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Tongue and groove joints allow two flat pieces to be joined strongly together to make a single flat surface. Before plywood became common, tongue and groove boards were also used for sheathing buildings and to construct concrete formwork. A strong joint, the tongue and groove joint is widely used for re-entrant angles
Medium-density fibreboard (MDF) is an engineered wood product made by breaking down hardwood or softwood residuals into wood fibre, often in a defibrator, combining it with wax and a resin binder, and forming it into panels by applying high temperature and pressure. [1]
It is an engineered wood from the family of manufactured boards, which include plywood, medium-density fibreboard (MDF), oriented strand board (OSB), and particle board (or chipboard). All plywoods bind resin and wood fibre sheets (cellulose cells are long, strong and thin) to form a composite material. The sheets of wood are stacked such that ...
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). "Click" or Woodloc systems: a number of patented "click" systems now exist.
A flat panel has its visible face flush with the front of the groove in the frame. This gives the panel an inset appearance. This style of panel is commonly made from man-made materials such as MDF or plywood but may also be made from solid wood or tongue and groove planks. Panels made from MDF will be painted to hide their appearance, but ...
the tenon tongue. The tenon, formed on the end of a member generally referred to as a rail, fits into a square or rectangular hole cut into the other, corresponding member. The tenon is cut to fit the mortise hole exactly. It usually has shoulders that seat when the joint fully enters the mortise hole.
Matchboarding can be used both internally and externally, and can be layered in many different styles including: square edge, feather edge, ship lap and tongue and groove. [2] [3] Matchboard was most popular in the late Victorian period, when woodworking machinery had developed that could cut the edge joints quickly and cheaply.
A recess or groove cut parallel to, and at the edge of, a board. rail A horizontal member of a frame on a door, window or panel. Contrast stile. rail and stile See frame and panel. rasp A long and flat steel tool with raised teeth for shaping wood. reed A series of beads arranged in a row. relief cut