Second Story Seismic Corner Bracing Garage Door

In a single storey house you need to brace at least 50 percent of the length of each cripple wall while in a two story house you need to cover at least 80 percent of the length.

Second story seismic corner bracing garage door.

For example in some cases the code will call for a 4 foot sheathed section on both sides of a garage door opening or at the house corner or flanking an entry door interfering with the. This is especially true when the wall containing the garage door is offset by more than a few feet from other braced wall lines parallel to the garage door see illustration below. The large opening of a garage door and the weight of a second story room built over the garage can result in the walls being too weak to withstand earthquake shaking. For instance in a single story house if the cripple wall is 48 long you need to cover 24 which could be accomplished with a 4 panel at each end and two 8.

Install a 2 by 4 on the garage floor at the base of the door to act as a base for the brace with the length extending just beyond the door hinges. If preferred install the floor brace after installing the vertical braces. A bryan readling p e responds.