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Old 02-15-2010, 09:50 PM   #1
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sub-floor question


We are installing a sub-floor and wanted to know what type of product we should use to help prevent the extreme hollow sound. Any suggestions would be greatly appreciated!

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Old 02-15-2010, 10:40 PM   #2
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sub-floor question


what flooring are you placing over top of it?
is is blocked or braced underneath?

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Old 02-16-2010, 12:16 AM   #3
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sub-floor question


We are using engineered wood flooring with the moisture barrier underneath. One of my friends suggested using insulation...
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Old 02-16-2010, 12:44 AM   #4
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sub-floor question


yes, there are some really good underlays that deaden the sound.
and adding insulation between the joists would help. you need access to the basement to add that.
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Old 02-16-2010, 12:56 PM   #5
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sub-floor question


this is tough.....i put down "composite snap-together wood flooring system with the melamine infused paper top" in a basement over the required vapor retarder sheeting. the system was floating and even with a 4" concrete slab under it, the floating system feels hollow and fake.

i won't do a floating system ever again but would consider the 3/8" engineered in a nail down application over plywood sub-floor. or the 1/2" and definitely the 5/8" if they were nailed down. i like a floor that feels solid when it looks solid. maybe it's just a personal hangup i have.
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