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Earthquake Retrofit/House Bolting


Quite simply, it means Earthquake Hazard Reduction. Earthquake retrofit for wood frame buildings addresses what is known as “The Earthquake Weakness” – which involves the attachments of the structure – your home – to its foundation. Seismic Safety evaluates and performs structural and foundation reinforcements and repairs that will reduce the risk of earthquake-induced damage to your home.


Why is Earthquake house bolting and retrofitting important to your home?

Recent earthquakes have shown that if a building has weak cripple wall bracing or is unbolted, it may slide off its foundation even in certain moderate earthquakes. We have seen buildings whose Cripple stud walls have toppled over, and the buildings have collapsed and slid. Fallen buildings may catch fire or need extensive foundation repairs to restore occupancy requirements.


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Earthquake Retrofit House Bolting


Foundation Repair/Replacement


The foundation repair cost is only a fraction of the potential cost of damages if your house is left unsecured.
If your home’s foundation has deteriorated beyond repair, Seismic Safety can install a sister foundation inside and alongside your problem foundation and be tied into the structure, bearing the weight and relieving the stress on the damaged areas. Your home’s foundation is a common area of structural weakness. When concrete foundations are porous or crumbly, they will not provide adequate strength to resist earthquakes.



Is your Home Earthquake ready?


Founded in 1954 by Ed Sylvis, foundation contractor, Seismic Safety is widely recognized as the premier Southern California Resource for residential Earthquake and Foundation reinforcement.


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Seismic Safety - Ed Sylvis Construction

1410 North Lake Avenue | Pasadena, California 91104


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