Worried about mounting heavy speakers on wall

Your talking plaster walls on the wooden slats? They still use 2x4s in behind them its just really hard to find them with a stud finder. Using a butterfly drywall anchor is yor only real solution other than cutting out a section of the wall and inserting a piece of wood in behind.

I have seen the studs behind the sheetrock and this is in a mobile home. These are not load bearing walls so manufacturers skimp some on the studs to save a few pennies.

Ok, I would recommend a 2'x2' piece of 3/4" plywood glued using PL and screwed to the wall and mount the speaker to that.

What exactly is PL?

tonyvdb said:

Ok, I would recommend a 2'x2' piece of 3/4" plywood glued using PL and screwed to the wall and mount the speaker to that.

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+1... although... for aesthetics, that can be put into the wall and plastered/drywalled over... Also, if there's a decent stud to be found, I've found a few good magnets to be more useful than any commercially available studfinder, especially in walls wehre they may have done something funky... The magnets will pick up any nail/screw that holds drywall to studs or lathe to studs...

heavyhitter said:

What exactly is PL?

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It's a construction adhesive, similar (but some would say better) than Liquid Nails... dispensable from a typical caulk gun...