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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
The plaster is then mixed with water, stirred and poured into molds to form gypsum blocks with standard formats, either solid, or with round or square open cores to reduce weight and conserve materials. Each block is moulded with tongue and groove at all sides, to enable quick and easy assembly. Still wet, the gypsum blocks are taken out of the ...
Matchboard by definition is "a board with a groove cut along one edge and a tongue along the other so as to fit snugly with the edges of similarly cut boards." [1]Bramble Cottage on Lundy Island, weathered cedar matchboarding in an exposed location
Insulating concrete form or insulated concrete form (ICF) is a system of formwork for reinforced concrete usually made with a rigid thermal insulation that stays in place as a permanent interior and exterior substrate for walls, floors, and roofs.
Also: egg and tongue, egg and anchor, egg and star; Fillet: Small, flat band separating two surfaces, or between the flutes of a column. Fillet is also used on handrail applications when the handrail is "plowed" to accept square shaped balusters. The fillet is used on the bottom side of the handrail between each of the balusters.
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
This canal can be round, oval or an arc in order to receive another component such as a boss, a tongue or a gasket. It can also be on the circumference of a dowel, a bolt, an axle or on the outside or inside of a tube or pipe etc. This canal may receive a circlip, an o-ring, or a gasket.
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 ...