The Steel Strong-Wall shearwall is a prefabricated, steel panel that helps structures resist lateral forces such as those created by earthquakes and high winds. Designed with easy installation in mind, the Steel Strong-Wall features some of the highest allowable loads in the industry. This code-listed shearwall is suitable for residential construction. 18 in. x Nominal 8 ft. Steel Strong-Wall® Shearwall (Pack of 12).