Vapor/Moisture barrer AND Underlayment?

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happyharry12

New Member
Joined
Nov 25, 2020
Messages
2
Location
Westchester, NY
Hi - hoping someone here can help since I've received 5 different opinions from 5 different reps at various wholesale flooring sites.

We're looking to install 5mm luxury vinyl plank flooring in our basement, which has a concrete subfloor. This is the floor in case it helps https://www.lumberliquidators.com/l...nk-Flooring-Tranquility-Ultra-LVP5EO/10046476

My question is: Do I need a moister barrier and a separate underlayment? Or will one of those be sufficient, and if so, which one should I get?

Specifically, I was told to get:
6 mil Poly sheeting barrier. This is the link to the exact product
Tranquility Ultra LVT Underlayment This is the link to the exact product
 

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