Cripple walls are short wood-framed walls extending ... Check the size, location and condition of the bolts. Current code requires foundation bolts to be 5/8 inches in diameter and located 12 ...

The reinforcement helps hold the cripple walls together when the ground shakes violently. “Bolting” means linking the wooden frame to the concrete foundation with thick metal fasteners ...

Like so many thousands of houses in California, mine was built when bolts were smaller ... form what are called cripple walls. Imagine a picket fence of 2x4s. In a strong earthquake, that fence ...

The retrofit involves using steel anchor bolts to secure the house to its concrete foundation and plywood shear walls to reinforce cripple walls, providing additional structural stability during ...

The bolts on single-story homes should be no more ... Sylvis can also stiffen or brace a home’s cripple walls, which run upward from the top of the concrete foundation to the bottom of the ...

Houses eligible for an Earthquake Brace + Bolt retrofit are typically built before 1979 and have a crawl space under the first level with a short, weak, wood-framed wall called a cripple wall.

Foundation bolts are required to be 5/8 inches in diameter ... Hopefully, the mudsill is the same width as the studs of the cripple wall. If it's not, it's just a bit more work.

"I have the cripple wall, which is the area between the foundation ... and now that neighbor is interested in applying for the Earthquake Brace+Bolt program. To find out if you live in one of ...