Osb has a smoother and more consistent finished surface and a painted osb wall will have a smoother look than a painted plywood wall.
Plywood interior 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.
Let s face it garages take some abuse and when i see drywall inside the garage i just cringe.
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.
For that reason plywood vs drywall have been the most frequently used material to encapsulate sturdiness to your garage walls.
It s a wall covering that you can smack repeatedly with two by fours and you won t have to be selective about where to put hooks to hang your tools.
When it comes to garage walls plywood and drywall serve the same purpose.
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.
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.
This means that the average 4 by 8 sheet of drywall can weigh 20 to 30 pounds.