Which is better: 2×2 or 2×5?
Composite boards,2 x 2 composite boards are great for small homes.
They come in many different sizes and shapes, are lightweight and cost little to produce.
However, the 2×3 boards are not as good for homes with lots of wood on the ground.
And since they have 2×6 and 2×8 studs, they are harder to install and require more labour than the 2 x 2 boards.
This article explains why 2×1 boards are more suitable for homes.