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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
(1223)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 this board be used to attach rock veneer outside and around the fireplace ?
by|Oct 23, 2023
1 Answer
Answer This Question

A:  The veneer will need to be 15 lbs per sq ft or less.

by|Mar 3, 2024
    2 found this answer helpful
    caret
    Q:Is it heavy?
    by|Oct 22, 2023
    1 Answer
    Answer This Question

    A:  It is 1.97 lbs per squre foot.

    by|Oct 23, 2023
      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
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                      Width (ft) x Length (ft)

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