Stock forms of timber

• Why is it cost effective to produce designs that incorporate stock forms of timber?

  Because cutting and shaping will be reduced
• What are the stock forms of timber?

  • Regular sections: square and rectangular cross-sections
  • Mouldings: decorative cross-sections
  • Dowels: circular rods of hardwood
  • Sheets: manufactured timber in large sizes with varying thicknesses
• What is a dowel?

  A dowel is a circular rod of close-grained hardwood
• What is the difference between regular sections and mouldings?

  Regular sections are square and rectangular, while mouldings are decorative cross-sections
• What does PAR stand for in timber terminology?

  Planed all round
• What does PSE stand for in timber terminology?

  Planed square edge
• How is the cross-sectional area of timber calculated?

  By multiplying the height by the width of a cross-section
• What are common imperial sizes for timber?

  8" x 4" and 2" x 1"
• What is the diameter of a circle?

  A measurement taken from one side of a circle to the other
• What are the standard sizes of manufactured boards?

  • 2440 mm x 1220 mm
  • 1220 mm x 610 mm
  • Thickness varies from 1 mm to 40 mm
• What is a typical mistake candidates make regarding acronyms like PAR?

  They often get one or more parts wrong
• What is an exam tip regarding stock sizes for timber?

  Know the popular stock sizes for both regular timber and manufactured boards
• How does the stability of manufactured timber compare to natural timber?

  Manufactured timber has greater stability than natural timber