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Speaker/bracket on drywall - is this safe?

Speaker/bracket on drywall - is this safe?

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  #1  
Old 10-23-17, 01:25 PM
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Speaker/bracket on drywall - is this safe?

I just installed these two speakers at the bookstore/coffeehouse/church where I am the music director. I have no concerns about the one mounted on the brick wall, as the brackets came with hardware (5/16" lag bolts and anchors) specifically intended for mounting on brick. The brackets are guaranteed to support speakers weighing up to 110 lbs when mounted on brick. These speakers weigh 32 lbs.

My question concerns the one on the opposite wall, mounted on drywall. One of the bolts (upper right) is solidly in a stud. For the other 2 I first tried Driller Toggles rated to hold 80lbs each, but they didn't work, as the drywall was too thick for them to toggle properly. The drywall is more than 1/2" thick (I think it's 3/4")

So I ended up using 5/16" toggle bolts. They have no weight rating, but they're bigger (thicker bolt, wider toggle) than the "Driller Toggles". Can I assume they should support as much weight? It looks and feels solid. The entire installatation (speaker and bracket) weighs 36.5 lbs.

I've spoken to a couple other DIYer friends, and they don't think I should worry, but I'm still a little nervous about putting something this heavy above peoples heads.

Any opinions appreciated.
 
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Old 10-23-17, 04:37 PM
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I would say you are fine, you already have one screw into a stud.
The drill togglers you linked to are available in larger diameters and they work very good (don't overtighten).
My advice is leave it alone
 
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Old 10-23-17, 06:38 PM
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I agree with Brian. Toggle bolts are about the strongest fastener you can use and the fact that they are in thicker than normal sheetrock just adds to the holding power.

I install for a living and add a safety cable from the speaker to a separate fastener.
 
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Old 10-24-17, 12:54 AM
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I'm one for overkill. If that were my installation I would install a board where I could get all fasteners into the stud, or across 2 studs, then attach the bracket to that.

It's not a residence but a public location, you dont want a 36 lb item falling on someone!
 
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Old 10-25-17, 03:23 AM
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Thanks everyone. Adding a safety cable sounds like a good idea.
 
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