Blocking on basement framing


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Old 03-15-04, 10:45 AM
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Blocking on basement framing

I am framing 2x4 walls in my basement. The top plate and bottom plates are attached to the ceiling joists and conrete floor, respectively. Is it necessary to install 14 1/2 " blocking between the studs? If so, is the only reason for doing this to straighten out any warped studs so that there is a consistent 16" o.c. spacing between the studs, or is there a strutural purpose? Furthermore, if I do install the blocks, and I want to insulate the walls with fiberglass batts, won't the insulation suffer because there won't be one continuous batt from ceiling to floor, but rather, two batts separated by a 2x4?
 
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Old 03-15-04, 01:10 PM
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The blocking you are talking about is called fire blocking. The reason for it is if a fire were to get into the walls, it will keep the fire from running up the inside of your walls to your joists. In many areas this is code. In other areas it is not. You can check with your local fire dept, and they can tell you.
 
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Old 03-15-04, 01:31 PM
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Wouldn't the fiberglass insulation serve as a fire block?
 
 

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