The Strong-Wall high-strength wood shearwall may be installed in a back-to-back orientation in residential, multi-family and light-commercial applications for cases where maximum allowable loads are required and a special moment frame might otherwise be specified. The allowable ASD shear loads for back-to-back installations may be taken as twice those listed for standard applications. Double 2x8 top plates are required for standard applications and a minimum 7" x 11." header is required for single or double-portal applications depending upon loading and span requirements. Back-to-back anchorage solutions for spread footings and reinforced grade beam foundations are provided in detail sheets WSWH1.2 and WSWH1.3.
Codes: ICC-ES ESR-2652, City of LA Building Code Supplement and State of Florida FL5113
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Installation