Can I use 2 layers of gypsum board with the RSIC clips?
The RSIC clips are designed acousically to hold 36 lbs each. this means in a standard wall or ceiling application the RSIC-1 clips when 2 layers of 5/8" gypsum board are used, each isolator is holding between 30 and 35 lbs. This is within the 36 lb acoustical design load specified in the RSIC installation guide.
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