We have built the typical free-standing 4-level garage shelves(similar to this) & want to secure it to the house frame in the garage.
The whole thing is pretty sturdy but we just want to be safe & this is in California, where there is a threat of earthquakes.
What kind of screws do you recommend & how long should they be? Maybe 1-2 screws per shelf to the frame?
Here is a photo & rough estimate of the measurements: