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Securing furniture to fire-rated party wall (1" drywall on metal studs)

Securing furniture to fire-rated party wall (1" drywall on metal studs)

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  #1  
Old 09-06-10, 06:47 AM
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Securing furniture to fire-rated party wall (1" drywall on metal studs)

I need to secure a bookcase to a wall in a child's room so it can't tip over. The wall is (I believe) two layers of 1/2 drywall on metal studs, with insulation behind. I don't know what kind of insulation it is, I think fiberglass. It's a fire-rated party wall between two townhouse units. I want to disturb the wall as little as possible, but of course want the furniture to be secure. What kind of fasteners should I use for this? Can I trust a fine thread drywall screw into a metal stud?

I'm thinking that maybe if I do it in such a way that the bookcase is actually secured to the wall so it can't move, I might be able to get away with a toggle or some other drywall anchor. The typical furniture safety straps that allow the furniture to move a little before the straps catch can probably apply a large force to the fastener when the "catch" the furniture, but no such impulse forces will happen if the furniture can't move freely at all.

Any advice appreciated.
 
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Old 09-06-10, 09:03 AM
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You would be safest to buy an inexpensive stud finder with metal and deep scan features. Then you can find the metal studs. Depending on how thick your back is on the case, add that to the 1" sheetrock, and allow 1/2-3/4" to penetrate into the metal stud. I would use a self tapping screw so it will cut the metal as you drill.
 
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Old 09-06-10, 12:06 PM
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If the studs are 25 ga a sharp point fine thread will have a little more hold than a drill point. If the studs are 20ga then it will probably take a drill point to get through.
 
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Old 09-06-10, 04:07 PM
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Yeah, last ones we had to deal with were 14 gauge. Had to predrill. PITA.
 
 

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