tle part 4

• Mezzanine floor

  Partial intermediate floor of a building with an area of not more than 1/2
• Span

  The distance between structural supports
• Valley

  The internal angle formed by two slopes of a roof
• Valley jacks

  A rafter that runs from a ridge board to a valley rafter
• Valley rafter

  The diagonal rafter forming the intersection of two sloping roofs
• Load bearing wall

  Walls that support or carry loads as in exterior walls
• Wall bearing

  A type of wall which supports any load other than its own weight
• Non-load bearing wall

  Does not carry or support a load as in partitions or interior walls
• Sill

  A wood member fastened to the beam by anchor bolts. It may also be fastened to a foundation wall