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.
Second story seismic corner bracing garage door.
When the narrow sections of the wall on each side of the opening are not reinforced or braced the weakness is worse.
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.
A bryan readling p e responds.
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.
Studies have shown that walls containing garage doors perform poorly when subjected to lateral wind and seismic forces.
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.
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