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Useful Decking Terms

Useful Terms that will allow you to understand the planning process with our designers.

  • All-heart grades - Grades of wood which contain no knots or blemishes.
  • Band joists - Joists which form an attractive border or band around the framing joists.
  • Bow - The deviation from straight and true seen when looking at a board on its edge.
  • Construction common - A grade of redwood containing sapwood.
  • Crown - The highest point of a warped board, seen from the board’s side.
  • Cup - The warp of a board seen from the board’s end.
  • Girder - A support member of a deck floor framing system which rests upon the piers. The girder is in a position parallel to the ledger  and supports the opposite end of the joists.
  • HDG (Hot dipped galvanized) - A rustproof coated metal which is less expensive than aluminum or stainless steel.
  • Joists - A system of floor framing commonly using 2 x 6 or 2 x 8 lumber.
  • Ledger - A board of the same size as the joists, attached to a wall, to which the joists are perpendicularly attached.
  • Pier Holes - Holes dug to below frost line and filled with cement for a firm footing to raise foundation piers.
  • Plumb bob - A heavy object suspended on the end of a string for the purpose of establishing a true vertical line.
  • Toe nailing - Nailing at an angle which reduces chances of nails loosening under stress.
  • Torpedo level - A level 8 or 9 inches in length with vials to read level, plumb and 45 degrees.
To learn more about decking, contact Sun Boss and speak to a professional deck designer and installer!