Earthquake Retrofitting

Earthquake Retrofitting from Built Strong Foundation Repair

By: Built Strong Foundation Repair  09/08/2015
Keywords: Earthquake Insurance, Seismic Retrofit, Earthquake Retrofitting

Earthquake retrofitting ensures that your home stays on its foundation no matter what seismic event happens. To do this, we add plywood, steel and lumber to the structurally weak areas which strengthens the foundation and makes the building more secure and less vulnerable to major structural damage during an earthquake. Retrofitting is preferred for houses that were built before 1979 as they are more at risk of incurring damages in the event of a major earthquake. Two services commonly used in seismic retrofitting are foundation bolting and cripple wall bracing. Foundation bolting As the name implies, foundation bolting is used to place bolts into the foundation of a house to strengthen the connection between the wooden structures of the house and the ground. Usually, this means applying bolts into the sill, or the piece of wood that sits on top of the foundation, and connect it to the concrete below. This method requires intricate preparation, bolt planting and installation to secure good bolting strength. Cripple wall bracing The cripple wall is a wall that is usually found in the small crawl space under your home that ranges from a few inches to several feet in height. Should this wall collapse, it would send the main floor crashing to the ground, shifting the house to the side as the cripple wall rolls out from under it. The solution, then, is to brace the wall by adding ultra tough plywood securely to the wall framing. This method is very important when considering earthquake retrofitting and would significantly improve your house's chances of surviving an earthquake. These methods are essential in providing a stable foundation for your home in the event of seismic activity. Our services comply with all current city standards in Los Angeles and Orange Counties.

Keywords: Earthquake Insurance, Earthquake Retrofitting, Seismic Retrofit

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