How to Apply Glue Green | Step-by-Step Guide
For best performance it is recommended that you use two tubes of green glue per sheet of 4×8′ drywall.
STEP 2 With the first layer of drywall already installed, as per local building codes, apply Green Glue Noiseproofing Sealant to the back of the second layer drywall by pulling the trigger to dispense the product from the tube. Leave a 2 to 3 inch border around the panel to allow for handling. The application pattern does not matter so long as you have distributed product evenly across the drywall.