Asked on May 17, 2019

How to replace under the sink sub floor?

Laura CooperCynthia HWilliam


3 answers
  • William
    on May 17, 2019

    Remove the damaged wood. Add 2X4 braces on the sides. Replace with new plywood.

  • Cynthia H
    on May 17, 2019

    I've done as William suggested, and then covered the unfinished wood with waterproof film similar to contact paper.

  • Laura Cooper
    on May 19, 2019

    I've also done as William suggested and then sealed the new wood with Kilz primer and a coat of latex paint to prevent the wood from absorbing moisture.

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