Why was fiberboard used as sheathing in the 70's?

Discussion in 'General Home Improvement Discussion' started by SeattleDIY, Nov 25, 2008.

  1. Nov 25, 2008 #1

    SeattleDIY

    SeattleDIY

    SeattleDIY

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    My house was built in 1976. the "sheathing" is black fiberboard. I have heard some refer to it as sound board. I hate this stuff.

    Can anyone explain why it was used and when they started and stopped using it??
     
  2. Nov 25, 2008 #2

    inspectorD

    inspectorD

    inspectorD

    Housebroken Staff Member Admin Moderator

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    It was cheaper than plywood or regular wood and had insulating value.
    They did not pay attention to what bugs and vines and water does to it.:D

    It was the newest sliced bread.:rolleyes:
     

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