Subfloor booming

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Old 01-17-19, 10:28 AM
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Subfloor booming

I've only temporarily put a 3/4 plywood subfloor down. It will eventually become the main subfloor bit isit sounding like a drum in places. Can this be fixed by putting more screws in and adhesive?
 
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Old 01-17-19, 11:02 AM
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For subfloors you cant have enough glue and screws!
 
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Old 01-17-19, 12:06 PM
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Explain 'put down temporarily' If the plywood isn't secure it will vibrate.
 
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Old 01-17-19, 05:04 PM
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At the moment it has 3 screws across the 4' span every 27" (just spacing) and no glue.
what's recommended for spacing for a permanent install?
 
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Old 01-18-19, 03:31 AM
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I'm not sure although I've always put the fasteners about every 8"-10"
 
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