Underlayment / vapor barrier needed?

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Old 02-24-19, 08:31 PM
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Underlayment / vapor barrier needed?

I am finishing my basement and will be starting the flooring in about a week. 600 sq/ft room plus full bath.

Floors already purchased; click together floating bamboo. Water resistant Aqugaurd:
https://www.flooranddecor.com/bamboo...istant&start=6

Our house was built in 2004. Even on the wettest of seasons, that floor stays bone dry. The instructions do not call for an underlayment. Questions:

- Do I need an underlayment?
- Do I need a vapor barrier?

I am fine doing either one but want to make sure I "should" be doing one/other/both.
 
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Old 02-24-19, 08:52 PM
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Their installation instructions recommend 6mil poly on concrete.
 
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Old 02-25-19, 12:16 AM
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No underlayment required.


This was on the cover sheet, didn't see anything in the installation instructions.

However, most flooring laminates benefit from a padded/acoustical underlayment, they can sound pretty tinny which is a typ complaint!
 
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