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American Wood Council

Is summation of capacities allowed for shear walls sheathed on both sides with different materials?


Direct summation is not allowed. It is permissible to take twice the value of the weaker material. The exception to this is for shear walls sheathed on one side with wood structural panels and gypsum on the opposite side when used to resist wind loads per SDPWS 4.3.3.3.2.

 
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