Dictionary of Construction Terminology


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Term Definition
 Normally a 2 X 4 or 2 X 6 that lays horizontally within a framed structure, such as:
  • Sill plate- A horizontal member anchored to a concrete or masonry wall.
  • Sole plate- Bottom horizontal member of a frame wall.
  • Top plate- Top horizontal member of a frame wall supporting ceiling joists, rafters, or other members.