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Tongue and Groove

Flooring installation methods

Definition of Tongue and Groove

Tongue and groove is a type of woodworking joint. The tongue joint is a flat piece of extended wood that's slotted into a slot (the groove) that runs down the entire length of a wood plank.

The tongue and groove joint ensures two pieces of flat wood are joined tightly together to create a single flat surface without nailing or gluing.

Example of Tongue and Groove in a Sentence

“Tongue and groove joints feature tight seams that can be made water resistant with the right coating.”

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