Mounting TV with swing arm in draywall?
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I wanted to mount my shiny new TV with a swing arm directly into my drywall. I just like the flexibility a swingarm would give me, but there are some issues that make it difficult to mount the swingarm directly into the studs in my wall. So the question became: is this even feasible with drywall anchors alone? So I started watching this video where he tested out some different drywall anchors (summation of the results are roughly 16 min into the video): Which Drywall Anchor is Best? Let's find out! - YouTube[^] I was trying out some physics calculations here and wanted a second opinion to see if I was completely off. The TV itself weighs about 25 Kg and the swingarm is about 5 Kg alone. When fully extended, the TV extends about 60 cm from the wall. The mount itself (that I had lying around) is secured to the wall with three screws. One 15 cm above the arm, one 5 cm above the arm, and one 5 cm below the arm. So I'm thinking: I have three forces working on the drywall: F_y , F_x and momentum M_0. F_y has to withstand at least 30 Kg, which looks good, as one of the three screws, with a proper anchor, should be able to handle this weight alone. The momentum the TV and mount generate, a little simplified: 30 Kg * 9,81 m/s^2 * 0.6 m = 177 N * m The outward force at each of the wall screws (I chose it equally, which is a bit simplified, I guess) is (0,15m + 0,05m + 0,05m) * 3 * F_x = 177 Nm => 708 N/3 = 72 Kg/3 => F_x = 25 Kg each? Yes, I know that I can put up a new drywall that can handle more loads, or I can place a stud or something equivalent to reinforce the TV mount. I just wanted to check if this makes sense from a theoretical viewpoint. There are, of course, some safety margins to consider (30% or so?), but I'll have to deal with that later I guess.
Would a longer arm let you reach a stud? It might be easier than messing with the wall. I think one of the benefits of using an arm mount is you have more flexibility in where you attach it to the wall vs where you want the tv to rest.
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I wanted to mount my shiny new TV with a swing arm directly into my drywall. I just like the flexibility a swingarm would give me, but there are some issues that make it difficult to mount the swingarm directly into the studs in my wall. So the question became: is this even feasible with drywall anchors alone? So I started watching this video where he tested out some different drywall anchors (summation of the results are roughly 16 min into the video): Which Drywall Anchor is Best? Let's find out! - YouTube[^] I was trying out some physics calculations here and wanted a second opinion to see if I was completely off. The TV itself weighs about 25 Kg and the swingarm is about 5 Kg alone. When fully extended, the TV extends about 60 cm from the wall. The mount itself (that I had lying around) is secured to the wall with three screws. One 15 cm above the arm, one 5 cm above the arm, and one 5 cm below the arm. So I'm thinking: I have three forces working on the drywall: F_y , F_x and momentum M_0. F_y has to withstand at least 30 Kg, which looks good, as one of the three screws, with a proper anchor, should be able to handle this weight alone. The momentum the TV and mount generate, a little simplified: 30 Kg * 9,81 m/s^2 * 0.6 m = 177 N * m The outward force at each of the wall screws (I chose it equally, which is a bit simplified, I guess) is (0,15m + 0,05m + 0,05m) * 3 * F_x = 177 Nm => 708 N/3 = 72 Kg/3 => F_x = 25 Kg each? Yes, I know that I can put up a new drywall that can handle more loads, or I can place a stud or something equivalent to reinforce the TV mount. I just wanted to check if this makes sense from a theoretical viewpoint. There are, of course, some safety margins to consider (30% or so?), but I'll have to deal with that later I guess.
