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Questions and Answers for James Hardie HardieBacker 0.25 in. x 3 ft. x 5 ft. Cement Backerboard

Internet #100183556

Model #220022

Store SKU #180869

HardieBacker 0.25 in. x 3 ft. x 5 ft. Cement Backerboard
(1206)Questions & Answers (411)
  • Tile backer board for shower, countertop and floor installations
  • Floor underlayment for laminate, vinyl, wood and more
  • Moisture resistant cement backer board for tile floor and walls
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Questions & Answers

411Questions
caret
Q:can you use it in a shower
by|Oct 20, 2023
1 Answer
Answer This Question

A:  This can be used in a shower wall though additional framing will need to be added to support the .25" Backer.

by|Mar 30, 2024
    2 found this answer helpful
    caret
    Q:Can you use it as backing for woodstove
    by|Oct 16, 2023
    1 Answer
    Answer This Question

    A:  If you are looking for a non-combustible product it can be used.

    by|Nov 25, 2023
      1 found this answer helpful
      caret
      Q:why is this not recommended for exterior use? Is it becuase you sell another product that cost more?
      by|Oct 6, 2023
      1 Answer
      Answer This Question

      A:  It is not tested or approved for exterior applications. It is generally used for floors and that is not an application we would want any of our product used for.

      by|Oct 6, 2023
        caret
        Q:is this product fire retardant. Thinking about placing under grill on wooden deck?
        by|Oct 5, 2023
        1 Answer
        Answer This Question

        A:  It is not approved for exterior applications and it is only non-combustible and does not have a fire rating because it transfers heat too fast.

        by|Oct 6, 2023
          caret
          Q:Can this be used on an exterior wall as a base for brick veneers?
          by|Sep 14, 2023
          1 Answer
          Answer This Question

          A:  Sorry, the 1/4-inch product is not approved for exterior applications.

          by|Sep 15, 2023
            caret
            Q:Does hardieback fiber cement board contain sillica
            by|Sep 9, 2023
            1 Answer
            Answer This Question

            A:  Yes, it does.

            by|Sep 11, 2023
              caret
              Q:Can I use the 1/4" Backerboard as a subfloor in my enclosed 3 season room? I would lay it on top of PT decking and cover with peel and stick outdoor carpet tiles.
              by|Sep 6, 2023
              1 Answer
              Answer This Question

              A:  It can only be used for floors in condition spaces only. Meaning it has to be a room that is heated and cooled. It is not approved for exterior applications.

              by|Sep 6, 2023
                caret
                Q:Do I need to tape my joints if I am putting on tiles. I am using .25 3x5 Hardie backer cement board sheets
                by|Aug 29, 2023
                1 Answer
                Answer This Question

                A:  Yes, they need to be taped

                by|Aug 31, 2023
                  1 found this answer helpful
                  caret
                  Q:Is the Hardie Backer combustable? Is it suitable (with tiles) for a wood stove base?
                  by|Aug 15, 2023
                  1 Answer
                  Answer This Question

                  A:  The Hardie Backer is non-combustible. You'll need to verify with your stove manufacturer if this product is acceptable.

                  by|Oct 25, 2023
                    caret
                    Q:Does this product comply with the codes for installation directly on the frame in bathrooms and showers?
                    by|Aug 11, 2023
                    1 Answer
                    Answer This Question

                    A:  You can use a minimum of 2 in x 4 in wood studs or 20-gauge metal studs, which must be straight, properly aligned and spaced a maximum of 16 in on center.

                    by|Oct 20, 2023
                      1 found this answer helpful
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