Premanufactured materials with a convex "tongue" on one side and a concave "groove" on the other so that pieces of material can be joined together by placing the tongue of one piece into the groove of an adjacent piece so that the pieces fit more securely together.

In strip, plank and parquet flooring, a tongue is cut on one edge and a groove cut on the opposite edge. As the flooring is installed, the tongue of each strip or unit is interlocked with the groove of the adjacent strip or unit.

A type of siding in which a projecting rib on the edge of one board fits into a groove in the edge of an adjacent board. Tongue and Groove is commonly used for siding and ceilings. See also: Fine Line Vertical Grain Cedar Face View

Boards which have a groove along one edge. They have a matching projection (the tongue) along the other edge, which is fitted into the groove when the boards are fastened into place.

a method by which boards or panels are joined to promote strength. One side of the board or panel has the 'tongue', the other side has the 'groove'. The tongue always fits into the groove and sometimes, when used for flooring and other applications, this joint is glued for added strength.

boards that are milled to have a tongue on one side and a groove or slot on the other, so that pieces will fit together snugly.

A type of flooring where the tongue of one board is joined to the groove of another board.

A joint in which a tongue or tenon in one board fits exactly into a groove in another.

A joinery method where a board has a protruding tongue on one edge and a groove on the other, the tongue of one board fits into the groove of the next.

A joint where a protruding tongue on the edge of one board fits into the recessed groove in the edge of another board.

A style of lumber in which the pieces interlock to form a strong solid formation.

Lumber with a small groove down one side of each board and a protruding piece (tongue) on the other side that fits into the groove when the boards are installed.

Another term for Mortise and Tenon.

A specific joining technique, the groove is cut into one piece of wood. The joint is made when an opposing piece cut with a tongue (a collared protrusion) is slipped into the groove.

Boards or planks that have been finished so that there is a groove on one side of the board and a corresponding tongue on the other edge. When two pieces are placed together the tongue of one fits into the groove of the other forming a natural joint between the two boards. Often used in hardwood flooring and siding. Total rise: The total vertical distance covered by a staircase, measured from the starting floor finish to the destination floor finish. Total run: The total horizontal distance covered by a staircase, measured from the edge of the first step to back edge of the last step.

A projection along the edge of a board inserted into a corresponding groove and fixed with glue and /or a metal pin. Other terms for this type of joint include, DADO and MORTISE AND TENON.

Wood pieces with a tongue and grove joint.

T&G, a wood plank having a groove on one end and projecting tongue on the other end.

Method of fitting wood planks where a protruding edge (tongue) on the side of one plank fits into a small groove on the side of the next plank. Also called dressed and matched.

A type of lumber, metal, or precast concrete having matching or mated edges to provide a tight fit.

Boards that have a groove on one edge and a tongue on the other so that other similar boards can fit into one another along their edges.

Lumber machined to have a groove on one side and and a protruding tongue on the other side so that pieces fit snugly together, with the tongue of one fitting into the groove of the other

Mating groove and tongue milled into the members, generally on the edges to improve alignment and glue surface area.

A joinery method where one board is cut with a protruding "groove" and a matching piece is cut with a matching groove along its edge.

(generally) refers to flooring or lining boards where the tongue of one board is joined to the groove of another board

This refers to a carpentry joint in which the jutting edge of one board fits into the grooved end of a similar board.

Wood pieces that join on their edges, with a groove in one piece and a corresponding tongue on the other to interlock. Commonly used on cabinet doors.

Wood joint, in which a continuos projecting member fits into a similar rabbet or groove.

Often referred to as "DRESSED AND MATCHED". Boards or planks that have been finished so that there is a groove on one side of the board and a corresponding tongue on the other edge. When two pieces are placed together the tongue of one fits into the groove of the other forming a natural joint between the two boards. Often used in hardwood flooring.

Also called dressed and matched, these pieces of wood are made with a tongue milled in one edge and a groove milled into the other so that the tongue of one board fits into the groove on the next one.

Tongue and groove (sometimes T&G) is a method of fitting similar objects together, edge to edge, used mainly with wood: flooring, parquetry, panelling, etc. Before plywood became more common, tongue and groove boards were also used for sheathing buildings and to construct concrete formwork.