Poplar is a top choice for T&G ceilings because of its beautiful grain and ease of use. It is durable like oak but easier on tools when being cut or finished.
The primary advantage of T&G is the —a protruding "tongue" on one edge that fits into a "groove" on the other. This design:
Best for flooring and standard ceiling planks. They often carry common sizes and finishes ready for pickup.
Ideal for large-scale projects like porch construction or barn builds where you might need specific dimensions or "rough-cut" options.
Prevents boards from shifting or warping independently.