When it comes to garage walls plywood and drywall serve the same purpose.
Plywood interior garage walls.
When sheathing garage walls especially on a concrete floor use a temporary spacer such as strips of plywood to raise them off the floor about 3 8 1 2 while fastening them to the wall or measuring for cutouts.
Drywall doesn t do well when it get s wet it certainly won t do well when you slam something against it and it s a real pain.
The 1 2 inch plywood sheathing that goes on the outside of your house and on the roof can also make a good utility covering for your garage walls.
Either osb or plywood is fine if you just want walls for your garage without much in the way of cosmetic bells and whistles.
A 5 8 inch sheet of plywood weighs 1 8 to 2 1 pounds per square foot versus 2 75 psf for a sheet of 5 8 inch drywall.
Osb has a smoother and more consistent finished surface and a painted osb wall will have a smoother look than a painted plywood wall.
Let s face it garages take some abuse and when i see drywall inside the garage i just cringe.
This means that the average 4 by 8 sheet of drywall can weigh 20 to 30 pounds.
For that reason plywood vs drywall have been the most frequently used material to encapsulate sturdiness to your garage walls.