Call me crazy or not, but I am concerned with the structural design of my 1971 build single story home in Fullerton, California. We have had recent earthquakes that have damaged a number of homes in the city, however caused minimal damage in my neighborhood. Since my home was built with older building codes, none of the walls are shear walls. The exterior of the home is all stucco with only paper sheathing and half inch interior gypsum. Over the last fifteen years I had done separate two room additions that required shear walls.
The recent quakes have not revealed any new cracks in the stucco or gypsum, however I still worry if and when a larger earthquake will hit and whether the structure will be able to sustain the quake. I am somewhat knowledgeable about how shear walls work and that if not applied properly to all affected walls, could do more harm than good.
If I were to shear wall the house, I would think it would be more economical feasible to remove the gypsum and shear wall from the interior rather than removing the stucco and doing the exterior. Any thoughts from anyone on whether to shear wall from the outside or inside of the home.
With all being said, I would appreciate feedback on whether I should leave the house in its current structural state or consider shear walls as an improvement.
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