Can someone please make clear to me how to amount out the weightiness size of a wall, near metal studs?
I also have a 40" LCD that I want to mount beside articulating wall mount that extends out about 22" which will put more pressure on the wall.
gratefulness in mortgage
Answers: A spring wing style toggle bolt is probably what you are looking for. They do not have to be on studs.
Assuming 1/2" wallboard (typical) a 1/4" diameter from Rawl would distribute you 78 lbs per fastner. 1/2" dia gives you 109lbs.
MKT (Gunebo) shows 145lbs / 185lbs for impossible to tell apart diameters.
Assuming you would use at least 2 this should do.
There are also some custom mounting kits surrounded by the link below specifically for wall mounting TV's on steel stud walls.
What you want to do is impossible next to the metal stud. They have no integrity to hold that much weightiness pulling on it. Your best bet would be to replace that section of wall near a wood stud wall. You could put 3/4" 4x8 plywood across the studs floor to ceiling then brace the posterior side of the wall with some angled steel and put wood studs surrounded by between to bolt them all together. Also if this is within and office type environment near a t-bar ceiling you would have to brace the top of the wall next to diagonal braces to the floor above.
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