get a call to say it had fallen off. Fortunately on that score, they decided to close that branch and it got taken down.
Last one I fitted was a 55" display on a stud wall. Binned the screws that came with the bracket, and put 60mm coach screws into the studs. But then I do tend to over engineer things a little.

SimonH2 said:

HOW MUCH

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Yeah I'm not a big fan of spending more than I have to so I'll keep my eyes open and in the meantime I'll see how I get on with that bracket and how the wall holds up. It's brick and plaster, 60 - 70's build, recently stripped the wallpaper off it when I moved in and yet to paint. So if the TV rips the plaster out I can repair it before painting

Your fixings need to go into the brick, not the plaster. I usually tap the plugs in below flush - so that the screw expanding it doesn't blow off the plaster surface as can sometimes happen.