What is the recommended procedure for achieving better acoustic performance and fire resistance in double walls? A) Apply joint compound to both l...
What is the recommended procedure for achieving better acoustic performance and fire resistance in double walls?
A) Apply joint compound to both layers of plates, up to the tape coating, equivalent to a Level 2 joint compound in the first layer and up to the selected joint compound level for the wall in the second layer.
B) Apply joint compound to both layers of plates, up to the tape coating, equivalent to a Level 4 joint compound in the first layer and up to the selected joint compound level for the wall in the second layer.
C) Apply joint compound to the first layer of plates, up to the tape coating, equivalent to a Level 2 joint compound, and apply joint compound to the second layer of plates up to the selected joint compound level for the wall.
A
B
C
A) Apply joint compound to both layers of plates, up to the tape coating, equivalent to a Level 2 joint compound in the first layer and up to the selected joint compound level for the wall in the second layer.
B) Apply joint compound to both layers of plates, up to the tape coating, equivalent to a Level 4 joint compound in the first layer and up to the selected joint compound level for the wall in the second layer.
C) Apply joint compound to the first layer of plates, up to the tape coating, equivalent to a Level 2 joint compound, and apply joint compound to the second layer of plates up to the selected joint compound level for the wall.
A
B
C
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Ed 
The recommended procedure for achieving better acoustic performance and fire resistance in double walls is to apply joint compound to both layers of plates, up to the tape coating, equivalent to a Level 4 joint compound in the first layer and up to the selected joint compound level for the wall in the second layer. Therefore, the correct answer is option B.
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