Dado (joinery)

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A through dado (left) and a stopped dado

A dado (US and Canada), housing (UK) or trench (Europe) is a slot or trench cut into the surface of a piece of machinable material, usually wood. When viewed in cross-section, a dado has three sides. A dado is cut across, or perpendicular to, the grain and is thus differentiated from a groove which is cut with, or parallel to, the grain.

A through[1] dado involves cuts which run between both edges of the surface, leaving both ends open. A stopped or blind[2] dado ends before one or both of the cuts meets the edge of the surface

Dados are often used to affix shelves to a bookcase carcase. Combined with a rabbet (rebate) on an adjoining piece, they are used to make the rabbet and dado joint, sometimes used in case goods.

See also[edit]

References[edit]

  1. ^ Mortise and Tenon Frame Joints, WoodworkDetails.com
  2. ^ Making Perfect Rabbet and Dado Joints AmericanFurnitureDesgn.com