been looking through some forum threads in this topic and AHPP (page 529).
basically any wall 5/8” Type X (or C) is ONE HOUR rated (including basically most double layer walls BETWEEN 3/4” and 1” (that have at least one of the layers as Type X).
and a TWO HOUR rated wall is basically any combination of Type X sheetrock that is 1 1/4” or over.
with both sides of the wall being treated as above.
don’t really need any commentary just wanted to pass along some data...
Please sign in to leave a comment.