Glossary of Terms


One side and one end of the plank have a groove, the other side and end have a tongue (protruding wood along an edge's center). The tongue and groove fit snugly together, thus joining or aligning the planks, and are not visible once joined. Tongue-and-groove flooring can be installed by glue-down (both engineered and solid), floating (engineered only), or nail-down (both solid and engineered).

Tongue-and-groove News

Latest News

...s. The tolerance for error is slim, but most tradesmen intentionally cut the opening narrow and then sand the inlay to the final fit. Obviously, in the case of new floors, the piece can be secured by tongue-and-groove joints during installation-that is, if the idea comes up before the floor gets set. Hardwood floors can be modified more readily than others, partly because they're easy to ...
Cork Plank Flooring
... cork base, a fiberboard center core, and a surface layer of cork in a variety of patterns. Like engineered hardwood, cork comes in planks that can be adhered to the subfloor, or in floating tongue-and-groove systems that need adhesive only on the edges. A floating floor can be installed over a less than perfect sub-floor, provided the sub-floor is level. The tongue and groove system uses...
Solid Plank Flooring
...he back of the wood that run the length of each plank, often called 'absorption strips,' that are intended to reduce cupping. Solid wood floors are mostly manufactured .75 inches (19 mm) thick with a tongue-and-groove for installation. ...