sub floor

Discussion in 'Flooring' started by orna, Feb 10, 2010.

  1. Feb 10, 2010 #1

    orna

    orna

    orna

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    Is it true that we need to replace the particle board sub-floor in order to install a hard floor? ply wood sub floor will be much better?
     
  2. Feb 10, 2010 #2

    Wuzzat?

    Wuzzat?

    Wuzzat?

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    The modulus of elasticity (MOE) is a measure of stiffness.
    For MDF it's 0.53, for particle board it's 0.7, for fir plywood it's 1.2
    so plywood is definitely stiffer.

    MDF FAQ - Tutorial
    http://www.springerlink.com/content/p48tw34747rtw866/

    What stiffness do you need?
     
    Last edited: Feb 10, 2010
  3. Feb 10, 2010 #3

    Rich P

    Rich P

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    Is it particle board or OSB?
     
  4. Feb 11, 2010 #4

    barrycarlton

    barrycarlton

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    Knee jerk answer is.....yes!!!!

    That said, what floor are you installing?
     
  5. Feb 11, 2010 #5

    Bud Cline

    Bud Cline

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    Particle board will not hold on to a fastener all that readily when under foot daily.:)
     
  6. Apr 24, 2010 #6

    EmaRich

    EmaRich

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    Sub floor bracing is provided to transfer sideways loads down to the ground.
    Bracing needs to be provided at all levels to work. Imagine a building in a wind that had bracing to resist the wind at the roof and wall levels, but not at the sub floor level.
     

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