This fellow has many amazing home projects many re/ placement of monitors. https://www.youtube.com/@DIYPerks/videos[^]
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I wanted to mount my shiny new TV with a swing arm directly into my drywall. I just like the flexibility a swingarm would give me, but there are some issues that make it difficult to mount the swingarm directly into the studs in my wall. So the question became: is this even feasible with drywall anchors alone? So I started watching this video where he tested out some different drywall anchors (summation of the results are roughly 16 min into the video): Which Drywall Anchor is Best? Let's find out! - YouTube[^] I was trying out some physics calculations here and wanted a second opinion to see if I was completely off. The TV itself weighs about 25 Kg and the swingarm is about 5 Kg alone. When fully extended, the TV extends about 60 cm from the wall. The mount itself (that I had lying around) is secured to the wall with three screws. One 15 cm above the arm, one 5 cm above the arm, and one 5 cm below the arm. So I'm thinking: I have three forces working on the drywall: F_y , F_x and momentum M_0. F_y has to withstand at least 30 Kg, which looks good, as one of the three screws, with a proper anchor, should be able to handle this weight alone. The momentum the TV and mount generate, a little simplified: 30 Kg * 9,81 m/s^2 * 0.6 m = 177 N * m The outward force at each of the wall screws (I chose it equally, which is a bit simplified, I guess) is (0,15m + 0,05m + 0,05m) * 3 * F_x = 177 Nm => 708 N/3 = 72 Kg/3 => F_x = 25 Kg each? Yes, I know that I can put up a new drywall that can handle more loads, or I can place a stud or something equivalent to reinforce the TV mount. I just wanted to check if this makes sense from a theoretical viewpoint. There are, of course, some safety margins to consider (30% or so?), but I'll have to deal with that later I guess.
Don't cut the drywall. Just mount a 1 X 4 to two studs. Then mount the swing arm to the 1 X 4. Paint the 1 X 4 to match the drywall. Don't make it difficult.
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I wanted to mount my shiny new TV with a swing arm directly into my drywall. I just like the flexibility a swingarm would give me, but there are some issues that make it difficult to mount the swingarm directly into the studs in my wall. So the question became: is this even feasible with drywall anchors alone? So I started watching this video where he tested out some different drywall anchors (summation of the results are roughly 16 min into the video): Which Drywall Anchor is Best? Let's find out! - YouTube[^] I was trying out some physics calculations here and wanted a second opinion to see if I was completely off. The TV itself weighs about 25 Kg and the swingarm is about 5 Kg alone. When fully extended, the TV extends about 60 cm from the wall. The mount itself (that I had lying around) is secured to the wall with three screws. One 15 cm above the arm, one 5 cm above the arm, and one 5 cm below the arm. So I'm thinking: I have three forces working on the drywall: F_y , F_x and momentum M_0. F_y has to withstand at least 30 Kg, which looks good, as one of the three screws, with a proper anchor, should be able to handle this weight alone. The momentum the TV and mount generate, a little simplified: 30 Kg * 9,81 m/s^2 * 0.6 m = 177 N * m The outward force at each of the wall screws (I chose it equally, which is a bit simplified, I guess) is (0,15m + 0,05m + 0,05m) * 3 * F_x = 177 Nm => 708 N/3 = 72 Kg/3 => F_x = 25 Kg each? Yes, I know that I can put up a new drywall that can handle more loads, or I can place a stud or something equivalent to reinforce the TV mount. I just wanted to check if this makes sense from a theoretical viewpoint. There are, of course, some safety margins to consider (30% or so?), but I'll have to deal with that later I guess.
I ran into this problem over a decade ago at a previous home. I wanted to mount the TV over the fireplace but found that the studs were a few inches beyound the width of the mounting bracket. I bought a really nice piece of oak (3/4 x 6 x 30 I think), sanded it, put a nice stain on it, mounted it to the studs, then centered the TV bracket on that with lag bolts. The difference is that my bracket didtn't extend or swivel, so the mounting board was pretty much hidden by the TV itself. Also, this was around 2009 and the original 42 inch flat screen I was hanging weighed 3x what they are today. (probably 35-40 lbs) The really fun part was adding a receptacle and hdmi plug behind the TV and running those wires behind the wall/fireplace. :doh:
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Yeah, tbh i don't really trust them either. Drywall isn't meant to bear any kind of load.
