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The Before Picture is the Crawlspace of a home built in 1966.
The After Picture shows one of the Seismic Retrofitting components that were installed in the Crawlspace. This is a Universal Foundation Plate. It strengthens the bond between the home and it's foundation.
The Before picture shows a crawlspace that hasn't been seismic retrofitted.
The After picture shows the connection between the home and the foundation being strengthened. The Universal Foundation Plate is connecting the foundation to the home's mudseal, while the A35 Framing Angle Connects the home to the mudseal.
The Before Picture shows a home's Crawlspace with no strengthening Seismic Retrofittings. This home isn't securely attached to it's Foundation.
The After picture shows Seismic Retrofitting Braces strengthening the Crawlspace Posts to the Home's Crossbeams.
The Before Picture shows the Crawlspace of a Home with Sagging Floors.
The After Picture shows the Same Crawlspace with installed Smart Jacks. giving the Floors a Consistent Elevation.
The Before Picture is a room addition that the homeowner has added. The floor was sloping up to three inches.
The After Picture shows Polyurethane being injected under the low spots in the floor.