permanent wood joints

• What are the two categories of wood joints?

  Box joints and frame joints
• What are the types of box joints?

  • Butt joint
  • Housing joint
  • Lap joint
  • Dovetail joint
  • Comb joint (finger joint)
• What is a butt joint in woodworking?

  A simple join where edges are glued
• How does a housing joint work?

  One edge slots into a groove in the other
• What characterizes a lap joint?

  One piece fits into an L-shaped shoulder
• What is a dovetail joint known for?

  Its strength and aesthetic appeal
• What is a comb joint also known as?

  Finger joint
• How does a dowel joint reinforce wood joints?

  By inserting a short length of timber into holes
• What is a mortise and tenon joint?

  A strong joint with a square lug and channel
• What is the purpose of a mitre joint?

  To form a 90-degree angle corner
• How does a bridle joint differ from a mortise and tenon joint?

  It is cut into the full width of the timber
• What are the strengths and weaknesses of different wood joints?

  Strengths:

  • Dovetail: very strong and aesthetic
  • Mortise and tenon: very strong
  • Dowel: reinforces joints effectively

  
  

  Weaknesses:

  • Butt: simple but weak
  • Housing: less strong than lap joints
  • Mitre: can be weak without reinforcement