Shiplap vs. Beadboard — What's the Difference?

Shiplap is a type of wooden board used commonly as exterior siding in the construction of residences, barns, sheds, and outbuildings.

Wooden boards with a bead or ridge running their length used for paneling walls or ceilings.

Fit (boards) together so that each overlaps the one below

A construction material made from "beads" of expanded polystyrene compressed together.

Boards which have been shiplapped, typically used for cladding

Wooden siding rabbeted so that the edge of one board overlaps the one next to it in a flush joint.

A type of wooden board that has rabbets to allow them to be overlapped.

To overlap boards by this means.