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  • Underlayment question

    Posted by Clayton on March 17, 2023 at 11:19 am

    Hello Joe,

    Our floor is prepped and we are getting ready to start.

    We are laying the floor over a wood subfloor that is 3/4″ thick with

    an additional 1/2″ underlayment over a crawl space that has been encapsulated and dehumified. (see attached locking system and backing image of LVP)

    We are confused by the manufacturer’s wording regarding underlayment.

    We are using NuCore Rigid Core Luxury Vinyl that is 8mm thick x 7.09 in W x 48.62 in L

    with a cork backing.

    The manufacturer states

    “This product has a pre-attached underlayment.

    The use of Sentinel Protect Plus Underlayment under this product is warranted

    for residential applications only.” (see attached specs and warranty image)

    However, when we’ve viewed NuCore Youtube videos,

    they state that the Sentinel Protect Plus Underlayment is recommended.

    (see this link as one example: https://youtu.be/aL7B8l_YwgU)

    Do we need to put down this additional underlayment?

    What do we lose if we choose NOT to install the additional underlayment?

    Would you recommend this additional underlayment?

    Thank you for your help!

    Clayton and Tessa Dean

    Anderson, SC

    Clayton replied 1 year, 8 months ago 2 Members · 2 Replies
  • 2 Replies

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