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I wanted to mount my shiny new TV with a swing arm directly into my drywall. I just like the flexibility a swingarm would give me, but there are some issues that make it difficult to mount the swingarm directly into the studs in my wall. So the question became: is this even feasible with drywall anchors alone? So I started watching this video where he tested out some different drywall anchors (summation of the results are roughly 16 min into the video): Which Drywall Anchor is Best? Let's find out! - YouTube[^] I was trying out some physics calculations here and wanted a second opinion to see if I was completely off. The TV itself weighs about 25 Kg and the swingarm is about 5 Kg alone. When fully extended, the TV extends about 60 cm from the wall. The mount itself (that I had lying around) is secured to the wall with three screws. One 15 cm above the arm, one 5 cm above the arm, and one 5 cm below the arm. So I'm thinking: I have three forces working on the drywall: F_y , F_x and momentum M_0. F_y has to withstand at least 30 Kg, which looks good, as one of the three screws, with a proper anchor, should be able to handle this weight alone. The momentum the TV and mount generate, a little simplified: 30 Kg * 9,81 m/s^2 * 0.6 m = 177 N * m The outward force at each of the wall screws (I chose it equally, which is a bit simplified, I guess) is (0,15m + 0,05m + 0,05m) * 3 * F_x = 177 Nm => 708 N/3 = 72 Kg/3 => F_x = 25 Kg each? Yes, I know that I can put up a new drywall that can handle more loads, or I can place a stud or something equivalent to reinforce the TV mount. I just wanted to check if this makes sense from a theoretical viewpoint. There are, of course, some safety margins to consider (30% or so?), but I'll have to deal with that later I guess.
I checked where the studs were; they didn't line up as they should have; so I didn't. Try and hold you TV at arms length and consider what is happening on the wall end. I was considering something "in between"; but it would have been too "unsightly" / too much work for a "hanger". Actually, most people mount them where you're always "looking up". A "low" console table where the screen is "arm chair" eye level is perfect, IMO. So, I'm actually happy I didn't mount it "up" (in the living room).
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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I wanted to mount my shiny new TV with a swing arm directly into my drywall. I just like the flexibility a swingarm would give me, but there are some issues that make it difficult to mount the swingarm directly into the studs in my wall. So the question became: is this even feasible with drywall anchors alone? So I started watching this video where he tested out some different drywall anchors (summation of the results are roughly 16 min into the video): Which Drywall Anchor is Best? Let's find out! - YouTube[^] I was trying out some physics calculations here and wanted a second opinion to see if I was completely off. The TV itself weighs about 25 Kg and the swingarm is about 5 Kg alone. When fully extended, the TV extends about 60 cm from the wall. The mount itself (that I had lying around) is secured to the wall with three screws. One 15 cm above the arm, one 5 cm above the arm, and one 5 cm below the arm. So I'm thinking: I have three forces working on the drywall: F_y , F_x and momentum M_0. F_y has to withstand at least 30 Kg, which looks good, as one of the three screws, with a proper anchor, should be able to handle this weight alone. The momentum the TV and mount generate, a little simplified: 30 Kg * 9,81 m/s^2 * 0.6 m = 177 N * m The outward force at each of the wall screws (I chose it equally, which is a bit simplified, I guess) is (0,15m + 0,05m + 0,05m) * 3 * F_x = 177 Nm => 708 N/3 = 72 Kg/3 => F_x = 25 Kg each? Yes, I know that I can put up a new drywall that can handle more loads, or I can place a stud or something equivalent to reinforce the TV mount. I just wanted to check if this makes sense from a theoretical viewpoint. There are, of course, some safety margins to consider (30% or so?), but I'll have to deal with that later I guess.
I would not consider using ANY drywall anchor. I have installed two TVs on walls, one with a swing arm, and I made certain to utilize the wall studs. I would not do it any other way.
"They have a consciousness, they have a life, they have a soul! Damn you! Let the rabbits wear glasses! Save our brothers! Can I get an amen?"
