If you are remodeling your older home, pay attention to the structure of the shear wall. If you are in California, it must meet the building code to withstand earthquakes. Unfortunately some tract home builders did not follow the building code but still managed to pass the inspection. This video shows the real violations as well as how to fix them.
building code violations
High definition video may help you see all of this better. This video is shot in 4K UHD setting. You may choose the higher quality by selecting youtube Setting/Quality.
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