fire blocking

Posts tagged #fire blocking

1 article tagged with “fire blocking”.

Open stairwell framing with fire blocking fitted between studs around the stair opening

Staircase Fire Blocking Between Floors: What Code Requires

Fire blocking closes the hidden cavities around a staircase so fire cannot travel floor to floor inside the framing. Here is where IRC requires it, which materials qualify, and how to install it.

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Calculations are for reference only. Always verify with local building codes.