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I wanted to mount my shiny new TV with a swing arm directly into my drywall. I just like the flexibility a swingarm would give me, but there are some issues that make it difficult to mount the swingarm directly into the studs in my wall. So the question became: is this even feasible with drywall anchors alone? So I started watching this video where he tested out some different drywall anchors (summation of the results are roughly 16 min into the video): Which Drywall Anchor is Best? Let's find out! - YouTube[^] I was trying out some physics calculations here and wanted a second opinion to see if I was completely off. The TV itself weighs about 25 Kg and the swingarm is about 5 Kg alone. When fully extended, the TV extends about 60 cm from the wall. The mount itself (that I had lying around) is secured to the wall with three screws. One 15 cm above the arm, one 5 cm above the arm, and one 5 cm below the arm. So I'm thinking: I have three forces working on the drywall: F_y , F_x and momentum M_0. F_y has to withstand at least 30 Kg, which looks good, as one of the three screws, with a proper anchor, should be able to handle this weight alone. The momentum the TV and mount generate, a little simplified: 30 Kg * 9,81 m/s^2 * 0.6 m = 177 N * m The outward force at each of the wall screws (I chose it equally, which is a bit simplified, I guess) is (0,15m + 0,05m + 0,05m) * 3 * F_x = 177 Nm => 708 N/3 = 72 Kg/3 => F_x = 25 Kg each? Yes, I know that I can put up a new drywall that can handle more loads, or I can place a stud or something equivalent to reinforce the TV mount. I just wanted to check if this makes sense from a theoretical viewpoint. There are, of course, some safety margins to consider (30% or so?), but I'll have to deal with that later I guess.
Kenneth Haugland wrote:
drywall
It's probably been said already, the list of glomers-on right now is as long as my forearm, but this link to a "drywall anchor" video is missing the point. One doesn't have to view that video either to know that despite any other thing in the world of cheap beads and Rocco the DW assitant ... and a taper ... and a footstool/ladder ... that fastening ANYTHING to a vertical "wall" requires support from behind the sheetrock. Don't you watch "This Old House", man? ;)
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It may hold while against the wall but as soon as you extend it, it will end up on the floor!
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Depending on your skills, get a nice piece of wood screwed into nearby studs through the drywall.. Then paint it the same color as the wall. Mount the TV swing arm to that wood. Anybody that judges you for this isn't a friend :)
Hogan
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I wanted to mount my shiny new TV with a swing arm directly into my drywall. I just like the flexibility a swingarm would give me, but there are some issues that make it difficult to mount the swingarm directly into the studs in my wall. So the question became: is this even feasible with drywall anchors alone? So I started watching this video where he tested out some different drywall anchors (summation of the results are roughly 16 min into the video): Which Drywall Anchor is Best? Let's find out! - YouTube[^] I was trying out some physics calculations here and wanted a second opinion to see if I was completely off. The TV itself weighs about 25 Kg and the swingarm is about 5 Kg alone. When fully extended, the TV extends about 60 cm from the wall. The mount itself (that I had lying around) is secured to the wall with three screws. One 15 cm above the arm, one 5 cm above the arm, and one 5 cm below the arm. So I'm thinking: I have three forces working on the drywall: F_y , F_x and momentum M_0. F_y has to withstand at least 30 Kg, which looks good, as one of the three screws, with a proper anchor, should be able to handle this weight alone. The momentum the TV and mount generate, a little simplified: 30 Kg * 9,81 m/s^2 * 0.6 m = 177 N * m The outward force at each of the wall screws (I chose it equally, which is a bit simplified, I guess) is (0,15m + 0,05m + 0,05m) * 3 * F_x = 177 Nm => 708 N/3 = 72 Kg/3 => F_x = 25 Kg each? Yes, I know that I can put up a new drywall that can handle more loads, or I can place a stud or something equivalent to reinforce the TV mount. I just wanted to check if this makes sense from a theoretical viewpoint. There are, of course, some safety margins to consider (30% or so?), but I'll have to deal with that later I guess.
If you are short term in the space, buy a 3/4in 18mm plywood. Cut it just wide enough to span the studs behind the sheetrock. You might need to span two full studs. about 32 inches. Depends on if the center of your mounting falls across one stud.If you are lucky, you will only need to span 16 inches. Paint to match the wall. Put some of the thin sticky non skid feet on the back where it will hit the studs. This will stop it from messing up any texture on the wall. Drill the screw holes through the plywood and into the studs. 4 holes or 6 holes if you had to span two studs. Drilling all of the holes first makes it easier to find any problems. (like missing the studs) Wait 30 minutes in case you hit a pipe. Check for leaks! Plumbers should put metal plates on studs that have plumbing, but older houses won’t have them. put in some strong screws. mount the TV on the plywood. When your lease is up, back out the screws and fill the holes with color matching toothpaste!
