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Fix 40 kg TV to plasterboard and OSB wall

up vote 14 down vote

I need to fix a 65 inch TV to a wall that is made of plasterboard on 18 mm OSB. These are fixed on with metal stud/rails at 600 mm intervals. My worry is the OSB isn't thick enough to hold the TV on its own, and the metal studs offer nothing to fix into of any great note. Any advice would be appreciated.

2 Answers

up vote 4 down vote accept

Use proper sheet-metal screws into the studs. "Self-drilling" screws will save a step, or you can pre-drill the proper size hole for the screws.

Your worry is unrealistic - steel studs are quite robust.

up vote 3 down vote

With 18 mm OSB attached to steel studs and drywall over that the wall is very strong. I don't think it would be necessary to screw the bracket into the studs. Four appropriate screws into the OSB should be sufficient with a safety factor, and no more than six would possibly be needed. This assumes that the bracket is fixed and holds the TV close to the wall.


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Fix 40 kg TV to plasterboard and OSB wall

up vote 14 down vote

I need to fix a 65 inch TV to a wall that is made of plasterboard on 18 mm OSB. These are fixed on with metal stud/rails at 600 mm intervals. My worry is the OSB isn't thick enough to hold the TV on its own, and the metal studs offer nothing to fix into of any great note. Any advice would be appreciated.


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up vote 9 down vote

Use proper sheet-metal screws into the studs. "Self-drilling" screws will save a step, or you can pre-drill the proper size hole for the screws.

Your worry is unrealistic - steel studs are quite robust.

edit

1/4" screw, 268 lbs pullout - #10 screw, 203 lbs. trianglefastener.com/ckfinder/userfiles/files/19.pdf - Ecnerwal Jul 25 at 14:15

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